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nevsk [136]
3 years ago
15

Joseph plots the speed of his car and time on a scatter plot. The equation for the line of best fit on his scatter plot is y = -

15x + 60, where x is the time in hours and y is the speed in miles/hour. Which statement describes the situation correctly?
Mathematics
1 answer:
slavikrds [6]3 years ago
6 0

Answer:

15x + 60y

Step-by-step explanation:

It just seem right cause u didn't give us a lot of information to find out

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1. A cyclist travels 56 miles in 4 hours. What is the cyclist's speed in feet per MINUTE?
fomenos

Answer: 20.5 feet per second

Step-by-step explanation:

8 0
3 years ago
A persons bill at a restaurant is $42.75. Estimate the amount of a 15% tip
Alina [70]

$6.41

Step-by-step explanation:

$42.75 x 15% (which is .15) = $6.41 is the tip

7 0
3 years ago
Samantha has 42 coins consisting of quarters and nickels, which total $5.70. How many of each does she have?
Effectus [21]

Answer- 22 quarters and 4 nickels

Step-by-step explanation: their is a lot of ways to go about this this is just the way I splited this up;)

3 0
2 years ago
Read 2 more answers
Find the surface area of the figure.
guajiro [1.7K]

<u>Given</u>:

Given that the radius of the cylinder is 6 m.

The height of the cylinder is 7 m.

We need to determine the surface area of the cylinder.

<u>Surface area of the cylinder:</u>

The surface area of the cylinder can be determined using the formula,

SA=2 \pi r(r+h)

where r is the radius and h is the height of the cylinder.

Substituting r = 6 and h = 7 in the above formula, we get;

SA=2 (3.14)(6)(6+7)

Simplifying, we get;

SA=2 (3.14)(6)(13)

Multiplying, we get;

SA=489.84 \ m^2

Thus, the surface area of the cylinder is 489.84 square meters.

Hence, Option a is the correct answer.

4 0
3 years ago
ABC = EDF. Determine the value of x.
astra-53 [7]

Answer:

The correct answer here is A. x = 17.

How I found this out:

3x + 3 and 5x - 7 are going to be different solutions in the end.  

I did the process of elimination.

First, I subsituted, 17 for x. 3 X 17 + 3 = 54. 5 X 17 - 7 = 78.

I then took 180 - 54 - 48 = 78 and 180 - 78 - 48 = 54, just to make sure they are positive numbers and not negative.

Since they work out, I chose this as my correct answer to your question.  

Step-by-step explanation:

Hope this helps! :)

I tried my best so I'm it's wrong.

8 0
3 years ago
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