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3 years ago

I’ll give brainliestaction Multiplication and

Mathematics

1 answer:

MatroZZZ [7]3 years ago

4 0

The answer is 15 servings

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If UT is a midsegment of QRS, find SQ<br> A. 8 <br> B. 10 <br> C. 16 <br> D. 20

sladkih [1.3K]

If UT is the midsegment of QRS, then SQ = 2(2x + 2) = 4x + 4
Then,
(3x + 1)/(7x - 1) = (2x + 2)/(4x + 4) = 1/2
2(3x + 1) = 7x - 1
6x + 2 = 7x - 1
7x - 6x = 2 + 1
x = 3

Therefore, SQ = 4(3) + 4 = 12 + 4 = 16.

8 0

3 years ago

What is the sum of the degrees of the interior angles of a 19-gon?

emmasim [6.3K]

Sum of interior angles formula = (n-2) x 180
where n = number of sides

so,
( 19-2 ) x 180
= 17 x 180
= 3060

ans : A

hope it helps :)

7 0

4 years ago

A 98% confidence interval for the mean of a population is to be constructed and must be accurate to within 0.3 unit. A prelimina

BaLLatris [955]

Answer:

$n = (\frac{2.326*1.7}{0.3})^2= 173.73$

And the value for n rounded up would be n = 174

Step-by-step explanation:

We have the following info given:

$s= 1.7$ previous estimation for the deviation

$ME=0.03$ the margin of error desired

$Conf =0.98$ represent the confidence

The Margin of error is given by:

$ME = z_{\alpha/2} \frac{\sigma}{\sqrt{n}}$

If we solve for the value of n we got:

$n= (\frac{z*\sigma}{ME})^2$

For this problem we know that the confidence is 98% so then the significance level would be $\alpha=0.02$ and the critical value would be:

$z_{\alpha/2}= 2.326$

And replacing we got:

$n = (\frac{2.326*1.7}{0.3})^2= 173.73$

And the value for n rounded up would be n = 174

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3 years ago

Which statements must be true about the image of

ivolga24 [154]

Answer: it’s the first one the second one and the last one

Step-by-step explanation:

Just took the quiz

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3 years ago

What is 745,305and in expanded form

Tomtit [17]

7000,000+40,000+5,000+300+0+5

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3 years ago

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