As the given equation is (36)ˣ⁺² = 6 , then the solution for the given equation is x ≈ -1.54.
The given equation in the question is (36)ˣ⁺² = 6
according to the given equation , the goal is to solve the equation for x.
For solving this equation ,
we'll have to use logarithmic operations which is as follows:
log36(6) = x+2.
We will be further using a calculator to determine the logarithmic value: log36(6) ≈ 0.4607.
Now, By subtracting 2 from both sides, we will get the value of x as:
x ≈ -1.54.
When we round off this value to the nearest 100th, we will get -1.54.
Thus , the solution for the given equation is x ≈ -1.54.
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a. From Tammy's results, compute the experimental probability of landing on red or yellow.
b. Assuming that the spinner is fair, compute the theoretical probability of landing on red or yellow.
c. Assuming that the spinner is fair, choose the statement below that is true.
a. As the number of spins increases, we expect the experimental and theoretical probabilities to
become closer, though they might not be equal.
b. As the number of spins increases, we expect the experimental and theoretical probabilities to
become farther apart.
c. The experimental and theoretical probabilities must always be equal.
a) The experimental probability of landing on red or yellow is:
P(red or yellow) = 33/40
b) The theoretical probability can be computed as follows:
P(red or yellow) = 8/10
c) As the number of spins increases: Option A: we expect the experimental and theoretical probabilities to become closer, though they might not be equal.
How to solve Experimental and Theoretical Probability?Theoretical probability represents the likelihood of an event occurring. The theoretical probability of getting heads is 1/2, because we know that the probability of heads and tails on a coin is equal. Experimental probability describes how often an event actually occurred in an experiment.
a) The experimental probability of landing on red or yellow is:
P(red or yellow) = (20/40) + (13/40) = 33/40
b) The theoretical probability can be computed as follows:
P(red or yellow) = (4/10) + (4/10) = 8/10
c) As the number of spins increases, we expect the experimental and theoretical probabilities to become closer, though they might not be equal.
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6 ft
4 ft
1ft
Find the area of
this irregular shape.
a = [?] ft²
4 ft
1ft
12 ft
4 ft
4 ft
The area of the irregular shape is 34 square feet.
What is the area of this irregular shape?To find the area of the irregular shape, we need to break it down into smaller components and calculate their individual areas.
We will assume the irregular shape is composed of three rectangles.
Rectangle 1: Length = 6 ft, Width = 4 ft.
Area = Length × Width
Area = 6 ft × 4 ft
Area = 24 square feet.
Rectangle 2: Length = 4 ft, Width = 1 ft.
Area = Length × Width
Area = 4 ft × 1 ft
Area = 4 square feet.
Rectangle 3: Length = 1 ft, Width = 6 ft.
Area = Length × Width
Area = 1 ft × 6 ft
Area = 6 square feet.
Total Area = Area of Rectangle 1 + Area of Rectangle 2 + Area of Rectangle 3
Total Area = 24 square feet + 4 square feet + 6 square feet
Total Area = 34 square feet.
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Please awnser asap I will brainlist
Answer:
The Answer Will Be 16
Step-by-step explanation:
Beacuse , To Find Number of subsets we can use 2n Where 2 is number can't be changed but n is cardinal number so it's 16
type the whole number 16
Help with these precalc problem
The equation of the lines expressed in point-slope form and the average rate of change of the functions indicates that we get;
(a) y - 6 = (5/3)·(x + 2), (b) y + 7 = 2·(x - 2), (c) y = -4, (d) y = -1(a) 5, (b) 50, (c) h + 7The point-slope form of the equation of a line can be represented in the following form; y - y₁ = m(x - x₁), where; m is the slope of the line and (x₁, y₁) is a point on the line.
