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12345 [234]
2 years ago
14

It takes 8 minutes for Byron to fill the kiddie pool in the backyard using only a handheld hose. When his younger sister is impa

tient, Byron also uses the lawn sprinkler to add water to the pool so it is filled more quickly. If the hose and sprinkler are used together, it takes 5 minutes to fill the pool. Which equation can be used to determine r, the rate in parts per minute, at which the lawn sprinkler would fill the pool if used alone?
A. 5/8 + 5r = 8
B. 5/8 + 5r = 1
C. 5(5/8) = r
D. 5/8 = 5r
Mathematics
2 answers:
Bas_tet [7]2 years ago
9 0
R = rate for the lawn sprinkler

rate of lawn sprinklerand hose would be 5 minutes /r ( rate per minute)

 we would then want to add that to the ratio of the  lawn sprinkler and hose together together which would be 5 minutes for both / 8 minutes for hose
 we want to add those together to equal 100 percent, which can also be written as 1
 so the correct equation would be B) 5/8 + 5/r = 1


QveST [7]2 years ago
5 0

Answer:

B,5/8+5r=8

Step-by-step explanation:

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Write an equivalent expression for n x a using only addition
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Answer:

Equivalent expression for n x a  = a+ a+a+a....n times

Step-by-step explanation:

Given: Expression for n x a .

To find : Write an equivalent expression for n x a using only addition.

Solution : We have given that n x a .

Here, we can say Sum of  a is n times.

We can rewrite it n x a  = a+ a+a+a....n times.

Example : 3 x 2 = 2 +2+ 2.

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Therefore , equivalent expression for n x a  = a+ a+a+a....n times.

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2 years ago
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andreev551 [17]

Answer: $600,600

Step-by-step explanation:

Total handling cost :

Workpiece moved * cost * distance

Work area A :

-, (5 × 22 × 900), (9 × 22 × 900), (7 × 22 × 500)

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Kindly check attached picture for more explanation

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2 years ago
One brand of cookies is sold in three different box sizes: small, medium, and large. The small box has half the volume of the me
lozanna [386]

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a

Step-by-step explanation:

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2 years ago
A standard piece of paper is 0.05 mm thick. Let's imagine taking a piece of paper and folding the paper in half multiple times.
kobusy [5.1K]

Answer:

  g(n) = 0.05·2^n

Step-by-step explanation:

The paper with no folds is 0.05 mm thick. Each fold multiplies the thickness by 2, so the function is ...

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<em>Comment on paper folding</em>

In practice, where the paper must bend around the fold, it is impossible to fold an ordinary piece of paper 9 times. You may be able to fold a very large, very thin piece of paper that many times.

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The temperature in degrees Celsius, c, can be converted to degrees Fahrenheit, f, using the equation f = StartFraction 9 Over 5
slega [8]

Answer:

B

Step-by-step explanation:

This is the answer because a function cannot have an x-value that produces more than one y-value.

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