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sveta [45]
3 years ago
8

There are

Mathematics
1 answer:
irinina [24]3 years ago
6 0
First take the total of students ( 18 + 22 ) = 40. To calculate the percentage take the total of boys and divide it by the total of 40, and multiply by 100%. That gives 22 : 40 x 100% = 55. So the probability that a boy has the letter is 55%.
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F (x)=4x-7 when f (x)=8
MrRa [10]
Since both are equivalent to f(x), 4x-7 must equal 8
4x-7=8

Add 7 to both sides
4x= 15

Divide both sides by 4
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Final answer: x=15/4
6 0
3 years ago
Elena has chosen carpet that cost 4.55 Per square foot for a regular floor that measures 12 1/2‘ x 14 1/2 how many square feet o
Ad libitum [116K]

Answer:

181 1/4 square feet

Step-by-step explanation:

The square feet of carpet is needed to cover the floor would b equal to the area of the floor

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6 0
2 years ago
Please help me with this question. I will mark brainliest
Hatshy [7]

Answer:

19,350.4 or 19,350 if they want it rounded

Step-by-step explanation:

To find the mean you must add up all the numbers. Then, divode that sum by the amount of numbers you added up.

Explanation:

16,746 + 18,423 + 20,536 + 19,572 + 21,475 = 96,752

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Hope this helps you out!! : )

4 0
3 years ago
6) What is the mystery number?
valkas [14]
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6 0
3 years ago
Read 2 more answers
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Kipish [7]

Answer:

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3x + 7 > 4x + 2 \\ 7 - 2 > 4x - 3x \\ 5 > x

x < 5

6 0
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