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Ostrovityanka [42]
3 years ago
6

Solving a word problem involving rates and time conversion

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
7 0

Answer:

It takes 4.75 hours to travel 247 miles.

Step-by-step explanation:

This question is solved by proportions, using a rule of three.

A car travels at an average speed of 52 miles per hour.

This means that in 1 hour, the car travels 52 miles. How many hours for it to travel 247 miles?

1 h - 52 m

x h - 247 m

Applying cross multiplication

52x = 247

x = \frac{247}{52}

x = 4.75

It takes 4.75 hours to travel 247 miles.

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Describe how the graphs of square root and cube root functions are similar and how they are different.
Molodets [167]

Answer:

Just as the square root is a number that, when squared, gives the radicand, the cube root is a number that, when cubed, gives the radicand. Cubing a number is the same as taking it to the third power: 23 is 2 cubed, so the cube root of 23 is 2.

Step-by-step explanation:

there i hope you understood

5 0
3 years ago
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A frame contains 4 pounds of gold. Suppose gold is worth $1,277 per ounce. How much would the gold in the crown be worth? $5,108
Art [367]

Answer:

5108

Step-by-step explanation:

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3 years ago
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What is 3 5/10 - 4/8 answer quickly please and a explanation
Harrizon [31]
I hope this helps you

7 0
4 years ago
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Raj builds a side table in the shape of a cube. Each edge of the cube measures 21 inches. Raj wants to cover the top and four si
elena-s [515]

Answer: 2000/25 = 80 tiles

Step-by-step explanation:

Date: s=20

equation of surface area of a cube prism: surface area = 6s*2

the surface area to be covered with tiles is requires, the base is not included, so the equation reduces: surface area = 5s*2

subtitute values: surface area = 5(20)*2

= 5(400)

surface area = 2000

area of 2 tile is 5*2 = 25 square inches

2000/25 = 80 tiles

5 0
3 years ago
Distribute and simply 7-2(x-5)+3x
KonstantinChe [14]

The given expression is

7-2(x-5)+3x

First, we use the distributive property to get rid of the parenthesis.

7-2x+10+3x

Then, we reduce like terms. -2x and 3x are like terms, also 7 and 10 are like terms.

3x-2x+10+7=x+17<h2>Therefore, the simplest form of the given expression is <em>x + 17</em>.</h2>
4 0
1 year ago
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