1. (a) The slope of the line parallel to the line; 5·x - 3·y = 10, can be obtained by writing the equation of the line in slope-intercept form as follows;
5·x - 3·y = 10, therefore; y = 5·x/3 - 10/3
The slope of the parallel line is therefore; 5/3
The point-slope form of the equation of the line is therefore;
y - 6 = (5/3)·(x - (-2)) = (5/3)·(x + 2)
y - 6 = (5/3)·(x + 2)
3·y - 18 = 5·x + 10
3·y - 5·x = 10 + 18 = 18
(b) The equation of the line, 2·x + 4·y - 12 = 0, indicates;
The slope of the line is; -2/4 = -1/2
The slope of the perpendicular line = -1/(-1/2) = 2
The equation of the perpendicular line passing through the point (2, -7) in point-slope form is therefore;
y - (-7) = 2·(x - 2)
y + 7 = 2·(x - 2)
(c) The line passing through point (-2, -4), and parallel to y = -3 is the line y = -4
(d) The line passing through point (4, -1), and perpendicular to x = 0 is the line y = -1
2. (a) f(-1) = 2 × (-1)² + (-1) - 1 = 0
f(3) = 2 × (3)² + (3) - 1 = 20
The average is; (f(3) - f(-1))/(3 - (-1)) = 20/4 = 5
(b) f(1) = 150, f(3) = 50
Average = (f(3) - f(1))/(3 - 1)
Average = (150 - 50)/(3 - 1) = 50
(c) f(4) = 4² - 4
f(4 + h) = (4 + h)² - (4 + h) = (h + 3)·(h + 4)
Average = (f(4 + h) - f(4))/(4 + h - 4) = ((h + 3)·(h + 4) - (4² - 4))/(h)
((h + 3)·(h + 4) - (4² - 4))/(h) = (h² + 7·h + 12 - 12)/h = h + 7
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A college student realized that he was spending too much money on fast food. For the remaining 5 months of the year his goal is to spend a mean of $50 a month
towards fast food. How much can he spend in December, taking into consideration that in the other 4 months he spent $35, $90, $15, and $60, respectively? Round
your answer to two decimal places, if necessary.
Answer: 50$
Step-by-step explanation:
To calculate the amount the college student can spend on fast food in December, we need to find the total amount he can spend in 5 months, given that he wants to spend an average of $50 per month.
Let's start by finding the total amount he can spend in 5 months:
Total amount = 5 x $50 = $250
Now, we can subtract the amount he spent in the other 4 months from the total amount to find out how much he can spend in December:
The amount he can spend in December = Total amount - Amount spent in 4 months
Amount spent in 4 months = $35 + $90 + $15 + $60 = $200
Amount he can spend in December = $250 - $200 = $50
Therefore, the college student can spend $50 on fast food in December to meet his goal of spending an average of $50 per month on fast food for the remaining 5 months of the year.
Monthly deposits of $480 were made at the end of each month for eight years. If interest is 4.5% compounded semi-annually, what amount can be withdrawn immediately after the last deposit?
The amount that can be withdrawn immediately after the last deposit is approximately $8,876.80.
To solve this problemWe can use the formula for the future value of an ordinary annuity. The formula is given by:
[tex]FV = P * [(1 + r/n)^(^n^t^) - 1] / (r/n)[/tex]
Where
Future value is represented by FVmonthly deposit amount by Pannual interest rate by rnumber of compounding periods by n years by tGiven:
P = $480 (monthly deposit)r = 4.5% = 0.045 (annual interest rate)n = 2 (compounded semi-annually)t = 8 yearsPlugging in the values, we have:
[tex]FV = 480 * [(1 + 0.045/2)^(^2*^8^) - 1] / (0.045/2)[/tex]
Calculating the expression inside the brackets
[tex](1 + 0.045/2)^(^2^*^8^) = 1.0225^1^6[/tex]≈ 1.4197
Substituting this value back into the formula:
FV = 480 * (1.4197 - 1) / (0.045/2)
FV = 480 * 0.4197 / 0.0225
FV ≈ $8,876.80
So, the amount that can be withdrawn immediately after the last deposit is approximately $8,876.80.
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Work out the area of the trapezium below.
20 cm
16 cm
19 cm
10 cm
The area of the trapezium with bases 20cm and 10cm and a height of 16cm is 240 square centimeters.
What is the area of the trapezium?A trapezium is simply a two-dimensional quadrilateral that has one pair of parallel sides.
The area of a trapezium is expressed as:
Area = 1/2 × ( a + b ) × h
Where a and b are the base measure and h is the height.
