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lianna [129]
3 years ago
15

How do i start this problem off?

Mathematics
2 answers:
Allushta [10]3 years ago
8 0
The answer is x=29 first you write 2x+6=64
-6. -6
-----------------
2x=58
---- ----
2. 2
U subtract six from both sides than divide by two hope it helped
Zinaida [17]3 years ago
3 0
First recognize that you have complementary angles which means the angles will add up to 90 degrees


that means 64+2x+6 =90

solve for x
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spayn [35]

Answer:

1. no solution

2. one solution

3. infinitely many solutions

Step-by-step explanation:

1. 4= -3

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2. -5=6c+7

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3. 5a+7=5a+7

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Step-by-step explanation:

5 0
3 years ago
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Suppose that administrators at a large urban high school want to gain a better understanding of the prevalence of bullying withi
RSB [31]

Answer:   (0.273,\ 0.783)

Step-by-step explanation:

Given : Total number of students who are asked to complete a survey anonymously : n= 240

Number of students

The proportion report that they have experienced bullying =54

Then , the proportion that students have experienced bullying =p=\dfrac{54}{240}=0.225

Significance interval : \alpha=1-0.95=0.05

Critical value : z_{\alpha/2}=1.96

The confidence interval for the true proportion is given by :-

p\pm z_{\alpha/2}\sqrt{\dfrac{p(1-p)}{n}}\\\\=0.225\pm (1.96)\sqrt{\dfrac{(0.225)(1-0.225)}{240}}\\\\\approx0.225\pm0.0528\\\\=(0.255-0.528,\ 0.255+0.528)\\\\=(0.273,\ 0.783)

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