Mrs.simpson drove 105 miles in 2 1/2 hours. what was mrs.simpsons speed in miles per hour

Answers

Answer 1

Answer:

The required, Mrs. Simpson's speed was 42 miles per hour.

What is speed?

Speed is defined as when an object is in motion, the distance covered by that object per unit of time is called speed.

Here,
To find the speed (or velocity) in miles per hour, we need to divide the distance traveled (in miles) by the time taken (in hours).

Mrs. Simpson drove 105 miles in 2 1/2 hours, which can be written as:

Time taken = 2.5 hours

Distance traveled = 105 miles

Speed = Distance / Time

Speed = 105 miles / 2.5 hours

To divide 105 by 2.5, we can convert the mixed number 2 1/2 to an improper fraction:

2 1/2 = 5/2

Then we can divide:

Speed = 105 miles / (5/2) hours

Speed = 105 miles * (2/5) hours

Speed = 42 miles/hour

Therefore, Mrs. Simpson's speed was 42 miles per hour.

Learn more about speed here:
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Answer 2

Answer: First, divide 105 (miles) by 2.5 (hours)

$105/2.5=42$

Mrs.Simpsons drove at a rate of 42 miles per hour.

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Answers

Answer:

Step-by-step explanation:

8(1/4) is 2 bc 1/4 of 8 is 2

2-1=.5(10)

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An airplane flies at 250mph.how far will it travel in 5h at that rate of speed?

Answers

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Third hour . . . . 250 miles
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Write 240 and 1500 as products of their prime factor

Answers

Answer:

$240=2^4* 3* 5$

$1500=2^2* 3* 5^3$

Step-by-step explanation:

To find : Write 240 and 1500 as products of their prime factor ?

Solution :

We factor the number by dividing the least prime numbers,

2 | 240

2 | 120

2 | 60

2 | 30

3 | 15

5 | 5

| 1

So, $240=2* 2* 2* 2* 3* 5$

or $240=2^4* 3* 5$

2 | 1500

2 | 750

3 | 375

5 | 125

5 | 25

5 | 5

| 1

So, $1500=2* 2* 3* 5* 5* 5$

or $1500=2^2* 3* 5^3$

240 = 2 × 120
120 = 2 × 60
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30 = 2 × 15
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The 2, 2, 2, 2, 3 and 5 are all the prime factors of 240. So, 2^4 × 3 × 5

1500 = 3 × 500
500 = 5 × 100
100 = 5 × 20
20= 5 × 4
4 = 2 × 2
The 3, 5, 5, 5, 2 and 2 are all the prime factors of 1500. So, 2² + 3 + 5³

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