From the diagram:
Base a = 20 cm
Base b = 10 cm
Height h 16 cm
Area = ?
Plug the values into the above formula and solve for the area:
Area = 1/2 × ( a + b ) × h
Area = 1/2 × ( 20 + 10 ) × 16
Area = 1/2 × ( 30 ) × 16
Area = 15 × 16
Area = 240 cm²
Therefore, the area of the trapezium is 240 square centimeters.
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An open box is made from a 40-cm by 70-cm piece of tin by cutting a square from each corner and folding up the edges. The area of the resulting base is 1984cm Superscript 2. What is the length of the sides of the squares?
To create a box from a flat piece of metal, you typically cut equal-sized squares from each corner, then fold up the sides. This effectively reduces the size of the base of the final box by twice the length of the side of the squares.
The original size of the piece of tin is 40 cm x 70 cm. Let's represent the length of the side of the squares cut from the corners as x (in cm). After the squares are removed, the size of the base of the box will be (40 - 2x) cm by (70 - 2x) cm.
The problem states that the base area of the box is 1984 cm^2. Thus, we can set up the following equation:
(40 - 2x) * (70 - 2x) = 1984.
Expanding this equation gives:
2800 - 140x - 80x + 4x^2 = 1984,
4x^2 - 220x + 2800 = 1984,
4x^2 - 220x + 816 = 0.
Dividing through by 4 gives:
x^2 - 55x + 204 = 0.
This quadratic equation can be solved using the quadratic formula, x = [ -b ± sqrt(b^2 - 4ac) ] / 2a. Here, a = 1, b = -55, and c = 204.
The discriminant, b^2 - 4ac = (-55)^2 - 4*1*204 = 3025 - 816 = 2209.
The square root of 2209 is 47.
Therefore, the solutions for x are:
x = [55 ± 47] / 2
x = 51, 4.
Since the length of the sides of the squares (x) must be less than half the length of the shorter side of the original tin piece (which is 40 cm / 2 = 20 cm), the valid solution is x = 4 cm. Thus, each square cut from the corners is 4 cm on a side.
In this triangle what is the value of x
Answer:
Step-by-step explanation:
error
Answer:
x ≈ 75.2
Step-by-step explanation:
using the tangent ratio in the right triangle
tan62° = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{x}{40}[/tex] ( multiply both sides by 40 )
40 × tan62° = x , then
x ≈ 75.2 ( to the nearest tenth )
Find the product of each pair of complex conjugates.
(3 + 8i)(3 – 8i) =
(4 + 5i)(4 – 5i) =
Answer:
The product of each pair of complex conjugates is:
(3 + 8i)(3 – 8i) = (9 - 8^2) + i(9 + 8^2) = (-81) + i(99) = (-81) + i(11) = (-81) + 11i
And
(4 + 5i)(4 – 5i) = (16 - 25) + i(16 + 25) = (-9) + i(41) = (-9) + 41i
So, the products are:
(-81) + 11i
and
(-9) + 41i
Answer:
73
41
Step-by-step explanation:
Which system of equations is represented by the graph?
PLEASE HELP WILL GIVE THE BRAINLIEST
The system of equations that is represented by the graph include:
D. y = x - 4
[tex]y=\frac{x-4}{x+2}[/tex]
How to determine an equation of this line?In Mathematics and Geometry, the point-slope form of a straight line can be calculated by using the following mathematical equation (formula):
y - y₁ = m(x - x₁)
Where:
x and y represent the data points.m represent the slope.First of all, we would determine the slope of the red line;
Slope (m) = (y₂ - y₁)/(x₂ - x₁)
Slope (m) = (0 + 5)/(4 + 1)
Slope (m) = 5/5
Slope (m) = 1
At point (4, 0) and a slope of 1, a linear equation for C can be calculated by using the point-slope form as follows:
y - y₁ = m(x - x₁)
y - 0 = 1(x - 4)
y = x - 4
Since the rational function has a y-intercept of (0, -2), it would have a vertical asymptote and the denominator would be undefined at x = 2;
[tex]y=\frac{x-4}{x+2}[/tex]
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Missing information:
The question is incomplete and the complete question is shown in the attached picture.
