The balloon's vertical distance above the ground is given as follows:
h = 10.7 ft.
What are the trigonometric ratios?The three trigonometric ratios are the sine, the cosine and the tangent, and they are defined as follows:
Sine of angle = length of opposite side to the angle divided by the length of the hypotenuse.Cosine of angle = length of adjacent side to the angle divided by the length of the hypotenuse.Tangent of angle = length of opposite side to the angle divided by the length of the adjacent side to the angle.For the angle of 24º, we have that:
The adjacent side is of 24 feet.The opposite side is the height.Hence the height is obtained as follows:
tan(24º) = h/24
h = 24 x tangent of 24 degrees
h = 10.7 ft.
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Correct answer gets brainliest!!!!
A square pyramid has a square base with four vertices, and an additional vertex at the apex of the pyramid, for a total of five vertices or zero-dimensional objects.
Answer:
A.) 5
Points are 0 dimensional objects.
James Bennett also allocates wealth between youth and old age. He has no cash currently (in his youth), but will inherit $3000 in his old age. He can lend and borrow at the bank at 18% (that is, lending $1 in youth will give him $1.18 in old age). He has an investment opportunity that costs $12,000 now in his youth and has a payoff of $15,000 in his old age. This is the only investment opportunity available to him. What is the most he can consume in his youth?
Answer:
To determine the most James Bennett can consume in his youth, we need to find the maximum amount he can borrow from the bank to invest in the opportunity, while still being able to pay back the loan with interest in his old age.
Let x be the amount that James borrows from the bank in his youth. He invests this amount in the opportunity and receives a payoff of $15,000 in his old age. With this payoff, he can pay back the loan plus interest, which is:
Loan + interest = x + 0.18x = 1.18x
So, he needs to have at least $1.18x in his old age to be able to pay back the loan. He will also receive an inheritance of $3000 in his old age, so his total wealth in his old age will be:
Total wealth in old age = $1.18x + $3000
To determine the maximum amount he can consume in his youth, we need to subtract the cost of the investment opportunity and the amount borrowed from the bank from his initial wealth:
Initial wealth = $0 (no cash currently)
Maximum consumption in youth = Initial wealth - Cost of investment - Amount borrowed
Maximum consumption in youth = -$12,000 - x
Since James wants to maximize his consumption in his youth, we need to find the value of x that maximizes the expression -$12,000 - x, subject to the constraint that his total wealth in his old age is at least $1.18x + $3000.
To find this value of x, we can set up the following optimization problem:
Maximize -$12,000 - x
Subject to: $1.18x + $3000 >= $1.18x (i.e., his total wealth in old age is at least $1.18x + $3000)
Simplifying the constraint, we get:
$3000 >= 0
This constraint is always satisfied, so it does not affect the solution. Therefore, we can simply maximize the objective function -$12,000 - x:
d/dx (-$12,000 - x) = -1
Setting the derivative equal to 0 to find the maximum, we get:
-1 = 0
This is never true, so there is no maximum value of -$12,000 - x. This means that James cannot afford to invest in the opportunity and still have a positive wealth in his old age. Therefore, he cannot consume anything in his youth, since he has no cash currently and cannot invest in the opportunity.
Step-by-step explanation:
What is the area of the polygon in square units?
The area of the polygon is 92 units²
What is area of shape?The area of a shape is the space occupied by the boundary of a plane figures like circles, rectangles, and triangles.
The polygon can be divided into two; A trapezoid and a triangle.
Area of a trapezoid = 1/2(a+b) h
= 1/2 ( 8+12) 2
= 8+12
= 20 units²
Area of the triangle = 1/2 bh
= 1/2 × 12 × 12
= 6×12
= 72units²
therefore area of the polygon
= area of trapezoid+ area of triangle
= 20+72 = 92 units²
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Which is different? Find “both” answers.
The volume of the rectangular prism in this problem is given as follows:
84 in³.
