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Julli [10]
3 years ago
9

Nancy walked 516 yards in 6 minutes and then another 368 yards in 4 minutes. What was Nancy's average speed? * A. 89 yd/min B. 8

9.4 yd/min C. 88.4 yd/min D. 178 yd/min
Mathematics
1 answer:
Rina8888 [55]3 years ago
7 0
Average speed = (total distance covered) / (time to cover the whole distance)
 
Total distance = (516 + 368) = 884 yards
Total time  = (6 + 4) = 10 minutes  

Average speed = (884 yards) / (10 minutes)

Average speed = 88.4 yards/minute  (C)


Other ways to write the same speed:

-- 4.42 feet/second
-- 265.2 feet/minute
-- 53.04 inches/second
-- 5,304 yards/hour
-- 3.014 mph (rounded)
-- 810.07 furlong/fortnight
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A tractor-trailer travels 205.296 miles in 3.12 hours . What is the speed at which the tractor-trailer in traveling?
jolli1 [7]

Answer:

i think 66.5 miles per hour

Step-by-step explanation:

4 0
2 years ago
Find the coordinates of the point where the line <img src="https://tex.z-dn.net/?f=y%3D5x%2B7%5C%5C" id="TexFormula1" title="y=5
Anvisha [2.4K]

Answer:

(0, 7)

Step-by-step explanation:

The point that crosses the y-axis is called the y-intercept of the line.

We are given an equation of the line and we need to determine the y-intercept. This can be done by determining the constant in the equation.

What are constants?

Constants are such terms that include only numbers. There should be no variables in constants.

<u>We know that:</u>

     \bullet \ \text{Given equation of line: y = 5x + 7}

The constant we can see in the equation is "7". Therefore, the y-intercept is 7.

Note: The y-intercept of the line must have an x-coordinate of 0.

<u>Therefore,</u>

⇒ Coordinates of y-intercept: (x, y) ==> (0, 7).

7 0
2 years ago
The capacity of a small children’s swimming pool is 106 gallons of water. There are currently 15 gallons of water in the pool. Y
Evgen [1.6K]

Answer:

1. y=2x+15

2. 45.5 min

Step-by-step explanation:

1. You find 2x by looking at the give rate of gallons (2) a min (x). This information is given in the word problem. This gives the equation of y=2x. But you already have 15 gallons in the pool, so you need to add the +15 at the end of the equation giving you y=2x+15.

2. Y is the total gallons. This is 106 gallons (given in the word problem). We are trying to solve for x (# of minutes to fill the pool). 106=2x+15. subtract 15 from both sides giving 91=2x. Divide both sides by 2 giving x=45.5. It will take 45.5 minutes to fill up the pool.

3 0
2 years ago
PLEASE NEED ANSWER FAST
ahrayia [7]

c or d for sure hope this helps

5 0
1 year ago
What is the approximate volume of a cylinder with a height of 2 ft and a radius of 6 ft?
Ulleksa [173]
In order to do this find the area of either the base or the top it doesn't matter they're the same (thats just the area of one of the circles) then multiply that by the height so the answer is 226.08
4 0
3 years ago
Read 2 more answers
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