P=x-2 ÷ x+1 for what value of x is P undefined
Answer:
x = - 1
Step-by-step explanation:
P = [tex]\frac{x-2}{x+1}[/tex]
the denominator of the rational function cannot be zero as this would make it undefined. Equating the denominator to zero and solving gives the value that x cannot be.
x + 1 = 0 ( subtract 1 from both sides )
x = - 1
P is undefined when x = - 1
Solve (t-3)^2=6
The arrow is at a height of 48 ft after approx. ___ s and after ___ s.
The arrow is at a height of 48 ft after approx. 3 - √6 s and after 3 + √6 s.
To find the time it takes for the arrow to reach a height of 48 ft, we can use the formula for the height of the arrow:
s = v0t - 16t^2
Here, s represents the height of the arrow, v0 is the initial velocity, and t is the time.
Given that the initial velocity, v0, is 96 ft/s and the height, s, is 48 ft, we can set up the equation:
48 = 96t - 16t^2
Now, let's solve this equation to find the time it takes for the arrow to reach a height of 48 ft.
Rearranging the equation:
16t^2 - 96t + 48 = 0
Dividing the equation by 16 to simplify:
t^2 - 6*t + 3 = 0
We now have a quadratic equation in the form of at^2 + bt + c = 0, where a = 1, b = -6, and c = 3.
Using the quadratic formula:
t = (-b ± √(b^2 - 4ac)) / (2a)
Plugging in the values:
t = (6 ± √((-6)^2 - 413)) / (2*1)
t = (6 ± √(36 - 12)) / 2
t = (6 ± √24) / 2
Simplifying the square root:
t = (6 ± 2√6) / 2
t = 3 ± √6
Therefore, the arrow reaches a height of 48 ft after approximately 3 + √6 seconds and 3 - √6 seconds.
In summary, the arrow takes approximately 3 + √6 seconds and 3 - √6 seconds to reach a height of 48 ft, assuming an initial velocity of 96 ft/s.
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Note the complete question is
The height of an arrow shot upward can be given by the formula s = v0*t - 16*t², where v0 is the initial velocity and t is time.How long does it take for the arrow to reach a height of 48 ft if it has an initial velocity of 96 ft/s?
Solve (t-3)^2=6
The arrow is at a height of 48 ft after approx. ___ s and after ___ s.
Two sides of a triangle have lengths 43 and 67. The angle included between these sides measures 27degrees°. To the nearest hundreth, what is the length of the third side?
The length of the third side of the triangle, to the nearest hundredth, is approximately 54.75 units.
1. We have a triangle with two known side lengths: 43 and 67 units.
2. The angle included between these sides measures 27 degrees.
3. To find the length of the third side, we can use the Law of Cosines, which states that [tex]c^2 = a^2 + b^2[/tex] - 2ab * cos(C), where c is the third side and C is the included angle.
4. Plugging in the known values, we get [tex]c^2 = 43^2 + 67^2[/tex] - 2 * 43 * 67 * cos(27).
5. Evaluating the expression on the right side, we get [tex]c^2[/tex] ≈ 1849 + 4489 - 2 * 43 * 67 * 0.891007.
6. Simplifying further, we have [tex]c^2[/tex] ≈ 6338 - 5156.898.
7. Calculating [tex]c^2[/tex], we find [tex]c^2[/tex] ≈ 1181.102.
8. Finally, taking the square root of [tex]c^2[/tex], we get c ≈ √1181.102 ≈ 34.32.
9. Rounding to the nearest hundredth, the length of the third side is approximately 34.32 units.
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100 Points! Geometry question. Photo attached. Please show as much work as possible. Thank you!
Answer: x=15
Step-by-step explanation:
If JH is a midsegment, then J is the midpoint of LK and H is the midpoint of KM. This also means that triangles JKH and triangles LKM are similar. Since H is the midpoint of KM, assume KM = 2y (KH=y). 30/x=2/1. Thus x=15.
Answer:
x = 15
Step-by-step explanation:
The midsegment of a triangle is a line segment that connects the midpoints of two sides of a triangle.