How to obtain the volume of a rectangular prism?The volume of a rectangular prism, with dimensions length, width and height, is given by the multiplication of these dimensions, according to the equation presented as follows:
Volume = length x width x height.
The dimensions for the prism in this problem are given as follows:
3 in, 4 in and 7 in.
Hence the volume of the prism is given as follows:
V = 3 x 4 x 7 = 84 in³.
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6. Thurston and Kim continue downloading songs in this manner for 8 weeks. What ordered pair would represent the total number of songs they have each downloaded?
The ordered pair which represents the total number of songs they have each downloaded in 8 weeks is given by (40, 120).
Thurston downloaded 5 songs each week.
He continued downloading songs for 8 weeks in same rate.
So the total number of songs he downloaded for total of 8 weeks = 8*5 = 40 songs.
Kim downloaded 15 songs each week.
She continued downloading songs for 8 weeks in same rate.
So total number of songs she downloaded for total of 8 week = 8*15 = 120 songs.
The required ordered pair = (total number of songs Thurston downloaded for total of 8 weeks, total number of songs Kim downloaded for total of 8 week) = (40, 120).
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The question is incomplete. The complete question will be -
"Thurston downloaded 5 songs each week and Kim downloaded 15 songs each week. Thurston and Kim continue downloading songs in this manner for 8 weeks. What ordered pair would represent the total number of songs they have each downloaded?"
College level Trigonometry any help will do!!
The magnitude of the resultant force is approximately 9.07 lb.
We have,
To use the parallelogram rule to find the magnitude of the resultant force for the two forces, we first draw a diagram:
B (11 lb)
/|
/ |
/ |
/ |
/ |
/ |
/θ |
/ |
A (7 lb) |
\ |
\ |
\ |
\ |
\ |
\ |
\ |
\|
C
where A and B are the magnitudes of the given forces, and θ is the angle between them.
Using the parallelogram rule, we draw a parallelogram with sides AB and BC:
B (11 lb)
/|
/ |
/ |
/ |
/ |
/ |
/θ |
/ |
A (7 lb) D
\ |
\ |
\ |
\ |
\ |
\ |
\ |
\|
C
The diagonal BD represents the magnitude and direction of the resultant force.
To find its magnitude, we use the Law of Cosines:
BD^2 = AB^2 + BC^2 - 2(AB)(BC)cos(θ)
BD^2 = (7 lb)^2 + (11 lb)^2 - 2(7 lb)(11 lb)cos(133 degrees)
BD^2 = 49 + 121 - 2(77)cos(133 degrees)
BD^2 = 170 - 154cos(133 degrees)
BD ≈ 9.07 lb (rounded to two decimal places)
Therefore,
The magnitude of the resultant force is approximately 9.07 lb.
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Which equation can be used to describe the relationship between x and y shown in the graph
below?
Oy=-3x+2
Oy=3x-6
Oy = 3x + 2
Oy=-3x-6
An equation that can be used to describe the relationship between x and y shown in the graph is: B. y = 3x - 6
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 this line;
Slope (m) = (y₂ - y₁)/(x₂ - x₁)
Slope (m) = (6 - 0)/(4 - 2)
Slope (m) = 6/2
Slope (m) = 3
At data point (2, 0) and a slope of 3, a linear equation for this line can be calculated by using the point-slope form as follows:
y - y₁ = m(x - x₁)
y - 0 = 3(x - 2)
y = 3x - 6
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Missing information:
The question is incomplete and the complete question is shown in the attached picture.
Help much needed pls and thank you
The coordinates in polar form are equal to (r, θ) = (8, 11π / 6).
