Answer:
t + 5
Step-by-step explanation:
its self explanatory
The point (3,b) lies on the circle with radius 6 and center (-1, -1). What are the possible values of b?
The point (3, b) lies on the circle with radius 6 and center (-1, -1), the possible values of b are 3.47 or -5.47.
What is the equation of a circle?In Mathematics and Geometry, the standard form of the equation of a circle is represented by this mathematical expression;
(x - h)² + (y - k)² = r²
Where:
h and k represents the coordinates at the center of a circle.r represents the radius of a circle.Substituting the given points into the equation of a circle formula, we have the following;
(x - h)² + (y - k)² = r²
(x - (-1))² + (y - (-1))² = 6²
(x + 1)² + (y + 1)² = 36.
Since the point (3, b) lies on the circle, we have;
(3 + 1)² + (b + 1)² = 36.
16 + b² + 2b + 1 = 36
b² + 2b - 19 = 0
By solving the quadratic function, the possible values of b is given by;
x = 3.47 or x = -5.47.
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6th grade math what’s the volume of the tringular prism
The volume of the given triangular prism is 144 cm³.
option A.
What’s the volume of the triangular prism?
The volume of a triangular prism can be calculated by multiplying the area of the base triangle by the height of the prism.
The formula for calculating the volume of a triangular prism is:
Volume = Base Area × Height
Given the base of the triangular prism is a triangle with a base of 8 cm and a height of 3 cm, the area of the base triangle can be calculated as:
Base Area = 0.5 × base × height
Base Area = 0.5 × 8 cm × 3 cm
Base Area = 12 cm²
The volume of a triangular prism is calculated as;
Volume = Base Area × Height
Volume = 12 cm² × 12 cm
Volume = 144 cm³
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Which of the following would you expect not to have a normal distribution?
The delay, measured in minutes, of flights from La Guardia airport.
The weights of eighth grade children in NYC schools
Scores on the NY state English Regents test.
The actual weight of rice in a bag labeled as a 20 pound bag
The actual weight of rice in a bag labeled as a 20 pound bag is expected not to have a normal distribution.
What is normal distribution ?
A normal distribution is a common probability distribution that is bell-shaped and symmetrical around its mean value. In a normal distribution, the mean, median, and mode are all equal, and the distribution is defined by two parameters: its mean and standard deviation.
The actual weight of rice in a bag labeled as a 20 pound bag is expected not to have a normal distribution. This is because the weight of rice in a bag labeled as 20 pounds may vary due to differences in packing and other factors, and is not necessarily a normally distributed variable. The delay of flights, weights of children, and test scores are all examples of variables that may have a normal distribution under certain conditions.
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the value of a companys stock changes at a rate of 7 dollars per day for 8 days. what is the total change in the stocks value after 8 days
The value of stock after 8 days is $20.
Since the unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.
We are given that Price of the stock = $8
The number of days price fall = 8 days
a) the price of the stock changes by = $7x 8
= $56
Price of stock decreased by $56
b) Price of stock after 8 days
= $36 - $56
= $20
Hence, the value of stock after 8 days is equal to $20
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Point P whose coordinates are (-9, 12) has an image of P' (-6, 8) after a dilation centered at the origin. What is the algebraic description of this transformation?
The algebraic description of this transformation is (x, y) = 2/3(x, y)
What is the algebraic description of this transformation?From the question, we have the following parameters that can be used in our computation:
P = (-9. 12)P' = (-6, 8)The scale factor is calculated as
Scale factor = P'/P
Substitute the known values in the above equation, so, we have the following representation
Scale factor = (-6, 8)'/(-9, 12)
Evaluate
Scale factor = 2/3
So, the scale factor is 2/3
This means that the algebraic description is (x, y) = 2/3(x, y)
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Using implicit differentiation, find y'' (second derivative) for (x^4)+(y^4)=16
a.k.a. Find [tex]\frac{d^2y}{dx^2}[/tex] of [tex]x^{4}+y^{4}=16[/tex]
Using implicit differentiation the second derivative is d²y/dx² = [-2x³y² × dy/dx + 2y³x²]/y⁶
How to use implicit differentiation to find the second derivative?Since we have the function x⁴ + y⁴ = 16, we desire to find the second derivative by implicit differentiation. We proceed as follows.
