3 years ago

What’s the value of x?

Mathematics

1 answer:

tigry1 [53]3 years ago

7 0

Answer:

x=7

Step-by-step explanation:

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What is the median of the data set?

cluponka [151]

Answer: 85.5

Step-by-step explanation:

There are 22 data points in the data set.

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The 11th score is 85

The 12th score is 86

The average of the two is 85.5

Hence the answer is 85.5

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3 years ago

A text book cost 65.49$ before tax. the tax on the textbook is 6.5%.what is the total cost of the textbook.

trapecia [35]

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sp2606 [1]

Answer:

Step-by-step explanation:

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4 years ago

A couple plans to have two children. What is the probability that they have<br> exactly one boy?

Licemer1 [7]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Which linear equation can be derived from this proportion?

inn [45]

9514 1404 393

Answer:

D. 2x - 6 = 5x - 45

Step-by-step explanation:

To make the linear equation, we can multiply the given equation by 5(x-3).

$\dfrac{x-9}{x-3}=\dfrac{2}{5}\\\\\dfrac{(x-9)(5)(x-3)}{(x-3)}=\dfrac{2(5)(x-3)}{5}\\\\5(x-9)=2(x-3)\qquad\text{looks like }\textit{cross multiply}\\\\5x-45=2x-6\qquad\text{use the distributive property; matches D.}$

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3 years ago