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3 years ago

What is an equation for 14 less than three force of a number is -8.

Mathematics

1 answer:

liubo4ka [24]3 years ago

5 0

$\frac{3}{4} x-14=-8$

Haven't done these in a while but this should be the answer.

Hope this helps!

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Each year, all final year students take a mathematics exam. It is hypothesized that the population mean score for this test is 8

drek231 [11]

Answer:

95% Confidence interval: (96.06,103.94)

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 85

Sample mean, $\bar{x}$ = 100

Sample size, n = 30

Alpha, α = 0.05

Population standard deviation, σ = 11

95% Confidence interval:

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

$100 \pm 1.96(\frac{11}{\sqrt{30}} ) = 100 \pm 3.94= (96.06,103.94)$

(96.06,103.94) is the 95% confidence interval for the population mean test score.

8 0

3 years ago

Which set of ordered pairs represents a function?

ra1l [238]

Answer:

Step-by-step explanation:

the company is it a big company with you in my neighborhood that is a lot more expensive and more expensive to

6 0

3 years ago

What is the relationship between the 6s in 66,0472

vagabundo [1.1K]

They are both in the thousands places

5 0

3 years ago

Gabrielle wants to buy a new pair of jeans. If the jeans were originally $25.00, but are on sale with a 15% discount, how much w

USPshnik [31]

We will use the formula of discount % to find the selling price...!

<em>Complete solution in attachment!</em>

3 0

3 years ago

Can someone pls help me find what is 1/10+12/20?

irga5000 [103]

Answer:

$\frac{7}{10}$

Step-by-step explanation:

$\frac{1}{10}$ can also be written as $\frac{2}{20}$

$\frac{2}{20} +\frac{12}{20} =\frac{14}{20}$

Simply to $\frac{7}{10}$

-OTHER METHOD-

$\frac{12}{20}$ can be simplified to $\frac{6}{10}$

$\frac{1}{10} +\frac{6}{10} =\frac{7}{10}$

7 0

3 years ago

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