Harold walks 3/4 mile in each 5/6 hour. Calculate Harold's unit rate. Explain how you found your answer.


Answer 1
Answer: To solve this problem, you must apply the proccedure shown below:

 1. The problem gives the following information: Harold walks 3/4 miles in each 5/6 hours. Therefore, you have to divide  3/4 miles by 5/6 hours, as below:

 unit rate=(3/4)(5/6)
 unit rate=(3x6)(4x5)
 unit rate=18/20 

 3. When you simplify, you obtain:

 unit rate=9/10

 4. Therefore, as you can see, the answer is: Harold's unit rate is 9/10.

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i think its 63,64,65. Tell me if I am wrong

Step-by-step explanation:

The area of the quadrilateral shown is 252 square inches. What is the perimeter? (the width is 16.8 inches)

A. 61.8 inches
B. 31.8 inches
C. 63.6 inches
D. 67.2 inches



The answer is 63.6 in^2

Step-by-step explanation:

In order to determine the area of the quadrilateral, we have to know the values of its sides. The area of the quadrilateral is:


a= length of the quadrilateral

b=width of the quadrilateral

We know the area and the width of the quadrilateral, so we can determine its length:


Then, the perimeter of the quadrilateral is:




Finally, the perimeter is 63.6 in^2

C. 63.6 inches

That is because to find the length of the quadrilateral do this since you already know the width of the polygon:

252/16.8 = 15

Now that we know the length do this since this is the formula to find the perimeter or for me I would just 2x:

2(16.8) + 2(15) =

33.6 + 30 = 63.6

The perimeter of the quadrilateral is 63.6 inches

What is 48399 rounded to the nearest 10


round up and in this case it would be 48,400

The answer is 48,400.

Find the first five multiples of 9


The first five multiples of 9 are
9, 18, 27, 36, 45
9 ,18,27,36,45 that's the answer

Which expressions are equivalent to 2^5.2^4? Check all that apply.2^20
2^10 • 2²
2^-2 2^11




Step-by-step explanation:

2^5 * 2^4

The law of exponents says that when the base is same in multiplication, add the exponents.



The answer is 2 to the power of 9.

The answer is 2 to the power out of

Which expression is equivalent to this one?–7(5 + 10)


(–7) • 5 + (–7) • 10


(–7) • 5 + 10

(–7) + 5 + 10


(–7) • 5 • 10


The answer is A. It is Distributive Property I believe