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xz_007 [3.2K]
2 years ago
8

tom and tammy race cross country on motor bikes to drive 450 miles in 9 hours. Tammy took 7 1/2 hours to travel the same distanc

e as tom compute the unit rate that describes toms average driving speed and tammy's average driving speed show how your decisions below
Mathematics
1 answer:
Scilla [17]2 years ago
7 0

Answer:

50 and 60 mph respectively

Step-by-step explanation:

Step one:

given data

total distance= 450 miles

time take= 9 hours

Required

Tom and Tammy's average speed

Step two:

Tom's average speed= 450/9

= 50 miles per hours

Tammy's average speed= 450/7.5

= 60 miles per hours

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bija089 [108]

Answer:

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Step-by-step explanation:

To find the value of x, create a proportion. A proportion is two equal ratios for similar figures. The two triangles are similar because they are the same shape but not the same size. Create ratios between corresponding sides of figures.

\frac{x+8}{10}=\frac{2x-5}{14}

To solve for x, cross multiply:

(x+8)(14) = (10)(2x-5)

14x + 112 = 20x -50

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3 years ago
What is the volume of this cone?
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142=10x+8x+2. Please show steps as well.​
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Answer:

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