How to transform coordinates in rectangular form into polar form
In this problem we find the definition of a set of coordinates in rectangular form into polar form, that is:
(x, y) → (r, θ)
Where:
x, y - Coordinates in rectangular form.r - Normθ - Direction, in radians.Where the norm and the direction of the point are determined by these equations:
r = √(x² + y²)
θ = tan⁻¹ (y / x)
Finally, we determine the coordinates in polar form:
Norm
r = √[(4√3)² + (- 4)²]
r = √(48 + 16)
r = √64
r = 8
Direction
θ = tan⁻¹ (- 4 / 4√3)
θ = tan⁻¹ (- √3 / 3)
θ = 11π / 6
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Will mark brainliest.
Applying the secant-tangent theorem, the length of the diameter is approximately 13.9.
How to Apply the Secant-Tangent Theorem?Given the image above that shows a circle containing the diameter, assuming the length of the diameter is x, we can create the following equation based on the secant-tangent theorem:
25² = 19(x + 19)
625 = 19x + 361
625 - 361 = 19x + 361 - 361 [subtraction property]
264 = 19x
Divide both sides by 19:
x ≈ 13.9
The diameter is approximately 13.9.
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13) The linear equation in two variables y = 0.10x +175 models the total weekly cost, y, in
dollars, for renting and driving it x miles. The equation indicates that the rental
company charges a fixed amount of $175 for the week plus a cost of $0.10 for each mile
the car is driven. Find the solution of y = 0.10x +175 using 185 for x.
I NEED HELP WITH 5,6,7,8
( 20 ) points
The number of bacteria this morning is 119000 and the surface area of the solid is 25344 square meters
Number of bacteria this morningGiven that
Yesterday = 35000Percentage increase = 240%So, we have
This morning = 35000 * (1 + 240%)
Evaluate
This morning = 119000
The fractional partHere, we have
Fractional part = 28/70
Simplify
Fractional part = 2/5
So, the 28 is 2/5 of 70 as the fractional part
The volume of the solidStart by calculating the base area using
base area = 1/2 * (6 + 10) * 10
base area = 80
So, we have
Volume = base area * height
Volume = 80 * 13
Volume = 1040 cubic cm
The surface area of the solidThis is calculated as
Surface area = bh * (b1 + b2 + b3)l
So, we have
Surface area = 12 * 6 * (10 + 10 + 12) * 11
Evaluate
Surface area = 25344
So, the surface area of the solid is 25344 square meters
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Andre measures the spinner and finds that the B section takes up ¼ of the circle. Explain why none of the methods match this probability exactly.
The reason why none of the methods match the probability of landing on the B section of the spinner exactly is due to various assumptions, limitations, and uncertainties involved in the measurement and calculation process.
We have,
When Andre measures the spinner and finds that the B section takes up 1/4 of the circle, it means that the B section has an angle measure of 90 degrees out of a total of 360 degrees in a circle.
Now, if we try to calculate the probability of landing on the B section using different methods, we might get slightly different results for several reasons.
Firstly,
The probability of landing on a certain section of the spinner depends on the assumption that the spinner is perfectly balanced and that all sections have an equal chance of being landed on.
However,
In reality, the spinner might not be perfectly balanced, or there might be other factors that affect the outcome, such as air resistance or the force with which the spinner is spun.
Secondly,
Different methods of calculating the probability might make different assumptions or use different techniques that can affect the result.
For example, if we use the classical probability approach, we assume that all outcomes are equally likely, but in the case of a spinner, this might not be the case due to factors such as the weight or shape of the sections.
On the other hand, if we use the relative frequency approach, we base the probability on past data or observations, which might not necessarily reflect the current situation or the true underlying probabilities.
Therefore,
While the probability of landing on the B section might be close to 1/4, none of the methods will match this probability exactly due to various assumptions, limitations, and uncertainties involved in the measurement and calculation process.
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C. the colleg the average speed. You make a trip which entrails traveling 900km by train at a speed of 60km/hour, 3000km by boat at an average of 25km/hour, 400km by plane at 350 km/hour and finally 15km by taxi at 25km/hour, what is your average speed for the entire distance?
