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3 years ago

Find the value of x

Mathematics

1 answer:

frosja888 [35]3 years ago

8 0

Answer:

x=6,1,5 is your answer look it once

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I need help!!!!!!!!!

Sever21 [200]

Answer:

Step-by-step explanation:

6 0

3 years ago

Find the area of each rhombus.<br> d1= 35 m; d2= 12 m<br> A=————— m2

slamgirl [31]

Answer is
210m2
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3 0

2 years ago

Suppose an article reported that 14% of unmarried couples in the United States are mixed racially or ethnically. Consider the po

Anvisha [2.4K]

Answer: $\mu_{\hat{p}}=0.14$ and $\sigma_{\hat{p}}=0.0347$

Step-by-step explanation:

In sampling distribution of $\hat{p}$ .

The mean and standard deviation of the sampling distribution of p is given by :-

$\mu_{\hat{p}}=p$

$\sigma_{\hat{p}}=\sqrt{\dfrac{p(1-p)}{n}}$ , where p= population proportion and n= sample size.

Let p be the population proportion of unmarried couples in the United States are mixed racially or ethnically.

As per given , we have

n = 100

p= 14% =0.14

Then, the mean and standard deviation of the sampling distribution of p will be :

$\mu_{\hat{p}}=0.14$

$\sigma_{\hat{p}}=\sqrt{\dfrac{0.14(1-0.14)}{100}}$

$\sigma_{\hat{p}}=\sqrt{\dfrac{0.14(0.86)}{100}}$

$\sigma_{\hat{p}}=\sqrt{\dfrac{0.1204}{100}}$

$\sigma_{\hat{p}}=\sqrt{0.001204}$

$\sigma_{\hat{p}}=0.0346987031458\approx0.0347$

Hence, the required answer : $\mu_{\hat{p}}=0.14$ and $\sigma_{\hat{p}}=0.0347$

8 0

3 years ago

What would be the logical answer

nekit [7.7K]

Replace the x in the expression by 0 and work it out:-

y-intercept = 2 (0)^2 - 7(0) + 9 = 9

Answer is option (4).

7 0

3 years ago

2•(3 (5+2) - 1) Geometry Math.

bagirrra123 [75]

Answer:

Step-by-step explanation:

2 • (3(5 + 2) - 1) =

Start with the innermost parentheses.

= 2 • (3(7) - 1)

Now do the multiplication inside the parentheses.

= 2 • (21 - 1)

Do the subtraction inside the parentheses.

= 2 • 20

= 40

3 0

3 years ago

Find the value of x ​

Find the value of x