Therefore, if JH is the midsegment of ΔKLM then JH is parallel to LM, and triangles KJH and KLM are similar: ΔKJH ~ ΔKLM.
In similar triangles, corresponding sides are always in the same ratio.
Since JH is the midsegment of ΔKLM, then KJ is half the length of KL, and KH is half the length of KM. This means that JH is half the length of LM.
Given the measure of LM is 30:
[tex]x=\overline{JH}=\dfrac{30}{2}=15[/tex]
50 Points! Multiple choice geometry question. Photo attached. Thank you!
Answer:
(A) AA similarity
Step-by-step explanation:
In ΔABC,
∠A + ∠B + ∠C = 180
∠A + 27 + 90 = 180
∠A = 180 - 90 - 27
∠A = 63
Comparing ΔABC and ΔMNP,
∠A = ∠M = 63
∠C = ∠P = 90
Therfore, by AA property, the two triangles are similar
The bottle is completely full at 11:40 a.m.
Which statements help explain this result? Check all that apply.
If the bottle is completely full at 11:40 a.m., the statements that help explain this result include:
A) The bottle was 1/2 full at 11:35 a.m. and doubled again after 5 minutes means that at 11:40 a.m. the bottle is completely full.B) The bottle was 1/4 full at 11:30 a.m. and doubled twice after 10 minutes means that at 11:40 a.m. the bottle is completely full.D) Exponential growth involves a constant multiplicative rate of change means that bottle level rises with a constant multiplicative rate of change.What is exponential growth?Exponential growth involves a pattern or process that increases the initial quantity or value over time at a constant rate.
In an exponential growth situation, the rate or speed of growth remains proportional to the initial population.
The reasons for choosing Options A, B, and D follow:
Option A: at 11:35 a.m., the bottle was 1/2 full. If at 11:40 a.m. it is completely full, it implies that it takes 5 minutes to become full (11:40 a.m. - 11:35 a.m.)
Option B: At 11:30 a.m., the bottle was 1/4 full and 10 minutes later, 11:40 a.m. it was full, meaning that it doubled its volume after 10 minutes.
Option D: Exponential growth involves a constant rate of growth and can be expressed as a(1+r)ˣ, where a is the initial value or quantity, r is the growth rate, 1+r is the growth factor,, and x is the exponent in time.
Thus, in this situation, the correct options are A, B, and D.
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Question Completion with Answer Options:A) The bottle was 1/2 full at 11:35 a.m. and doubled again after 5 minutes means that at 11:40 a.m. the bottle is completely full.
B) The bottle was 1/4 full at 11:30 a.m. and doubled twice after 10 minutes means that at 11:40 a.m. the bottle is completely full.
C) The bottle was 1/2 full at 11:35 a.m. and more bacteria were added to fill the bottle means that the bottle is completely full but with bacteria present in it.
D) Exponential growth involves a constant multiplicative rate of change means that bottle level rises with a constant multiplicative rate of change.
E) Exponential growth involves a constant additive rate of change means that bottle level rises with a constant additive rate of change.
A portion of a game board design is shown. Determine the value of x to the nearest tenth.
A)5
B)9
C)13.6
D)20.6
The measure of line segment x in the game board is approximately 13.6.
What is the value of x?The secant-tangent power theorem states that "if a tangent and a secant are drawn from a common external point to a circle, then the product of the length of the secant segment and its external part is equal to the square of the length of the tangent segment.
It is expressed as:
( tangent segment )² = External part of the secant segment × Secant segment.
From the given figure:
Let;
Tangent segment = 12
Secant segment = 7 + x
External part of the secant segment = 7
Plug these values into the above formula and solve for x.
( tangent segment )² = External part of the secant segment × Secant segment.
12² = 7( 7 + x)
144 = 49 + 7x
7x = 144 - 49
7x = 95
x = 95/7
x = 13.6
Therefore, the value of x is approximately 13.6.
Option C) 13.6 is the correct answer.
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Solve for each equation and round to the nearest 100th
Show work
12x =100
Please help I am confused I need help fast
Will give 5 stars
x = 8.33 and the solution to the equation 12x = 100 is x = 8.33 (rounded to the nearest hundredth).