Answer: To find the average speed, we need to use the formula:
average speed = total distance / total time
We can first calculate the total distance, which is:
total distance = 900 km + 3000 km + 400 km + 15 km = 3315 km
To calculate the total time, we need to find the time taken for each leg of the journey:
time taken for train journey = distance / speed = 900 km / 60 km/hour = 15 hours
time taken for boat journey = distance / speed = 3000 km / 25 km/hour = 120 hours
time taken for plane journey = distance / speed = 400 km / 350 km/hour = 1.14 hours
time taken for taxi journey = distance / speed = 15 km / 25 km/hour = 0.6 hours
Therefore, the total time taken for the entire journey is:
total time = 15 hours + 120 hours + 1.14 hours + 0.6 hours = 137.74 hours
Now we can calculate the average speed:
average speed = total distance / total time = 3315 km / 137.74 hours ≈ 24.05 km/hour
Therefore, the average speed for the entire distance is approximately 24.05 km/hour.
50 Points! Multiple choice algebra question. Photo attached. Thank you!
The solution of the logarithm equation, log₁₄ 144 = 2 is 14² = 144.
How to solve logarithm equation?The logarithm equation can be solved using the law of logarithm. Therefore,
log₁₄ 144 = 2
If you have a single logarithm on one side of the equation, you can express it as an exponential equation and solve it.
Hence,
logₐ b = x can be represented as follows:
aˣ = b
Therefore,
log₁₄ 144 = 2
14² = 144
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URGENT!! ILL GIVE BRAINLIEST! AND 100 POINTS
The equation for the total cost of all adult tickets (a) and student tickets (s).
4a + 2.5s = 2,820
a + s = 900
The number of adults ticket and student tickets is 380 and 520.
We have,
Adults ticket cost = $4
Student ticket cost = $2.5
Now,
Total amount earned = $2,820
The equation for the total cost of all adult tickets (a) and student tickets (s).
4a + 2.5s = 2,820 ______(1)
And,
The number of tickets sold = 900.
We can write as equation as:
a + s = 900 ______(2)
Now,
We have two equations.
4a + 2.5s = 2820
a + s = 900
Solving for s.
s = 900 - a
Substituting in (1)
4a + 2.5(900 - a) = 2820
Simplifying and solving for a.
4a + 2250 - 2.5a = 2820
1.5a = 570
a = 380
Now,
a + s = 900
380 + s = 900
s = 520
Therefore,
The number of adults ticket and student tickets is 380 and 520.
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PLEASE HELP I HAVE IT MARKED 100 POINTS FOR YOU WILL BRAINLIEST
Different sizes of ribbon need to be cut to go around various shapes. All of the following sizes are in inches.
π,√6,2√6,√7
(a) Without using your calculator, approximate the decimal equivalent of each number to the nearest tenth.
(B) Order the ribbon sizes from least to greatest.
pat a
π is approximately 3.1 to the nearest tenth.
√6 is approximately 2.4 to the nearest tenth.
2√6 is approximately 4.8 to the nearest tenth.
√7 is approximately 2.6 to the nearest tenth.
(b)
Ordering from least to greatest:
√6 π √7 2√6What is number approximation?An approximation is described as anything that is similar, but not exactly equal, to something else.
A number can be approximated by rounding off and a calculation can be approximated by rounding the values within it before performing the operations .
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Find the value of x to the nearest tenth
Answer:
Step-by-step explanation:
Answer:
my answer is 23.49
Step-by-step explanation:
you will use sin rule
you can also find the angle for Z because angles in a triangle add up to 180
then use sin rule
25/sin 70=x/sin 62
then substitute for x
Select the correct answer from each drop-down menu.
The number of three-digit numbers with distinct digits that can be formed using the digits 1, 2, 3, 5, 8, and 9 is
both the first digit and the last digit of the three-digit number are even numbers is
Reset
Next
The probability that
The probability of getting a number beginning and ending with even digits is 8/120= 1/15
How to solveThere are six digits to choose from, but you're only taking three at a time, so the number of such numbers is
6 x 5 x 4 = 120
The first and last digits can only be even if the number takes the one of the forms "2 _ 8" or "8 _ 2".
