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4 years ago

Given AABC ADEF, AB = 4x-1, FD = 7, and DE = 8x-33.

Mathematics

1 answer:

Nataliya [291]4 years ago

8 0

Answer: x=8 and DE=31

Step-by-step explanation:

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22, 23, 23, 24, 20, 8 What is the most appropriate measure of center?

blondinia [14]

Answer:

In this data set, the number 8 is an outlier.

An outlier is a value that is far away from the rest of the numbers (either a lot smaller or a lot greater).

Because there is an outlier, the measure of center that best represents the data would be the median (the middle value).

The mean will not be accurate because the outlier will make it smaller than what is actually being represented in all of the numbers but one.

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4 years ago

Before the industrial revolution in 1800 the concentration of carbon in Earth’s atmo- sphere was 280 ppm. The concentration in 2

slega [8]

Answer: There is increase of 4.255 in the amount of carbon in the atmosphere.

Step-by-step explanation:

Since we have given that

Concentration of carbon in Earth's atmosphere in 1800 = 280 ppm

Concentration of carbon in Earth's atmosphere in 2015 = 399 ppm

We need to find the percentage increase in the amount of carbon in the atmosphere.

So, Difference = 399-280 = 119 ppm

so, percentage increase in the amount of carbon is given by

$\dfrac{Difference}{Original}\times 100\\\\=\dfrac{119}{280}\times 100\\\\=\dfrac{11900}{280}\\\\=42.5\%$

Hence, there is increase of 4.255 in the amount of carbon in the atmosphere.

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3 years ago

How much does Kelly make an hour if she worked 35 hours and made $323.75 this week?

Dvinal [7]

Answer: $9.25 an hour

Step-by-step explanation:

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3 years ago

Solve by the quadratic formula. a) 5 b) -1 c) 1 d) -1/2 e) 4

stepan [7]

Answer:

I hope this helps a little bit.

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3 years ago

Read 2 more answers

Please help. Algebra.

ladessa [460]

The answer is 1 bc the solution is (1,-3)

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3 years ago