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4 years ago

X divided by 7 - 5 = 2 x/7 - 5 = 2

Mathematics

1 answer:

Black_prince [1.1K]4 years ago

4 0

Answer:

x=4

Step-by-step explanation:

Multiply by 2 from both sides of equation.

2x/7-5=2*2

Simplify, to find the answer.

2*2=4

x=4 is the correct answer.

I hope this helps you, and have a wonderful day!

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Use the sample data and confidence level to construct the confidence interval estimate of the population proportion p. n=500, x=

DiKsa [7]

Answer:

0.3581<x<0.4429

Step-by-step explanation:

Using the formula for calculating the confidence interval of the population proportion p expressed as:

Confidence interval = p ± Z * √p(1-p)/n

p is the population proportion = x/n

p = 200/500

p = 0.4

Z is the z-score at 95% CI = 1.96

n is the sample size = 500

Substituting the given parameters into the formula we will have;

Confidence interval = 0.4 ± 1.96 * √p(1-p)/n

Confidence interval = 0.4 ± 1.96 * √0.4(0.6)/500

Confidence interval = 0.4 ± 1.96 * √0.24/500

Confidence interval = 0.4 ± 1.96 * √0.00048

Confidence interval = 0.4 ± 1.96 * 0.0219

Confidence interval = 0.4±0.04294

Confidence interval = (0.3571, 0.4429)

Hence the confidence interval of the population mean is 0.3581<x<0.4429

5 0

3 years ago

What is the total value of the digit 5 in the number 57,634

melomori [17]

Hey there!

$\bold{57,634}$

$\bold{5:}$ $\bold{ten}$ $\bold{thousands}$
$\bold{7:}$ $\bold{thousands}$
$\bold{6:}$ $\bold{hundreds}$
$\bold{3:}$ $\bold{tens}$
$\bold{4:}$ $\bold{ones}$
$\boxed{\boxed{\bold{Answer:ten-thousand(s)}}}$

Good luck on your assignment and enjoy your day!

~ $\bold{LoveYourselfFirst:)}$

3 0

3 years ago

Read 2 more answers

Can someone please check my answers

nekit [7.7K]

They are both correct

5 0

3 years ago

Which values represent solutions to cos

shepuryov [24]

Answer:

C option

Step-by-step explanation:

C is the correct solution of to above equation

4 0

3 years ago

Ok how is every ones day ok what is 12345 times 23456=

lutik1710 [3]

The answer is 289,564,320. Have a nice day and Happy Holidays

8 0

3 years ago