on her way to visit her parents jennifer drives 265 miles in 5 hours. What is her average rate of speed in miles per hour?

Answers

Answer 1

Answer:

Answer:

Her average rate of speed is 53 mph.

Step-by-step explanation:

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Which is bigger: 3/8 or 7/20
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A biology experiment calls for 10 milliliters of water. How much water does the experiment call for in centiliters? A) 1 B) 10 C) 100 D) 1000
Heyyy can you pls help me? thank you!!!!!!A right rectangular prism has a length of 5.1 feet , a width of 6 feet, and a height of 9.4 feet. What is the volume of the prism? Enter your answer as a number only; no units. Do not round your answer.
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a rectangle is 8 inches long and 4 inches wide a similar rectangle is 12 inches what is the width of the second triangle to the nearest inch?

Answers

The first rectangle: width/length=4/8, simplify it to get 1/2 The second rectangle: Width/length=?/12 Use proportion: 1/2= 6/12 So the wide of the second rectangle is 6

2.7 Because the first rectangles area is 32 and the second rectangle has a base of 12. So you need to multiply something with 12 to get a close answer to 32.And that close number is 2.7

Which inequality is graphed on the number line shown? A.

x > –3

B.

x ≤ –3

C.

x < –3

D.

x ≥ –3

Answers

The graph is to the left of -3, so it's < or ≤.
The circle is filled in so -3 also satisfies the inequality, so it's ≤.
The answer is B. x≤-3.

Answer:

The answer is B. x≤-3.

Step-by-step explanation:

The graph is to the left of -3, so it's < or ≤.

The circle is filled in so -3 also satisfies the inequality, so it's ≤.

hope i helped

A cyclist rode 1 mile at full speed in 3 minutes with the wind and returned in 4 minutes against the wind, again pedaling at full speed. Find his speed without the wind. ("Challenge" question)

Answers

so 1 mile per 3 minute or
1 times 20=20
3 times 20=60

20 miles in 60 minutes or
20 miles per hour

20 mph with wind

4 mins agains the wind
multiply 15
15 miles per hour agains the wind

so d=st

distances are the same
d=st
20mph with the wind
20=wind+real speed

15mph agains the wind
15=real speed-wind

20=w+rs
15=-w+rs
add together
35=2(rs)
divide 2
real speed=17.5

two cars travel in opposite directions, starting from the same place at the same time. One travels at an average rate of 48 miles per hour and the other averaged at 55 miles per hour. in how many hours will the be 618 miles apart?

Answers

so in 1 hour they will be 48+55=103 miles apart
how many hours will it be in 618
103 times x hours=618
divide both sides by 103
x=618/103
x=6

the answer is 6 hours

A right rectangle prism has a length of 2 1/2 feet, a width of 3 feet, and a height of 1 1/2 feet. Unit cubes with side lengths of 1/2 foot are added to completely fill the prism with no space remaining. What is the volume, in cubic feet, of the right rectangular prism? How many 1/2 foot unit cubes can be added to fill the prism completely?

Answers

Answer:

Volume = 11 1/4 feet cubed

90 cubes can be added to fill the prism.

Step-by-step explanation:

(L)(W)(H) = volume

(2 1/2)(3)(1 1/2) = 11 1/4 ft cubed

1 cube is 1/2 a foot so 2 1/2 ft is 5 cubes, 3 ft is 6 cubes, and 1 1/2 ft is 3 cubes.

(5)(6)(3) = 90 cubes

Nancy can drive her car 35 miles in one gallon of gas her gas tank can hold 12 gallons of gas how many miles can Nancy drive on a full tank of gas

Answers

35+35+35+35+35+35+35+35+35+35+35+35
Or
35×12
=420

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Romero is saving to buy and Apex model 12 computer. the lowest price that romero can find is $1,250. romero now has $825. his grandmother is going to give him another $200. show your work by writing an inequality to help you find how much more money romero needs.plz I really need help with this!