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Oduvanchick [21]
3 years ago
8

The perimeter of the school crossing sign is 102 inches. What is the length of each side?

Mathematics
1 answer:
MAVERICK [17]3 years ago
4 0
The perimeter of a shape is the total length of the border of the shape

s + 6 + s + 6 + s + s + 2s = 102
6s + 6 = 102
6s = 102 - 6
6s = 96
s = 96 ÷ 6
s = 16

The length of each side is

s + 6 = 16 + 6 = 22
s + 6 = 16 + 6 = 22
s = 16
s = 16
2s = 2 × 16 = 32
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at a country concert,the ratio of number of the Boys to the number of girls is 2:7 if there are 250 more girls than boys how man
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Answer:

100

Step-by-step explanation:

Ratio is a fraction, so ratio of boys to girls would be written as [let boys be "b" and girls be "g"]:

\frac{b}{g}=\frac{2}{7}

Also, there are 250 more girls than boys, so we can write:

g = 250 + b

Lets substitute this into "g" of the ratio we wrote and cross mulitply and solve for b:

\frac{b}{g}=\frac{2}{7}\\\frac{b}{250+b}=\frac{2}{7}\\7b=2(250+b)\\7b=500+2b\\5b=500\\b=\frac{500}{5}=100

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3 0
3 years ago
A chair’s regular price is $349. It is on clearance for 30% off, and a customer uses a
Hunter-Best [27]

Answer:

$207.66

Step-by-step explanation:

349x.7=244.3

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Rounded to the nearest 100th

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7 0
3 years ago
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kompoz [17]

Answer:

6.4

Step-by-step explanation:

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The area of a square piece of land is 784metersquared .What is the perimeter​
Marta_Voda [28]

Answer:

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Step-by-step explanation:

The area (A) of a square is

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Here A = 784 , then

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Then

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D is the answer.
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4 0
3 years ago
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