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tatyana61 [14]
3 years ago
15

first car consumed 35 gallons of gas the second one consumed 15 gallons of gas. the combined total was 1825 miles. the sum of th

eir eggicenieewas 75 miles per gallon. what were the efficiencies of each car​
Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
3 0

Answer:

use energy effience method

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Write your answer in scientific notation. <br>Look at the picture!
alisha [4.7K]

Answer:

507.3

Step-by-step explanation:

(7.3x10)+(5x10)

evaluate the power

remove the parentheses

(7.3x1)+5x10 to the second power

multiply 7.3+5x100

7.3+500

calculate

there you go.

5 0
3 years ago
I really need Help Please!!!!!!!!
jeyben [28]

Look at the picture.

The equation:

10x - 15 = 6x + 9       <em>add 15 to both sides</em>

10x = 6x + 24      <em>subtract 6x from both sides</em>

4x = 24    <em>divide both sides by 4</em>

<h3>x = 6</h3>

7 0
3 years ago
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liam practiced piano 24 times in 4 weeks. his brother practiced piano 12 times in 14 days. are the rates equivalent?
kolezko [41]
Yes because 24:4 is equal to 12:2
7 0
3 years ago
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The circumference of a circle is 15 centimeters. What is the diameter? Round to the nearest hundredths place.
lesya692 [45]

Answer:

4.77

Step-by-step explanation:

because Circumference can be found with this equation

C = 2piR

we need to plug in 15 for Circumference and solve for its radius or R.

15 = 2piR

15/2pi = R

but we need diameter which is 2R so we just need to multiply the answer by 2.

15/2pi × 2 = Diameter

15/pi = D

approximately = 4.77

6 0
3 years ago
It has rained 3/5 inch in 1/4 hour. If it continues to rain at the same rate,how much rain would fall in an hour
Scorpion4ik [409]

Answer:

2 2/5 inches

Step-by-step explanation:

3/5 x 4

3/5 x 4/1

3/5 x 4/1 = 12/5

12/5 = 2 2/5

5 0
3 years ago
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