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3 years ago

7

Need help pls , 20 points no links or else I will report

2 answers:

Nesterboy [21]3 years ago

8 0

Answer:

18² + (3/4x)² = x²
18² = x² - 9/16x²
18² = 7/16x²
x² = 16*18²/7
x = 72/√7
x ≈ 54.42

uysha [10]3 years ago

7 0

Answer:

x=72

Step-by-step explanation:

x=3/4x+18

4(x=3/4+18)

4x=3x+72

x=72

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6) What is the mean (average) of this set of data: 3 4 6 7 10 15 19 21

Natali5045456 [20]

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Step-by-step explanation:

Mean can be described as the average of a sum of numbers, it can be calculated by sum ing all the numbers together and then diving by the total

The mean of the set of numbers shown in the question above can be calculated as follows

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