To solve the equation 12x = 100, we need to isolate the variable x. We can do this by dividing both sides of the equation by 12.
12x = 100
Dividing both sides by 12:
(12x)/12 = 100/12
Simplifying:
x = 100/12
Now, let's calculate the value of x.
x = 8.33 (rounded to the nearest hundredth)
Therefore, the solution to the equation 12x = 100 is x = 8.33 (rounded to the nearest hundredth).
Here's the step-by-step solution:
12x = 100 (given equation)
Divide both sides by 12: (12x)/12 = 100/12
Simplify: x = 8.33
Please note that the answer is rounded to the nearest hundredth as requested.
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Please help me understand this
The quadratic function with the solutions given in the problem is defined as follows:
x² + 3x + 3 = 0.
How to solve a quadratic function?The standard definition of a quadratic function is given as follows:
y = ax² + bx + c.
The solutions are given as follows:
[tex]x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}[/tex]
Comparing the standard solution to the solution given in this problem, the parameters a and b are given as follows:
2a = 2 -> a = 1.-b = -3 -> b = 3.The coefficient c is then obtained as follows:
b² - 4ac = -3.
9 - 4c = -3
4c = 12
c = 3.
Hence the function is:
x² + 3x + 3 = 0.
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Related Rates:
Please answer the question pictured.
The value of dy/dt at x= 1 if y = [tex]3x^2[/tex] - 3 and dx/dt = 3 is 18.
To find dy/dt at x = 1, we need to differentiate the given equation y = [tex]3x^2[/tex] - 3 with respect to t and then substitute x = 1 and dx/dt = 3.
Let's begin by differentiating y = [tex]3x^2[/tex]- 3 with respect to t using the chain rule. Since y is a function of x and x is a function of t, we have:
dy/dt = (dy/dx) * (dx/dt)
Given dx/dt = 3, we can rewrite the equation as:
dy/dt = [tex](dy/dx) * 3[/tex]
Now, let's find the derivative of y = [tex]3x^2 - 3[/tex] with respect to x:
dy/dx = d/dx[tex](3x^2 - 3)[/tex]
= 6x
Substituting this back into the equation for dy/dt, we get:
dy/dt = [tex](6x) * 3[/tex]
= 18x
Finally, we can evaluate dy/dt at x = 1:
dy/dt at x = 1 = 18(1)
= 18
Therefore, the value of dy/dt at x = 1 is 18.
It's important to note that the value of dx/dt = 3 was given, and we used it to find dy/dt using the chain rule and the derivative of the equation with respect to x.
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Find the equation for the line tangent of the graph of the function g(x)=7x/x-3 at (6,14)
Answer: y = (-28)x + 14
Step-by-step explanation:
The equation for the line tangent at point (a, b) can be found using the formula y = mx + c, where m is the slope of the line and c is the y-intercept. At point (6, 14), we need to find the value of m.
We start by finding the derivative of the original function g(x). Its derivative is given by:
dg(x)/dx=7/(x^2-3x+1)
Then, substitute x = 6 into the derivative expression to obtain:
dg(6)/dx = d/dx [7 * ln|x-3| ] evaluated at x = 6 = 7/3
Next, evaluate the original function g(x) at x = 6 to get g(6) = 7 * ln |6 - 3| / (6 - 3) = 7 * ln 3.
Since we know the coordinates of the point of tangency (6, 14), we can substitute them into the general form of the linear equation y = mx + c:
14 = 7 * 6 + c
14 = 42 + c
c = -28
The final equation of the line tangent at point (6, 14) is therefore:
y = (-28)x + 14
Which equation is correct?
triangle ACB, angle C is a right angle, angle B measures g degrees, angle A measures h degrees, segment AC measures x, segment CB measures y, and segment AB measures z
sin h° = z ÷ x
sin h° = x ÷ z
cos h° = z ÷ x
cos h° = x ÷ z
The correct equation is sin h° = z ÷ x, which states that the sine of angle A is equal to the ratio of the length of side AB to the length of side AC.
The correct equation relating the angles and segments in triangle ACB depends on the specific trigonometric function and the angle we are considering.