Since
x⁴ + y⁴ = 16
Taking the first derivative of the function, we have that
d(x⁴ + y⁴)/dx = d16/dx
dx⁴/dx + dy⁴/dx = d16/dx
4x³ + 4y³ × dy/dx = 0
4y³ × dy/dx = -4x³
dy/dx = -4x³/4y³
dy/dx = -x³/y³
We now differentiate again to take the second derivative of the function. So, we have that
dy/dx = -x³/y³
Using the quotient rule, we have dy/dx = (udv/dx - vdu/dx)/v² where u = -x³ and v = y³.
So, substituting this into the equation, we have that
d(dy/dx)/dx = (-x³dy³/dx - y³d-x³/dx)/(y³)²
= [-x³dy³/dy × dy/dx - y³d(-x³/dx)]/(y³)²
= [-x³2y² × dy/dx + y³2x²]/(y³)²
d²y/dx² = [-2x³y² × dy/dx + 2y³x²]/y⁶
The second derivative is d²y/dx² = [-2x³y² × dy/dx + 2y³x²]/y⁶
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20 pts
Need help asap
Assuming that x \neq -5, simplify (2x + 10)^4*(x + 5)^3.
Equation (2x + 10)⁴*(x + 5)³ simplifies to 16(x + 5)⁷.
We can simplify this expression by factoring out the common factor of (2x + 10) from the first term and (x + 5) from the second term:
(2x + 10)⁴ × (x + 5)³ = (2(x + 5))⁴ × (x + 5)³
We can simplify the first term by expanding the fourth power:
(2(x + 5))⁴ = 16(x + 5)⁴
Now we have:
(2x + 10)⁴*(x + 5)³ = 16(x + 5)⁴ * (x + 5)^3
We can simplify this expression further by adding the exponents of the common factor (x + 5):
16(x + 5)⁴ * (x + 5)³ = 16(x + 5)⁴⁺³ = 16(x + 5)⁷
Therefore, (2x + 10)⁴*(x + 5)³ simplifies to 16(x + 5)⁷.
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Given question is incomplete, the complete question is below
Assuming that x ≠ -5, simplify (2x + 10)⁴×(x + 5)³.
The beginning of the left edge of the stencil falls at (1, −1). She wants to align an important detail on the left edge of her stencil at (3, 0). She knows this is 1:3 of the way to where she wants the end of the stencil. Where is the end of the stencil located? Group of answer choices (1.5, −0.75) (2.5, −0.25) (6, 2) (9, 3)
The end of the stencil is located at, (x_2,y_2)=(9,3) is the required answer.
How to solveThe given line is divided in the ratio 1:3 and the coordinate of the point P at which the line is divided is (3,0).
The best approach is to use the section formula which relates to the internal division of a line.
Given a line from (x_1,y_1) \: to\: (x_2,y_2) which is divided in the ratio m:n, the coordinates of the point P of division is derived using the formula:
[tex]P(x,y)=\left(\dfrac{mx_2+nx_1}{m+n} ,\dfrac{my_2+ny_1}{m+n}\right)[/tex]
In our given case,
P(x,y)=(3,0)
m:n=1:3
(x_1,y_1) =(1,-1)
Our goal is to determine the end of the stencil (x_2,y_2)
Thus:
[tex](3,0)=left(\dfrac{1x_2+3(1)}{3+1} ,\dfrac{1y_2+3(-1)}{3+1}\right)\\Matching \: coordinates\\dfrac{1x_2+3(1)}{3+1}=3\\x_2+3=3*4\\x_2=12-3=9\dfrac{1y_2+3(-1)}{3+1}=0\y_2-3=0*4\y_2=3+0=3[/tex]
Therefore, the end of the stencil is located at, (x_2,y_2)=(9,3) is the required answer.
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Suppose we want to choose 7 letters, without replacement, from 12 distinct letters. If the oeder of the choices matters, how many ways can this be done
There are 17,297,280 ways to choose 7 letters, without replacement, from 12 distinct letters when the order matters.
What is permutation?
A permutation of 2 lines is a reordering of two distinct elements. In other words, given two elements, a permutation of 2 lines is a way of arranging them in a different order. For example, if the two elements are A and B, the possible permutations of 2 lines are AB and BA.
