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3 years ago

Find the Perimeter and area

Mathematics

1 answer:

Maslowich3 years ago

6 0

Perimeter is 36. This is because the radius and side lengths are the same in a regular hexagon.

Are is roughly 93.53.

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Liz wants to estimate the percentage of people who rent their home. She surveys 320 individuals and finds that 176 rent their ho

SOVA2 [1]

Answer: 0.065

Step-by-step explanation:

Given : Sample size : n= 320

The sample proportion of people who rent their home : $p=\dfrac{176}{320}=0.55$

Significance level : $\alpha:1-0.98=0.02$

Then , Critical value : $z_{\alpha/2}=2.33$

The formula to find the margin of error : -

$E=z_{\alpha/2}\sqrt{\dfrac{p(1-p)}{n}}\\\\\Rightarrow\ E=(2.33)\sqrt{\dfrac{0.55(1-0.55)}{320}}\\\\\Rightarrow\ E=0.064799034281\approx0.065$

Hence, the margin of error for the confidence interval for the population proportion with a 98% confidence level =0.065

4 0

3 years ago

Help please this is due rn

Rama09 [41]

Since these are alternate interior angles, they are equal. So, you would set them equal to each other (-5+13x=60). Then, add 5 to both sides to get 13x=65. Divide 65 by 13 to get the final answer, x=5

3 0

3 years ago

Determine which ordered pair is the solution to this problem 10=-12y+2x

Fed [463]

Answer:

10-12y+2x

=5.2+6.2y+2yx

=2(5-6y+x)

done

7 0

3 years ago

Please help me fast and show all your work please thx

laiz [17]

Answer:

area of trapezoid/trapezium = $\frac{h}{2} *(a+b)$

h=height

a and b are the parallel sides (top 2.5 and bottom 6 in this pic)

so $\frac{5}{2} *(2.5+6) = \frac{5}{2}*(8.5) = \frac{42.5}{2} = 21.25$

3 0

3 years ago

Read 2 more answers

Find the measure of interior angle C of hexagon OCEANS in which the

Svetllana [295]

Answer:

The measure of the interior angle C is $108^{o}$ .

Step-by-step explanation:

Sum of angles in a polygon = (n - 2) x 180

where n is the number of sides of the polygon.

For a hexagon, n = 6. So that;

Sum of angles in a hexagon = (6 - 2) x 180

= 4 x 180

= $720^{o}$

Sum of angles in a hexagon = $720^{o}$

⇒ 3x + 15 + 2x + 30 + 5x + 10 + 2x + 55 + 2x + 60 + x - 35 = $720^{o}$

15x + 135 = $720^{o}$

15x = $720^{o}$ - 135

15x = 585

x = $\frac{585}{15}$

= $39^{o}$

But,

C = 2x + 30

= 2(39) + 30

= 78 + 30

= $108^{o}$

The measure of the interior angle C is $108^{o}$ .

8 0

3 years ago