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

Answers

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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The sum of two numbers is 17.​The difference of those same two numbers is 3.​​Find the two numbers, and their equations

I don't get 7/8n-3=5/8n+12??

Answers

7/8n - 3 = 5/8n + 12
(7n)/8 - 3 = (5n)/8 + 12
7n - 24 = 5n + 96
7n = 5n + 96 + 24
7n = 5n + 120
7n - 5n = 120
2n = 120
n = 120/2
n = 60

The answer is: n = 60
Hey there, subtract 5/8n from both sides, 7/8n-3-5/8n+12-5/8n=1/4n-3=12, add 3 to both sides, 1/4n-3+3=12+3=1/4n=15, multiply both sides by 4, 4*1/4n=4*15, 4*15=60. So, n=60

Write a decimal that is 1/10 of 3.0

Answers

it would be 3 tenths, or 0.3
0.3.

Because 3 / 10 = 0.3.

Write equations for the horizontal and vertical lines passing through the point (7, -1).horizontal line:


vertical line:

Answers

Check the picture below.

Horizontal line is y=-1
Vertical line is x= 7

The table shows the results of rolling a number cube, with sides labeled 1 through 6, several times. What is the experimental probability of rolling a 1 or a 5?

Express your answer in simplest form.

Outcome 1 2 3 4 5 6
Number of times outcome occurred 10 6 4 8 6 6

Answers


Total number of rolls in the experiment:  (10 + 6 + 4 + 8 + 6 + 6)  = 40 .

Number of times  '1'  or  '5'  came up:  (10 + 6) = 16 .

Experimental probability of  '1'  or  '5'  :   16/40  =  40%
(Could change, and most likely will, in the next experiment.) 

Theoretical probability:  2/6  =  33-1/3 %


Answer:

1/4

Step-by-step explanation:

What integer does 357 need to be divided by to equal -21

Answers

357 needs to be divided by -17 to equal -21.

What is Division?

Division is one type of mathematical operation.

Division consists of four different parts - Divisor, Dividend, Quotient, Remainder.

\mathrm{Dividend=Divisor* Quotient+Remainder}

So here in this problem it is given that,

Quotient = -21

Dividend = 357

Remainder should be 0.

We have to find the divisor for that division.

Let the Divisor be =D, so value of D is to be determined.

By the condition,

357=D*-21+0\n\Rightarrow-21D=357\n\Rightarrow D=(357)/(-21)=-17

So 357 needs to be divided by -17 to equal -21.

Learn more about Division more -

brainly.com/question/1622425

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the answer would be -17. I got this by dividing 375 by -21. i hope this helps!!

The sum of three consecutive even numbers is 156. What is the smallest of the three numbers?​

Answers

Answer:

the correct answer is 51

Step-by-step explanation:

The sum of three consecutive even numbers is 51 .