If the order of the choices matters, we need to use the concept of permutations. The number of ways to choose 7 letters from 12 distinct letters without replacement and with order mattering is given by:
12P7 = 12! / (12-7)!
= 12! / 5!
= 12 x 11 x 10 x 9 x 8 x 7 x 6
= 17,297,280
Therefore, there are 17,297,280 ways to choose 7 letters, without replacement, from 12 distinct letters when the order matters.
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Find all real numbers a that satisfy \frac{1}{64a^3 + 7} - 7 = 0.
After considering the given data we conclude that the the real numbers are a = (-3/4) × (1/∛7), (3/4) ×(1/∛7),
In order to evaluate equations with fraction, we have to follow these steps
1. First Identify the operations that are being applied to the unknown variable.
2. Then Apply the inverse operations, one at a time, to both sides of the equation.
3. Finally write the last answer,
For the given case, we have 1/{64a³ + 7} - 7 = 0. We can evaluate this by first adding 7 to both sides of the equation to get 1/{64a³ + 7} = 7.
Therefore we can take the reciprocal of both sides to get {64a³ + 7} = 1/7. Finally, we can subtract 7 from both sides to get {64a³} = -48/7.
Hence , the real number(s) that satisfy the equation are a = (-3/4) × (1/∛7) , (3/4) ×(1/∛7).
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How many four digit numbers can be formed from the digits 1,3,5,7,8 and 9 where a digit is used at most once?
A.if the numbers must be even?
B.if the numbers are less thsn 3000?
i need detail explanation
Answer:
A. To form an even number, the last digit must be either 8 or 5, since they are the only even digits in the set. Since a digit can be used at most once, there are two choices for the last digit.
For the first digit, there are four choices (1, 3, 5, or 7), since we cannot use 0 or the last digit.
For the second digit, there are four choices remaining (since one digit has been used), and for the third digit, there are three choices left.
Therefore, the total number of four-digit even numbers that can be formed is: 2 x 4 x 4 x 3 = 96.
B. To form a number less than 3000, the first digit must be 1, 3, or 5. There are three choices for the first digit.
For the second digit, there are four choices remaining (since one digit has been used), and for the third digit, there are three choices left.
For the fourth digit, there are two choices remaining (since we cannot use the first digit).
Therefore, the total number of four-digit numbers less than 3000 that can be formed is: 3 x 4 x 3 x 2 = 72.
Please help me with my math homework
The relative frequency table can be completed as follows:
January - June (Men) = 60%
January - June (Women) = 40%
July - December (Men) = 40%
July -December (Women) = 60%
The estimation showed a high degree of nearness to the original values.
How to complete the tableTo complete the frequency table, we will begin by making the estimate as the question instructs. Finally, we will compare the values of the new estimated table with the original table.
The January - June record for men shows a frequency rate of 60% if we do the estimation. With the original figures, the value is 57.1% and this figure is very close to 60%. So, estimates give us a good insight into the correct values of numbers.
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PERSEVERE Refer to the figure. Find the values of x, y, and z. Round to the nearest tenth.
The value of x, y and z in the triangle is 6.0, 8.8 and 12.4 respectively.
What is a triangle?A triangle is a plane shape with three sides.
To calculate the value of x in the triangle above, we use the formula below
Formula:
sinθ = opp/Hyp................. Equation 1Where:
θ = 45°opp = xhyp. = 8.5Substitute these values into equation 1 and solve for x
sin45 = x/8.5x = 8.5×sin45x = 6.0Similarly, to calculate the value of y, we use the formula below
tan∅ = opp./adj...................... equation 2Where:
∅ = 45°opp. = 8.8adj. = ySubstitute these values into equation 2 and solve for y
tan45° = 8.8/yy = 8.8/tan45y = 8.8Also to find the value of z we use the formula below
sin∅ = opp/hyp................. Equation 3Where:
opp = 8.8∅ = 45°hyp = zSubstitute into equation 3 and solve for z
sin45° = 8.8/zz = 8.8/sin45z = 12.4Hence, the values of z is 12.4.
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provide all the steps for my question please
Sketch an angle of 250 in standard position and then identify and draw its reference angle
Check the picture below.
can someone help PLS? its Surface Area of Composite Shapes
The total surface area of the figure is 315π square feet, or approximately 988.8 square feet if we use a value of 3.14 for π.