In triangle ACB, angle C is a right angle, which means it measures 90 degrees. The other two angles, angle A and angle B, are complementary angles, meaning their sum is also 90 degrees. Therefore, angle A measures h degrees and angle B measures g degrees, where h + g = 90.
Now let's consider the segments in the triangle. Segment AC measures x, segment CB measures y, and segment AB measures z.
When it comes to trigonometric functions, sine (sin) and cosine (cos) are commonly used. These functions relate the angles and sides of a right triangle.
The correct equation involving the angles and segments can be determined based on the trigonometric function that relates the desired angle to the desired segment.
If we want to relate angle A (measuring h degrees) to the segment AB (measuring z), we can use the sine function. Therefore, the correct equation is:
sin h° = z ÷ x
This equation relates the sine of angle A to the ratio of the lengths of the side opposite angle A (segment AB) and the hypotenuse (segment AC).
In summary, the correct equation is sin h° = z ÷ x, which states that the sine of angle A is equal to the ratio of the length of side AB to the length of side AC.
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The function f(x) = -3(2)²+¹ +90 represents the number of tokens a child has x hours after arriving at an arcade.
What is the practical domain and range of the function?
Enter your answer by filling in the boxes to correctly complete the statements. If necessary, round to the nearest hundrea
The practical domain of the situation is x
Basic
The practical range of the situation is 90
A
O
Answer:
Practical domain: 0 ≤ x ≤ 3.907Practical Range: 0 ≤ y ≤ 84 where y is an integer, so we have the set {0,1,2,...,83,84}The 3.907 is approximate.
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Explanation:
x = number of hours that elapse
y = f(x) = number of tokens
If we use a graphing tool like a TI84 or GeoGebra, then the approximate solution to -3(2)^(x+1) + 90 = 0 is roughly x = 3.907
At around 3.907 hours is when the number of tokens is y = 0. Therefore, this is the approximate upper limit for the domain. The lower limit is x = 0.
The domain spans from x = 0 to roughly x = 3.907, and we shorten that down to 0 ≤ x ≤ 3.907
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Plug in x = 0 to find y = 84. This is the largest value in the range.
The smallest value is y = 0.
The range spans from y = 0 to y = 84, so we get 0 ≤ y ≤ 84
Keep in mind y is the number of tokens. A fractional amount of tokens does not make sense, so we must have y be a whole number 1,2,3,...,83,84.
The x value can be fractional because 3.907 hours for instance is valid.
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Extra info:
The function is decreasing. It goes downhill when moving to the right.The points (0,84) and (1,78) and (2,66) and (3,42) are on this exponential curve.A point like (2,66) means x = 2 and y = 66. It indicates: "after 2 hours, they will have 66 tokens remaining".(a)From Kala's results, compute the experimental probability of rolling an odd number.
(b)Assuming that the cube is fair, compute the theoretical probability of rolling an odd number.
(c)Assuming that the cube is fair, choose the statement below that is true.
1. With a small number of rolls, it is surprising when the experimental probability is much
greater than the theoretical probability.
2. With a small number of rolls, it is not surprising when the experimental probability is much
greater than the theoretical probability.
3. With a small number of rolls, the experimental probability will always be much greater than
the theoretical probability.
(a)The experimental probability of rolling an odd number is 3/5.
(b) The theoretical probability of rolling an odd number is 1/2.
(c)The true statement is:
With a small number of rolls, it is not surprising when the experimental probability is much greater than the theoretical probability.
How to compute the experimental probability of rolling an odd number?Probability is the likelihood of a desired event happening.
Experimental probability is a probability that relies mainly on a series of experiments.
Theoretical probability is the theory behind probability. To find the probability of an event, an experiment is not required. Instead, we should know about the situation to find the probability of an event occurring.
We have:
Kala rolled a number cube 20 times.
(a) From Kala's results, odd number (1, 3 and 5) appearance is:
4 + 4 + 4 = 12
Thus, the experimental probability of rolling an odd number will be:
12/20 = 3/5
(b) If the cube is fair, we have the numbers have equal chance of appearance.
