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Nezavi [6.7K]
2 years ago
15

X - 4 = 10 A) x = 3 B) x = 6 C) x = 12 D) x = 14

Mathematics
2 answers:
hjlf2 years ago
7 0

x=14


Add 4 to both sides to isolate x

Tanzania [10]2 years ago
3 0

Answer:

D) x = 14

Step-by-step explanation:

X - 4 = 10

Add 4 to each side

x-4+4 = 10+4

x = 14

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1 year ago
A midwestern music competition awarded 38 ribbons. The number of blue ribbons awarded was 1 less than the number of white ribbon
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2 years ago
Throughout the 2016 Presidential election primaries, Millennials (those aged 20 t 36 years) consistently supported Senator Berni
Dmitrij [34]

Answer:

The 90% confidence interval for the support of Sanders by millenials is between 53% and 57%.

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Step-by-step explanation:

In this question we have to calculate a confidence interval (90% CI) on the proportion of millenials that had a favorable opinion on Sanders.

The sample size is n=1,754.

The p-hat, taken from the poll, is

\hat{p}=0.55

The estimated standard deviation is equal to:

\sigma_p=\sqrt{\frac{p(1-p)}{N}}=\sqrt{\frac{0.55*0.45}{1754}}=0.012

For a 90% CI, the z-value is z=1.645.

Then, the confidence interval is

\hat{p}-z*\sigma_p\leq p\leq\hat{p}-z*\sigma_p\\\\0.55-1.645*0.012\leq p\leq 0.55-1.645*0.012\\\\0.55-0.02 \leq p \leq 0.55+0.02\\\\0.53 \leq p \leq 0.57

6 0
2 years ago
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Bus Bs route times will be:

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8 0
1 year ago
Round to the nearest tenth.<br> 4.8367
kakasveta [241]

Answer:

Number = 4.8367

Rounded to the nearest tenth means, rounded to the number after the decimal point.

We will have to round down because the hundredth is less than 5

So, we get,

4.8367 becomes, 4.8

Therefore 4.8367 rounded to the nearest tenth = 4.8

If my answer helped, kindly mark me as the Brainliest!!

Thank You!

5 0
1 year ago
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