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Arte-miy333 [17]
2 years ago
5

Find the area of the quadrilateral

Mathematics
1 answer:
Vedmedyk [2.9K]2 years ago
6 0

Answer:

A=40'

Step-by-step explanation:

To me, it seems that the figure is a parallelogram.

So, let's use the formula to calculate the area of a parallelogram.

<h2><em><u>A=bh</u></em></h2>

In this case, the base <em>(b)</em> is 8' and the height <em>(h)</em> is 5'.

Replace the variables with our new values.

<em><u>A=bh</u></em>

<em><u>A=8*5</u></em>

<em><u></u></em>

Calculate the sum.

8*5=<em><u>40</u></em>

<em><u></u></em>

Add units.

40' or 40 inches.

Hence, 40 inches (40') is our answer.

Hope this helps

You might be interested in
Solve the inequality. Help appreciated
Ivan

Answer:

See below.

Step-by-step explanation:

6x-2≤9

   +2 +2

6x≤11

/6   /6

x≤11/6

4+3x>15

-4      -4

3x>11

/3   /3

x>11/3

-hope it helps

6 0
2 years ago
What is the value x in 8+6y=9
natali 33 [55]

Answer:

0.64285714285

Step-by-step explanation:

8 + 6 = 14

9/14 = 0.64285714285

0.64285714285 * 14 = 9

Please vote Brainliest (:



4 0
3 years ago
In a study of red/green color blindness, 700 men and 2850 women are randomly selected and tested. Among the men, 66 have red/gre
olga55 [171]

Answer:

z=\frac{0.0943-0.00281}{\sqrt{0.0208(1-0.0208)(\frac{1}{700}+\frac{1}{2850})}}=15.197  

p_v =P(Z>15.197) \approx 0  

If we compare the p value and using any significance level for example \alpha=0.05 always p_v so we can conclude that we have enough evidence to reject the null hypothesis, and we can say the the proportion of men with red/green color blindness.is significanlty higher than the proportion of women with red/green color blindness.

Step-by-step explanation:

Data given and notation  

X_{M}=66 represent the number of men with red/green color blindness.

X_{W}=8 represent the number of women with red/green color blindness.

n_{M}=700 sample of male slected

n_{W}=2850 sample of female selected

p_{M}=\frac{66}{700}=0.0943 represent the proportion of male with red/green color blindness.

p_{W}=\frac{8}{2850}=0.00281 represent the proportion of female with red/green color blindness.

z would represent the statistic (variable of interest)  

p_v represent the value for the test (variable of interest)

Concepts and formulas to use  

We need to conduct a hypothesis in order to check if the proportion of men with red/green color blindness. is higher than the proportionof women with red/green color blindness. , the system of hypothesis would be:  

Null hypothesis:p_{M} \leq p_{W}  

Alternative hypothesis:p_{M} > p_{W}  

We need to apply a z test to compare proportions, and the statistic is given by:  

z=\frac{p_{M}-p_{W}}{\sqrt{\hat p (1-\hat p)(\frac{1}{n_{M}}+\frac{1}{n_{W}})}}   (1)

Where \hat p=\frac{X_{M}+X_{W}}{n_{M}+n_{W}}=\frac{66+8}{700+2850}=0.0208

Calculate the statistic

Replacing in formula (1) the values obtained we got this:  

z=\frac{0.0943-0.00281}{\sqrt{0.0208(1-0.0208)(\frac{1}{700}+\frac{1}{2850})}}=15.197  

Statistical decision

For this case we don't have a significance level provided \alpha, but we can calculate the p value for this test.  

Since is a one side test the p value would be:  

p_v =P(Z>15.197) \approx 0  

If we compare the p value and using any significance level for example \alpha=0.05 always p_v so we can conclude that we have enough evidence to reject the null hypothesis, and we can say the the proportion of men with red/green color blindness.is significanlty higher than the proportion of women with red/green color blindness.

8 0
3 years ago
Factor the expression below x^2-16x+64
yulyashka [42]

Answer:

x^2+16x+64 is a perfect square

that is (x+a)^2=x^2+2ax+a^2

compare the coefficients of the x term

--> 2a=16 --> a=8

---> x^2+16a+64=(x+8)^2

plz mark me as brainliest :)

8 0
2 years ago
Just hi<br><br>how ya doin<br><br><br>it wont let me save
OlgaM077 [116]

Answer:

Hello!

Step-by-step explanation:

6 0
2 years ago
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