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xxMikexx [17]
3 years ago
13

Please help solve both due soon

Mathematics
1 answer:
Mariana [72]3 years ago
7 0

Answer:

<u>x</u><u> </u><u>is</u><u> </u><u>7</u>

<u>EF</u><u> </u><u>is</u><u> </u><u>1</u><u>0</u>

<u>FG</u><u> </u><u>is</u><u> </u><u>1</u><u>2</u>

Step-by-step explanation:

EF + FG = EG \\ (4x - 18) + (3x - 9) = 22 \\ 7x - 27 = 22 \\ 7x =  49 \\ x = 7

then substitute:

EF  = 4x - 18 \\ EF  = 4(7) - 18 \\EF = 28 - 18 \\  EF = 10

FG = 3x - 9 \\ FG = 3(7) - 9 \\FG = 21 - 9 \\  FG = 12

<u>F</u><u>i</u><u>r</u><u>s</u><u>t</u><u> </u><u>q</u><u>u</u><u>e</u><u>s</u><u>t</u><u>i</u><u>o</u><u>n</u><u>:</u>

BC + BA = CA

BC = CA - BA

BC = 36 - 9

BC = 27

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For the most recent year available, the mean annual cost to attend a private university in the United States was $20,307. Assume
Maksim231197 [3]

Answer:

27,361.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 20307, \sigma = 4275

Ninety-five percent of all students at private universities pay less than what amount?

This is the 95th percentile, that is, X when Z has a pvalue of 0.95. So X when Z = 1.65.

Z = \frac{X - \mu}{\sigma}

1.65 = \frac{X - 20307}{4275}

X - 20307 = 1.65*4275

X = 27,361

So the answer is 27,361.

7 0
3 years ago
George bought a bag of dog food that was 1/3 pounds. He fed his dog 5 times with this bag of food. How many pounds of food did h
miv72 [106K]

Answer:

\dfrac{5}{3}\ \text{pounds}

Step-by-step explanation:

George bought a bag of dog food that was 1/3 pounds.

George fed his dog 5 times with this bag of food.

We need to find how many pounds of food did the dog eat at each feeding. Let it be x.

x=\dfrac{1}{3}\times 5\\\\x=\dfrac{5}{3}\ \text{pounds}

So, the dog eat \dfrac{5}{3}\ \text{pounds} of food at each feeding.

3 0
3 years ago
Suppose that an object is dropped from a height of
Kamila [148]
Make hours to seconds to match meters
19.6*3600=70560 seconds
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8 0
3 years ago
Solve the following equation:<br> 1-31 x 8 = x<br> X =
Yuki888 [10]

Answer:

The square root of a negative number is not a real number

=

−

9

8

8

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
I need an answer quick. I am trying to finish this fast.
inessss [21]

Answer:

D, m<4 is 137°

Step-by-step explanation:

The answer would be D, because m<4 would be supplementary with the angle that's 43 degrees. Supplementary angles add up to 180, so this could be found through the following equation.

x + 43 = 180

x would represent <4

You would now subtract 43 from both sides.

x = 137

8 0
2 years ago
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