The middle number can be any of the remaining four, so there is a total of eight such numbers.
This means the probability of getting a number beginning and ending with even digits is 8/120= 1/15
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50 points
Barbara Young owes $39,600 on a 6%, 110-day note. On day 75, she pays $11,880 on the note. On day 80, she pays an additional $15,840.
Based on the U.S. Rule, calculate the following. (Use a 360-day year, and round all answers to the nearest cent.)
1. Adjusted balance after the first payment: $
2. Adjusted balance after the second payment: $
3. Balance at maturity: $
Answer:
$13,080.50 + $13,080.50 x 0.06 x 30/360 = $13,393.03
Step-by-step explanation:
Adjusted balance after the first payment: $39,600 + $39,600 x 0.06 x 75/360 - $11,880 = $28,770
Adjusted balance after the second payment: $28,770 + $28,770 x 0.06 x 5/360 - $15,840 = $13,080.50 tell me if it's not clear
Robert’s soccer team needs to be off the soccer field by 12:15pm. Each game is at most 1 3/4 hours long. What time should the game begin to be sure that the team finishes on time?
The requried game should start no later than 10:30 am to ensure that the team finishes on time.
If the game is at most 1 3/4 hours long, then the latest it can end is 1:45 pm (which is 1 hour and 45 minutes after the start time).
If the team needs to be off the field by 12:15 pm, then the latest the game can start is:
12:15 pm - 1 hour and 45 minutes = 10:30 am
Therefore, the game should start no later than 10:30 am to ensure that the team finishes on time.
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The following are the ages of 12 history teachers In a school district 29,30,32,32,39,41,46,49,50,51,52,53 minimum lower quartile median upper quartile maximum and interquartile range
The five-number summary for this data set is 29, 32, 43.5, 50.5, and 53, and the interquartile range is 18.5.
How does interquartile range work?Measures of statistical dispersion, or the spread of the data, include the interquartile range. In addition to the IQR, other names for it include the midspread, middle 50%, fourth spread, and H-spread.
According to the given information:To find the five-number summary and interquartile range for this data set, we first need to find the quartiles.
Step 1: Find the median (Q2)
When a data collection is sorted from least to largest, the median is the midway value. Since there are 12 values in this data set, the median is the average of the sixth and seventh values:
Median (Q2) = (41 + 46)/2 = 43.5
Step 2: Find the lower quartile (Q1)
The lower quartile is the median of the lower half of the data set. Since there are 6 values below the median, we take the median of those values:
Q1 = (32 + 32)/2 = 32
Step 3: Find the upper quartile (Q3)
The upper quartile is the median of the upper half of the data set. Since there are 6 values above the median, we take the median of those values:
Q3 = (50 + 51)/2 = 50.5
Now we have all the information we need to construct the five-number summary and interquartile range:
Minimum: 29
Lower quartile (Q1): 32
Median (Q2): 43.5
Upper quartile (Q3): 50.5
Maximum: 53
Interquartile range (IQR) = Q3 - Q1 = 50.5 - 32 = 18.5
the five-number summary for this data set is 29, 32, 43.5, 50.5, and 53, and the interquartile range is 18.5.
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Find the value of x. Then tell whether the side lengths form a Pythagorean triple.
pt. 2:
Do the following segment lengths form a triangle? If so, is the triangle acute, obtuse, or right?
pls help!!
A Pythagorean triple is a set of values (a,b,c) that satisfies the equation:
a^2 + b^2 = c^2
What is a Pythagorean triple?The Pythagorean theorem asserts that the square of the length of the hypotenuse (the side opposite the right angle) in a right triangle is equal to the sum of the squares of the lengths of the other two sides.
