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OlgaM077 [116]
3 years ago
5

Find the value of x.

Mathematics
1 answer:
Airida [17]3 years ago
5 0

Answer:

x = 10

Step-by-step explanation:

The 2 chords are equal in length so

7x + 5 = 9x - 15

2x = 20

x = 10

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A scale drawing of a school bus has a scale of 2 inches to 5 feet if the length of the school bus is 16 inches on the scale draw
lina2011 [118]

Answer:

40 feet

Step-by-step explanation:

2/5 = 16/x

2x = 80

x = 40

6 0
3 years ago
A certain backpack costs $22, and there is 4% sales tax. What is one way to determine what the amount of sales tax will be? Sele
Mademuasel [1]

Answer:

$0.88

Step-by-step explanation:

cost per 1% = 22 ÷ 100 = 0.22

⇒ cost of 4% = 4 x 0.22 = 0.88

Or

4% = 4/100 = 0.04

⇒ 4% of 22 = 0.04 x 22 = 0.88

Step-by-step explanation:

8 0
3 years ago
In Mr. Kim’s history class, there are sixteen male students and twelve female students. Which of the following expresses the rat
kolbaska11 [484]
The ratio is 12:16, which, when simplified, is 3:4.
For every three girls, there are four boys.
3 0
3 years ago
Wall posters are usually sold curled up in cylindrical cardboard tubes. if the length of the tube is 84.5 cm, and the diameter o
LekaFEV [45]
Length of the cylinder = 84.5 cm
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8 0
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Which expression is equivalent to 4{12 + 5} + 3?
n200080 [17]

Answer:

71

Step-by-step explanation:

3 0
3 years ago
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