Given information:
The cylinder is sitting on the base of the cone.
The diameter of the base is 14 feet.
The slant height of the cone is 9 feet and the height of the cylinder is 11 feet.
To find the total surface area of the figure, we need to find the surface area of the cone and the surface area of the cylinder and add them together.
The surface area of the cone:
The radius of the cone is half of the diameter, which is 7 feet.
The lateral surface area of the cone can be found using the formula:
L = πrs, where r is the radius and s is the slant height.
L = π(7)(9) = 63π square feet
The base of the cone is a circle with a radius of 7 feet, so its area is:
A = πr² = π(7²) = 49π square feet
The surface area of a cylinder:
The radius of the cylinder is also 7 feet since it shares the same base as the cone.
The lateral surface area of the cylinder is:
L = 2πrh, where r is the radius and h is the height.
L = 2π(7)(11) = 154π square feet
The base of the cylinder is another circle with a radius of 7 feet, so its area is:
A = πr² = π(7²) = 49π square feet
Total surface area:
Adding the lateral surface area and the base area of the cone and cylinder, we get:
63π + 49π + 154π + 49π = 315π square feet
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Solve the following equation
3x²+x-12
= 1
b
Od
x=-12 x=11
x=4 x=-3
x=12 x=-1
x=3 x=-4
The solutions to the quadratic equation 3x² + x - 12 = 1 are given as follows:
[tex]x = \frac{-1 \pm \sqrt{157}}{12}[/tex]
How to solve the quadratic function?The quadratic function in the context of this problem is defined as follows:
3x² + x - 12 = 1
Placing it into standard format ax² + bx + c = 0, we have that the equation is given as follows:
3x² + x - 13 = 0.
The coefficients are given as follows:
a = 3, b = 1, c = -13.
The discriminant is:
D = b² - 4ac
D = 1² - 4 x 3 x -13
D = 157.
Then the solutions are given as follows:
[tex]x = \frac{-1 \pm \sqrt{157}}{12}[/tex]
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Here are the first 4 terms of a sequence. 3 9 15 21 a) (i) Write down the next term in the sequence. (ii) Explain how you got your answer. b) Work out the 10th term of the sequence.
A sequence is a list of numbers that follow a specific pattern. Each number in the sequence is called a term. Sequences can be finite (meaning they have a specific number of terms) or infinite (meaning they continue without end).
Arithmetic sequences are a type of sequence where each term is found by adding a constant value to the previous term. This constant value is called the common difference, denoted as d. The formula for the nth term (or any term) of an arithmetic sequence is:
an = a1 + (n-1)d
an is the nth term of the sequencea1 is the first term of the sequencen is the position of the term we want to find (e.g. n=5 means we want to find the 5th term)d is the common difference between terms
In other words, we can find any term of an arithmetic sequence by adding the common difference to the previous term.
(i) The next term in the sequence is 27.
(ii) To get this answer, we can see that each term is 6 greater than the previous term
b) To find the tenth term we can write the formula for the nth term of the sequence using the common difference d = 6 and the first term a1 = 3:
an = a1 + (n - 1)d
Substituting n = 10, a1 = 3, and d = 6, we get:
a10 = 3 + (10 - 1)6
a10 = 3 + 54
a10 = 57
Therefore, the 10th term of the sequence is 57
4
Pylhagorean thearem
finding C
a: 2.15
a²+ b² = c²
2.15 + 5.61=C²
Applying the Pythagorean theorem, the value of c is 6.0.
What is a Pythagorean theorem?A Pythagorean theorem is a principle that can be used to determine the unknown side of a given right triangle when the values of its other two sides are given. Pythagorean theorem states:
[tex]Hyp^{2}[/tex] = [tex]Adj^{2} + Opp^{2}[/tex]
So that from the given question, applying the Pythagorean theorem;
[tex]c^{2}[/tex] = [tex]a^{2} + b^{2}[/tex] - 2abCos θ
But, a = 2.15 and b = 5.61
So that;
[tex]c^{2}[/tex] = [tex]2.15^{2}[/tex] + [tex]5.16^{2}[/tex]
= 4.6225 + 31.472
[tex]c^{2}[/tex] = 36.0946
c = [tex]\sqrt{36.0946}[/tex]
= 6.0079
c = 6.0
The value of c is 6.0.
