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AlexFokin [52]
2 years ago
8

Help me plz I need help

Mathematics
1 answer:
makkiz [27]2 years ago
8 0

Answer:

x = 14°

Step-by-step explanation:

x + 76° = 90°

or, x = 90° - 76°

so, x = 14°

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PLEASE HELP LOOK AT THE PICTURE
hammer [34]

Answer:

x = 10

Step-by-step explanation:

-8(-3 + x) = -56

Distribute the -8 into the (-3 + x).

24 - 8x = -56

Subtract 24 from both sides.

-8x = -80

Divide both sides by -8.

x = 10.

Proof:

-8(-3 + x) = -56

Substitute variable.

-8(-3 + 10) = -56

Add inside parenthesis.

-8(7) = -56

Multiply.

-56 = -56

4 0
2 years ago
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Help its math again i forgot how to do it theres 2​
Scilla [17]

Answer:

first is 6/8 and second is 7/8

Step-by-step explanation:

5 0
2 years ago
The mean annual tuition and fees for a sample of 15 private colleges was with a standard deviation of . A dotplot shows that it
Fudgin [204]

Answer:

Step-by-step explanation:

The question is incomplete. The complete question is:

The mean annual tuition and fees for a sample of 15 private colleges was $35,500 with a standard deviation of $6500. A dotplot shows that it is reasonable to assume that the population is approximately normal. You wish to test whether the mean tuition and fees for private colleges is different from $32,500. State the null and alternate hypotheses. A) H0: 4 = 32,500, H:4=35,500 C) H: 4 = 35,500, H7:35,500 B) H: 4 = 32,500, H : 4 # 32,500 D) H0:41 # 32,500, H : 4 = 32,500

Solution

We would set up the hypothesis test. This is a test of a single population mean since we are dealing with mean

For the null hypothesis,

H0: µ = 32500

For the alternative hypothesis,

Ha: µ ≠ 32500

This is a two tailed test.

Since the number of samples is small and the population standard deviation is not given, the distribution is a student's t.

Since n = 15,

Degrees of freedom, df = n - 1 = 15 - 1 = 14

t = (x - µ)/(s/√n)

Where

x = sample mean = 35500

µ = population mean = 32500

s = samples standard deviation = 6500

t = (35500 - 32500)/(6500/√15) = 1.79

We would determine the p value using the t test calculator. It becomes

p = 0.095

Assuming alpha = 0.05

Since alpha, 0.05 < than the p value, 0.095, then we would fail to reject the null hypothesis.

7 0
3 years ago
Find the midpoint of AB: A(3,-8) B(-15,-8)
Pavlova-9 [17]

Answer:

C (-6,-8)

good luck buddie

3 0
3 years ago
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How are liquid assets different from other assets?What is the main difference in the way that "earned income" and "capital gains
BabaBlast [244]

Answer: All assets represent money, but only liquid assets can be easily turned into spendable money.

Earned income is money you received for a job performed and capital gains are profits from investments.

Step-by-step explanation: Because this is the definition of liquid assets: A liquid asset is cash on hand or an asset that can be readily converted to cash. An asset that can readily be converted into cash is similar to cash itself because the asset can be sold with little impact on its value.

-Earned income refers to salary, bonuses, commissions, tips that you receive because of a job that you have done from an employer or your business.

-Capital gains  refer to money that you receive because of the sale of a capital asset like stocks or real estate.

7 0
2 years ago
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