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bezimeni [28]
2 years ago
6

Is y=1/2x-9proportional

Mathematics
2 answers:
Alexandra [31]2 years ago
8 0

Answer:

it is porportional

Step-by-step explanation:

Verizon [17]2 years ago
6 0
It’ equals h=/y8x ok that is simple
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find the total tax deductions for each of the following weekly paychecks. weekly pay $98.00 $240.00 $150.00. FICA(7.65%)
erastovalidia [21]

Answer:

$7.50; $18.36; $11.48

Step-by-step explanation:

FICA = 7.65 %

A. <em>Weekly pay  $98.00 </em>

Tax deduction = 98.00 × 7.65/100

Tax deduction = $7.50

B. <em>Weekly pay  $240.00 </em>

Tax deduction = 240.00 × 7.65/100

Tax deduction = $18.36

C. Weekly pay  $150.00

Tax deduction = 150.00 × 7.65/100

Tax deduction = $11.48

4 0
3 years ago
Read 2 more answers
Find M&lt; NML ANSWER -156 78 162 81​
seraphim [82]

Answer:

156

its 156 owo

brainly?

7 0
2 years ago
The distance between two stars is 9.0 x 10 to the power of -3 light years. A light year is equal to
sergey [27]

Answer:

The distance between the two stars in miles is 5.292 * 10^10 miles

Step-by-step explanation:

Here, we want to make a conversion from light year to miles

To make this conversion, we simply are going to multiply the light year by the miles

Mathematically, we have this as;

9 * 10^-3 * 5.88 * 10^12

= 52.92 * 10^9

= 5.292 * 10^10 miles

6 0
2 years ago
Is a good economist always objective or
Mashutka [201]

anwer

yes good economist is always objective.

3 0
2 years ago
A researcher wants to estimate the percentage of all adults that have used the Internet to seek pre-purchase information in the
Lubov Fominskaja [6]

Answer:

The required sample size for the new study is 801.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

The margin of error is:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

25% of all adults had used the Internet for such a purpose

This means that \pi = 0.25

95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

What is the required sample size for the new study?

This is n for which M = 0.03. So

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.03 = 1.96\sqrt{\frac{0.25*0.75)}{n}}

0.03\sqrt{n} = 1.96\sqrt{0.25*0.75}

\sqrt{n} = \frac{1.96\sqrt{0.25*0.75}}{0.03}

(\sqrt{n})^2 = (\frac{1.96\sqrt{0.25*0.75}}{0.03})^2

n = 800.3

Rounding up:

The required sample size for the new study is 801.

4 0
2 years ago
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