We have that;
x = √2^2 + 5^2
x = 5.4 (Not a Pythagorean triple)
x = √6^2 - 4^2
x = 4.5 (Not a Pythagorean triple)
x = √25^2 - 24^2
x = 7 (Yes, it is a Pythagorean triple)
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A random sample of 10 subjects have weights with a standard deviation of 12.5602 kg. What is the variance of their weights? Be sure to include the appropriate units with the result
The requried, variance of their weights is 157.789 kg².
To calculate the variance, we need to square the standard deviation since variance is the square of the standard deviation. Thus, the variance of the weights of the 10 subjects is:
Variance = (Standard Deviation)² = (12.5602 kg)² = 157.789 kg²
Therefore, the variance of their weights is 157.789 kg².
Note that the units of the variance are the square of the units of the standard deviation.
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NEED HELP ASAP PLS AND THX PIC IS ATTACHED
The measure of the hypotenuse of the right-angle triangle is 53.21 feet.
Given that:
Perpendicular, P = 50 feet
Angle, Ф = 70°
It's a form of a triangle with one 90-degree angle that follows Pythagoras' theorem and can be solved using the trigonometry function.
The measure of the hypotenuse of the right-angle triangle is calculated as,
sinФ = P/H
sin 70° = 50 / x
x = 53.21 feet
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If a bipartite graph has 14 vertices in one part, 10 vertices in the other part, and 70 edges, what is its chromatic number?
The graph has 14 vertices and 10 vertices and 70 edges, but this does not affect the chromatic number, which is 2.
A bipartite graph is a graph whose vertices can be divided into two disjoint and independent sets. In such a graph, it is always possible to color the vertices with two colors such that no two adjacent vertices have the same color. Therefore, the chromatic number of a bipartite graph is always 2.
In this problem, the bipartite graph has 14 vertices in one part and 10 vertices in the other part, which makes a total of 24 vertices. Since the graph has 70 edges, it means that each vertex in one part is connected to exactly 5 vertices in the other part (70/14=5). Similarly, each vertex in the other part is connected to exactly 7 vertices in the first part (70/10=7).
To color this bipartite graph with two colors, we can assign one color to the first set of vertices and the other color to the second set of vertices. This coloring satisfies the condition that no two adjacent vertices have the same color, and therefore, the chromatic number of the graph is 2.
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Find the value of x. Then tell whether the side lengths form a Pythagorean triple.
pt. 2:
Do the following segment lengths form a triangle? If so, is the triangle acute, obtuse, or right?
pls help!!
The answers are explained in the solution.
Given are right triangles, we need to find the missing lengths,
Here we will use Pythagoras theorem,
Hypotenuse² = base² + perpendicular²
1) x² = 5²+2²
x = √25+4
x = √29
2) 6² = x²+4²
x = √36-16
x = √26
3) 25² = x² + √24²
x = √625-576
x = √49
x = 7
Only the 3rd is following the rule of Pythagorean triplet.
Part 2 = The Triangle Inequality :-
The Triangle Inequality (theorem) says that in any triangle, the sum of any two sides must be greater than the third side.
a) 2, 4, 8
2+4 = 6 < 8 [not a triangle]
b) 5, 6, 7
5+6 = 11 > 7
6+7 = 13 > 5
7+5 = 12 > 6
Therefore, it is forming a triangle,
7² = 49
5²+6² = 36+25 = 61
∵ 7² < 5²+6²
Therefore, the triangle is an acute triangle.
c) 6, 8, 15
6 + 8 = 14 < 15 [not a triangle]
d) 9, 12, 15
9 + 12 = 21 > 15
12 + 15 = 27 > 9
15 + 9 = 24 > 12
Therefore, it is forming a triangle,
15² = 225
9²+12² = 81 + 144 = 225
∵ 15² = 9²+12²
Therefore, the triangle is a right triangle.