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pls help i sick at midpoint
Answer:
[tex] \frac{ - .8 + .6}{2} = \frac{ - .2}{2} = -.1[/tex]
I need help with this problem if do thank you a lot
Try It
The mapping diagram shows a functional relationship.
Domain
Range
-1
Using Function Notation
cowo!
опто
-1
9
Complete the statement.
f(3) is
The calculated value of the function f(3) in the mapping of ordered pairs is -3
Completing the statement using Function NotationFrom the question, we have the following parameters that can be used in our computation:
The mapping
Where
x = domainy = rangeMapping implies that we pair x values to y values
On the mapping, we have the following representation
3 ---- -1
This means that the value of f(3) = -1
This is true because the x values 3 in the domain points to the y value -1 in the range
Hence, the value of f(3) is -1
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What is an equation of the line tangent to the circle x2+y2=32 at (4, 4)
Answer:
y=x+8
Step-by-step explanation:
The answer is y=x+8
Answer:
Step-by-step explanation:
Center is at (0, 0) for circle you need to find the slope from center to point so that you can find perpendicular slope.
slope = (4-0)/(4-0) =1
the perpendicular slope needs to be flipped and opposite sign
m(tan)= -1 point for tan = (4,4) put in point-slope form
y-4= -1(x-4)
y-4 =-1x+4
y = -x +8
What is the perimeter of kite WXYZ?
W(-3,3)
-5-4-3-2-1
Z(-3,-2)
5
4
لیا
2
1
-2
-5
y
X(2,3)
1 2 3 4 5 X
Y(4-4)
Answer:
Step-by-step explanation:
yes
I REALLY NEED SOME HELP PLSSS
The vocabulary term for segment a is an apothem.
The area of this polygon is 41.6 yd².
How to calculate the area of a regular polygon?In Mathematics and Geometry, the area of a regular polygon can be calculated by using this formula:
Area of regular polygon = (n × s × a)/2
Where:
n represents the number of sides.s represents the side length.a represents the apothem.By substituting the given parameters into the formula for the area of a regular polygon, we have the following:
Area of regular polygon = (6 × 4 × 2√3)/2
Area of regular polygon = (24 × 2√3)/2
Area of regular polygon = 83.1/2
Area of regular polygon = 41.6 yd².
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What is the volume of this rectangular prism?
7 cm
2 cm
2 cm
Answer:
Step-by-step explanation:
28
V=b*w*h
b=2
w=2
h=7
V=2*2*7=28
Answer:
B.28
Step-by-step explanation:
Volumn=Base*Height
=2*2*7
=28
Chad will have new carpet put on the rectangular floors of two rooms in his house. One
floor is 12 feet long, and the other floor is 15 feet long. Each floor has a width of 10
feet.
What is the total area in square feet of the new carpet?
Answer: 270 ft²
Step-by-step explanation:
The dimensions of 1 room is 10 ft x 12 ft
The other room is 10 ft x 15 ft
For area multiply the length and width and add the 2 areas
so A1 = 10x12=120 ft²
A2 = 10x15 =150 ft²
Total area is 150+120 =270 ft²
Trigonometry
Ineach of the questions below, calculate other the missing angle or side stated. Give
your answer correct to 1 decimal place
1)
3)
13cm
39m
38
4cm
10m
14m
6)
140m
9)
5cm
2)
4)
23m
75m
10cm
35"
7)
16m
10)
d
6cm
66°
135m86
15m
Answer: Ans(1)
In right triangle
a = 13cos(56°)
a = 7.3 cm
Ans(2)
In right triangle
b = 6/sin(35°)
Simplify 4 + 10 ÷ (–2). Question 13 options: A) 1 B) –1 C) 7 D)
Answer:
B) -1
Step-by-step explanation:
To answer this question you need to use Pedmas*.
Pembas states:
P - Parenthasess
E - Exponents
D - Divison
M - Multiplication
A - Addition
S - Subtraction
So in this problem, you need to solve the parentheses. In the parentheses there is nothing to solve so we move on to exponents. There are no exponents so we move on to division/multiplication. There is a division symbol so we divide left to right.
After dividing 10 / -2 we get an answer of -5. We can now add 4 + -5 to get our final answer of -1