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3 years ago

Write a system of equations to describe the situation below, solve using any method, and fill in the blanks.

Mathematics

1 answer:

Yanka [14]3 years ago

6 0

Answer:

It will take 1 week for both classmates to catch up with each other
Each child has passed about 9 tests.

Step-by-step explanation:

We know that:

Q = 8 + 1(w)
S = 4 + 5(w)
Q = S

Work:

8 + w = 4 + 5w
=> 8 - 4 = -w + 5w
=> 4 = 4w
=> w = 1

Hence, it will take 1 week for both classmates to catch up with each other. Now, let's substitute the value of w into the first equation to find how many tests have each child passed.

Q = 8 + (w)
=> Q = 8 + 1
=> Q = 9

Hence, each child has passed about 9 tests.

Hoped this helped.

$BrainiacUser1357$

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In a store, 9/200 of the shirts are pink and 69/600 are orange. What percent of the shirts are not pink or orange?

pychu [463]

Answer:

84%

Step-by-step explanation:

The percentage of pink shirts

= 9/200 × 100%

= 9/2

= 4.5%

The percentage of orange shirts

= 69/600 × 100%

= 69/6

= 11.5%

The percentage of the shirts which are not pink or orange

= 1 - 4.5% - 11.5%

= 84%

Alternative

Find their common denominator.

9/200

= 9×3 / 200×3

= 27/600

The total percentage of shirts in pink and orange

= (27/600 + 69/600) × 100%

= 96/600 × 100%

= 16%

The percentage of the shirts which are not pink or orange

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= 84%

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3 years ago

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melomori [17]

Answer:

In a command economy, the government controls major aspects of economic production. The government decides the means of production and owns the industries that produce goods and services for the public

Step-by-step explanation:

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3 years ago

Simplify the expression. Write your answer as a power. 8^10⋅8^4

topjm [15]

8^14 is the answer.

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Pavel [41]

Answer:

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Step-by-step explanation:

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Aleksandr-060686 [28]

Hello!

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As you can see, the greatest number these two have in common is 3.

Now for the next set.

45: 1,45,3,15,5,9

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As you can see, our GCF is 5.

Therefore, our answers are below.

9) 3

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3 years ago

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