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Which table represents a linear function? A two column table with five rows. The first column, x, has the entries, 0, 1, 2, 3. The second column, y, has the entries, 1, 2, 4, 8. A two column table with five rows. The first column, x, has the entries, 0, 1, 2, 3. The second column, y, has the entries, 0, 1, 3, 6. A two column table with five rows. The first column, x, has the entries, 0, 1, 2, 3. The second column, y, has the entries, 0, 1, 0, 1. A two column table with five rows. The first column, x, has the entries, 0, 1, 2, 3. The second column, y, has the entries, 1, 3, 5, 7.
Answer:
A linear function is a function that produces a straight line when it is graphed. The equation of a linear function is of the form y = mx + b, where m is the slope and b is the y-intercept.
Looking at the four tables, we can calculate the slopes of the lines that would be produced by each table. The slope is given by the change in y divided by the change in x.
For the first table, the change in y is 1, and the change in x is 1. Therefore, the slope is 1/1 = 1.
For the second table, the change in y is 1, and the change in x is 1. Therefore, the slope is 1/1 = 1.
For the third table, the change in y is 1, and the change in x is 1. Therefore, the slope is 1/1 = 1.
For the fourth table, the change in y is 2, and the change in x is 1. Therefore, the slope is 2/1 = 2.
Only the first three tables have the same slope, which is 1. Therefore, only the first three tables represent a linear function.
The McGee family is looking to rent a large truck for their upcoming move. With Luther's Moving, they would pay $38 for the first day plus $7 per additional day. With Springdale Rent-a-Truck, in comparison, the family would pay $44 for the first day plus $4 per additional day. Before deciding on which company to use, Mrs. McGee wants to find out what number of additional days would make the two choices equivalent with regards to cost. What would the total cost be? How many additional days would that be?
The McGee family would pay _______$ either way if they rented the truck for ____ additional days.
HELPPPP
Answer: The McGee family would pay $52 either way if they rented the truck for 2 additional days.
Step-by-step explanation:
Luther's Moving Company:
38 is how much they'll pay on the first day plus 7 per every additional day
This is represented by 7x+38
Springdale Rent-a-Truck
44 is how much they'll pay on the first day plus 4 per every additional day
This is represented by 4x+44
Set the equations equal to each other
7x+38=4x+44
Move the 38 to the other side by subtracting
7x=4x+44-38
7x=4x+6
Move 4x to the other side by subtracting
7x-4x=6
3x=6
Divide 3 to get x alone
3x/3=6/3
x=2
They'll be equal after 2 additional days
Plug in 2 to each equation
Luther: 7(2)+38
14+38=52
Springdale: 44+4(2)
44+8=52
Janelle and Dante find the surface area of a cylinder. Janelle Find the area of the curved surface A = bh= (8) (18) = 144 ft² Then find the area of each base A = πr² = π(9)² = 254.4 ft² Total surface area = 144 + 2(254.4) 652.8 ft² Dante 8 ft 9 ft Find the area of the curved surface A = Ph= (18T) (8) = 452.4 ft² Then find the area of each base A = πr² = π(9)² = 254.4 ft² Total surface area = 452.4 + 2(254.4) 961.2 ft² A. Is either student correct? Explain. B. Use Appropriate Tools Which method would you use to find the surface area of the cylinder? Is it more efficient than the method used by Janelle and Dante?
15. What integer is missing from the number line below?
The missing integer on the number line below is given as follows:
-7.
How to obtain the missing integer?The missing integer on the number line is obtained applying the proportions in the context of the problem.
The vertical trace is the mean of -10 and -5, hence it is given as follows:
(-10 - 5)/2 = -7.5.
(we obtain the mean of the two numbers as the middle trace is exactly halfway between these two values).
The missing integer on the number line is the integer number exactly to the right(greater) of -7.5, hence it is of:
-7.
(nearest integer that is greater than -7.5).
More can be learned about proportions at https://brainly.com/question/24372153
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