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miss Akunina [59]
3 years ago
11

27 × 8 ÷ 2 = ??? Step by step

Mathematics
1 answer:
vfiekz [6]3 years ago
8 0

Answer:

108

Step-by-step explanation:

multiply 27 x 8

27x8=216

divide 216/2

= 108

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Katrina wants to estimate the proportion of adults who read at least 10 books last year. to do​ so, she obtains a simple random
Vaselesa [24]
E=Z*sqrt (p(1-p)/N), where E= error margin, p=proportion, N=sample size

Katrina's margin error at 85% confidence interval: E=1.96*sqrt (p(1-p)/100) = 0.196 sqrt (1(1-p))

Mathew's margin error at 99% confidence interval: E= 2.58*sqrt (p(1-p)/400) = 0.129 sqrt (p(1-p))

Since both obtained same estimate of proportion (that is, value of p), it can be seen that Mathew's estimate will have a small error (That is, 0.129 is smaller than 0.196). This can be attributed to larger sample size although a wider confidence (99%) interval was considered.
3 0
3 years ago
the coordinates of a line segment are (1,6) and (11, -4). what is the length of the line segment? round your answer to the neare
ddd [48]
The length of the line segment AB where A(x_A;\ y_A) and B(x_B;\ y_B)

|AB|=\sqrt{(x_B-x_A)^2+(y_B-y_A)^2}

We have: A(1;\ 6);\ B(11;-4)

subtitute

|AB|=\sqrt{(1-11)^2+(6-(-4))^2}=\sqrt{(-10)^2+10^2}=\sqrt{100+100}\\\\=\sqrt{100\cdot2}=\sqrt{100}\cdot\sqrt2=10\sqrt2\approx14.1

Answer: b. 14.1
3 0
3 years ago
What is the volume of this figure?<br><br> Enter your answer in the box.<br><br> yd³
tia_tia [17]

Answer:

4095

Step-by-step explanation:

This Is for the 4.07 K-12 Quiz! <3

6 0
2 years ago
The Parent Association (PA) is ordering caramel apples.
harina [27]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
Read 2 more answers
Solve the equation, 4 - (x + 1) = 6.​
elena-14-01-66 [18.8K]

Answer:

x = - 3

Step-by-step explanation:

4 - (x + 1) = 6

- (x + 1) = 6 - 4

-x - 1 = 6 - 4

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- x = 2 + 1

- x = 3

x = - 3

If you need the process explained more in depth just let us know

7 0
2 years ago
Read 2 more answers
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