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Furkat [3]
2 years ago
12

What percentage of the whole school are 7th grade students? Round to the nearest tenth of a

Mathematics
1 answer:
11111nata11111 [884]2 years ago
6 0

Answer:

How many kids are there in the whole school and how many are seventh graders? This question is not complete. Please complete it thank you.

Step-by-step explanation:

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Find f(-5) if f(x) = X + 11.
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Answer:

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Step-by-step explanation:

f(x) = x + 11

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Read 2 more answers
Three times as many children as adults attended a concert on Saturday. An adult ticket cost $7 and a child’s ticket cost $3. The
Ierofanga [76]

For this case we propose a system of equations:

x: Let the variable representing the number of children in the concert

y: Let the variable representing the number of adults at the concert

According to the assistance we have:

x = 3y

According to the cost we have:

3x + 7y = 6000

Substituting the first in the second equation we have:

3 (3y) + 7y = 6000\\9y + 7y = 6000\\16y = 6000\\y = \frac {6000} {16}\\y = 375

Thus, the concert was 375 adults.

On the other hand we have:

x = 3 (375) = 1125

Thus, the concert was 1125 children.

In total they were:

375 + 1125 = 1500 people

ANswer:

The concert was 1500 people

3 0
3 years ago
How to find the area
WARRIOR [948]
L + W 
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example:   L = 10"  W = 20"     10 x 20 = 200
6 0
2 years ago
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