Theoretically, an odd numbers (1, 3 and 5) will have the probability of 3 out of 6 as illustrated with the numbers below:
1, 2, 3, 4, 5, 6
The theoretical probability of rolling an odd number will be:
3/6 = 1/2
(c)The true statement is:
With a small number of rolls, it is not surprising when the experimental probability is much greater than the theoretical probability.
Because when conducting a small number of rolls with a fair cube, the experimental probability may not necessarily align closely with the theoretical probability.
This difference is expected due to the limited sample size. As the number of rolls increases, the experimental probability tends to converge towards the theoretical probability.
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when this net is folded into a cube which two points does point x meet
The points will meet x when it is folded are C or E
A point is a location of an item by taking reference of the origin, in typical case we regard it at (0,0), At the origin value of both the coordinate position is considered to be Zero, In simple words point indicates how much it is above or below the coordinate axes.
The vertical distance from the x axis is referred to as the y coordinate, while the horizontal distance from the x axis is referred to as the x coordinate.
A green colored Net,
After folding x point will meet the points = ?
When we start folding,
First step,
Side ABCD and DEFG will be folded,
C and E will meet with each other
Second Step,
Side ABCD and AGHI will be folded,
B and I will meet with each other
Third step,
Side DEFG and AGHI will be folded,
F and H will meet each other
Fourth step,
Upper portion AHI will cover the upper portion BCF of the box
X will at position of C or E
Hence, the X will meet
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The following question may be like this:
When this net is folded up, which two points meet X?
A business student is interested in estimating the 99% confidence interval for the proportion of students who bring laptops to campus. He wants a precise estimate and is willing to draw a large sample that will keep the sample proportion within five percentage points of the population proportion. What is the minimum sample size required by this student, given that no prior estimate of the population proportion is available? (You may find it useful to reference the z table. Round up final answer to nearest whole number.)
To determine the minimum sample size required to estimate the proportion of students who bring laptops to campus with a 99% confidence level and a margin of error within five percentage points, we can use the formula:
[tex]n = \frac{(Z^2 \times p \times (1 - p))}{ E^2}[/tex]
Where:
n is the required sample size,
Z is the Z-score corresponding to the desired confidence level,
p is the estimated population proportion (since no prior estimate is available, we use 0.5 as a conservative estimate),
E is the margin of error.
For a 99% confidence level, the Z-score is approximately 2.58 (obtained from the z table).
Plugging in the values:
[tex]n = \frac{(2.58^2 \times 0.5 \times (1 - 0.5))} { (0.05^2)}[/tex]
Simplifying the equation:
n = 663.924
Rounding up to the nearest whole number, the minimum sample size required is approximately 664 students.
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The roster method of the set X ∪ (Y ∩ Z) = {p, q, r, s, 21, 22, 23, 25}
How to find sets using roster method?The roster method is defined as a way to show the elements of a set by listing the elements inside of brackets.
A typical example of the roster method is to write the set of numbers from 1 to 5 as {1, 2, 3, 4, 5}.
Therefore,
X = {p, q, r, 21, 22, 23}
Y = {q, s, t, 21, 23, 25}
Z = {q, s, 22, 23, 25}
Therefore, let's find X ∪ (Y ∩ Z) as follows:
(Y ∩ Z) = {q, s, 23, 25}
X = {p, q, r, 21, 22, 23}
Therefore,
X ∪ (Y ∩ Z) = {p, q, r, s, 21, 22, 23, 25}
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The number of subsets in the given set is as follows:
128.
How to obtain the number of subsets in a set?Considering a set with n elements, the number of subsets in the set is the nth power of 2, that is:
[tex]2^n[/tex]
The set in this problem is composed by integers between 2 and 8, hence it has these following elements:
{2, 3, 4, 5, 6, 7, 8}.
The set has four elements, meaning that n = 7, hence the number of subsets is given as follows:
[tex]2^7 = 128[/tex]
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if Ra radius is 10cm , what will be the diameter and the area of the circle
Answer:
Diameter=20 cm, Area=100[tex]\pi[/tex]
Step-by-step explanation:
To find the diamter of a circle (given the radius), you multiply the radius by 2. 10cm*2=20 cm. The area of a circle is the radius squared times pi. 10^2 times pi is equal to 100[tex]\pi[/tex].
