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Lerok [7]
3 years ago
13

A group of 25 people are going to run a race. The top 8 finishers advance to the finals.

Mathematics
1 answer:
Zigmanuir [339]3 years ago
6 0
What’s the question
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What is the value of the expression shown below 10+(2x3)^2 divided by 4x (1/2)^3
stira [4]

Answer:

10 + (2 x 3)^2 / 4 x (1/2) ^3

First do the parentheses

2 x 3 = 6

1 / 2 = 0.5

We are left with

10 + 6^2 /4 x 0.5^3

Do exponents

6 x 6 = 36

0.5 x 0.5 x 0.5 = 0.125

10 + 36 / 4 x 0.125

Divide by 4 and multiply by 0.125

36 / 4 = 9

9 x 0.125 = 1.125

We are left with

10 + 1.125 = 11.125

The answer is 11.125

Step-by-step explanation:

7 0
3 years ago
A rectangular carpet has a perimeter of 194 inches. The length of the carpet is 67 inches more than the width. What are the dime
sammy [17]

Answer:

The dimensions of the carpet are 15 inches and 82 inches

Step-by-step explanation:

Assume that the width of the carpet is x inches

∵ The width of the carpet is x inches

∵ The length of the carpet is 67 inches more than the width

∴ The length of the carpet is (x + 67) inches

∵ The perimeter of the rectangle = 2(length + width)

∵ The perimeter of the carpet = 194 inches

→ Equate the two right sides of the perimeter

∴ 2(length + width) = 194

→ Divide both sides by 2

∴ length + width = 97

→ Substitute the value of the length and width in the equation above

∵ x + 67 + x = 97

→ Add the like terms in the left side

∴ (x + x) + 67 = 97

∴ 2x + 67 = 97

→ Subtract 67 from both sides

∵ 2x + 67 - 67 = 97 - 67

∴ 2x = 30

→ Divide both sides by 2

∴ x = 15

∵ x represents the width of the carpet

∴ The width of the carpet is 15 inches

∵ The length of the carpet = 15 + 67

∴ The length of the carpet is 82 inches

∴ The dimensions of the carpet are 15 inches and 82 inches

3 0
3 years ago
Let f(x) = 4x – 3 and g(x)=x^2+3x Find g(x) – f(x).
ludmilkaskok [199]
First example, are those the only equations given?
7 0
3 years ago
Read 2 more answers
By lunch time, Penelope's mom completed 40% of her to-do list. If she completed 6 tasks, how many total tasks does she have on h
sammy [17]
She has 15 things on her to do list. Hope this helps!

8 0
2 years ago
Read 2 more answers
What do I do to get the answer and explain step by step!
abruzzese [7]

Answer:24

Step-by-step explanation: 1/6 multaplication. if you multiply 1/6 1 at a time, it increases 1/6 by 1/6 more. If we do this 24 times, we get 4. i know its complicated, but i tried explaining it in my own way. Hope it helps!

7 0
2 years ago
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