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Veseljchak [2.6K]
2 years ago
11

Mr.Williams' physical education class lasts 7/8 hours. How many minutes are not spent on instructions? playing game:1/2, instruc

tions: 1/5, warm up and cool down:3/10

Mathematics
1 answer:
Olegator [25]2 years ago
8 0

Answer:

I believe the answer is 42 minutes :)

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The larger of two numbers is five more than twice the smaller number. The sum of the two numbers is 38. Find the numbers.
Damm [24]

Answer:

I would set this up as:

let: lesser number = x

     greater number = 2x + 5

Restating the word problem:

lesser number + greater number = 38

        x           +  2x + 5             = 38

Solving:  3x + 5 = 38

                  - 5     -5

             ---------------

              3x      =  33

              ---          ---

               3            3

               x        =  11

Substitution for the greater number:

        2(11) + 5

          22    + 5

              27

8 0
3 years ago
Read 2 more answers
What is the slope of a line that is perpendicular to the line whose equation is 3x+5y=4?
kap26 [50]

Answer:

5/3 or 1.67

Step-by-step explanation:

Find the slope of the original line

3x+5y=4                Subtract 3x from both sides

5y = - 3x + 4           Divide both sides by 5

y = (-3/5)x + 4

The original line has a slope of - 3/5 or - 0.6

Find the slope of the perpendicular line

m1 * m2 = - 1

m1 = - 3/5

m2 = -1/(-3/5)

m2 = 5/3

The slope of the perpendicular line is

5/3 or 1.67

8 0
3 years ago
What is the sum and classifcation of 2/5 + square root of 18
Black_prince [1.1K]
The answer to your question is going to be 65.2
4 0
3 years ago
An automobile's radiator has a capacity of fifteen quarts, and it currently contains twelve quarts of a thirty percent antifreez
Paha777 [63]
[12(.3)+x(1)]/(12+x)=.4

3.6+x=4.8+.4x

.6x=1.2

x=2 qts

(though your radiator would still be short a quart for doing so :) )
4 0
3 years ago
Read 2 more answers
What is the unit rate of 183 miles in 3 hours
HACTEHA [7]

Answer:This is because 183 divided by 3 is 61!

Step-by-step explanation:61:1 or 61 miles per hour! This is because 183 divided by 3 is 61!

6 0
3 years ago
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