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arlik [135]
3 years ago
10

Please help. Show work please

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
6 0
3{[9(x - 2) + 7] - 2[4(x + 5) - 36]}

= 3[9x - 18 + 7 - 2(4x + 20 - 36)]

= 3(9x - 11 - 8x - 40 + 72)

= 3(x + 21)

= 3x + 63
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Find the absolute value.<br>|-89= 0<br><br><br><br><br><br><br>please help thank you​
lukranit [14]

the answer is 89

Step-by-step explanation:

it does not matter if the number is negative the absolute value is the number inside the lines

6 0
3 years ago
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In a prior sample of U.S. adults, the Center for Disease Control (CDC), found that 8% of the people in this sample had pinworm b
kow [346]

Answer: a) 453  b) 1537

Step-by-step explanation:

As per given , we have

Margin of error : E= 0.025

Critical value for 95% confidence interval : z_{\alpha/2}=1.96

a) The prior estimate of population proportion : p=0.08

Required sample size :-

n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2\\\\=0.08(1-0.08)(\dfrac{1.96}{0.025})^2\\\\=452.386816\approx453

The minimum sample size is 453 U.S. adults.

b) Since the prior estimate of population proportion is not available , so we take p= 0.5

Required sample size :-

n=0.5(1-0.5)(\dfrac{z_{\alpha/2}}{E})^2\\\\=0.25(\dfrac{1.96}{0.025})^2\\\\=1536.64\approx1537

The minimum sample size is 1537 U.S. adults.

5 0
4 years ago
Describe the end behavior of the function
aliya0001 [1]

652/0762

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Step-by-step explanation:

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4 0
3 years ago
Please help with this question!
wlad13 [49]

Answer:

Below

Step-by-step explanation:

900 + 20 + 5

So, 6 x 900 + 6 x 20 + 6 x 5

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You had gotten it right before you erased it.

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olga_2 [115]

Answer:

£32 and £32

Step-by-step explanation:

The computation of the amount that should be left and equally distributed is shown below:

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So, the remaining amount left is

= £84 - £20

= £64

Now this amount should be equally distributed between them i.e. £32 and £32

3 0
3 years ago
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