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3 years ago

I need help on my math test!

Mathematics

2 answers:

Strike441 [17]3 years ago

8 0

Answer: the answer should be c

Step-by-step explanation:

iris [78.8K]3 years ago

4 0

Answer:

the last one...

$y = |x-1| +2$

Step-by-step explanation:

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Please help thanks

myrzilka [38]

Answer:

X= 62°

Step-by-step explanation:

Remember a straight line is 180°. If we were to try to find x, we would have to subtract 180 by 118. If we do that then we get 62°. And I think there corresponding angles.

BTW, I'M VERY SORRY IF MY ANSWER IS WRONG!! I HAVEN'T DONE THIS IN A YEAR!!! Use this as an example, or sum!!! Good luck.

6 0

3 years ago

All the following are equivalent except d=rt dr=r d/t=r d/r=t

Andreas93 [3]

Answer:

dr=r is not equivalent

8 0

3 years ago

What is the value of if the remainder of is 2?

Vlad1618 [11]

Answer:

l don't understand......

8 0

3 years ago

Private colleges and universities rely on money contributed by individuals and corporations for their operating expenses. Much o

emmainna [20.7K]

Answer:

The 95% confidence interval $81.852 < \mu < 280.098$

Step-by-step explanation:

From the question we are told that

The sample mean is $\= x = 180.975$

The standard deviation is $\sigma = 143.042$

The sample size is n = 8

Given that the confidence level is 95% then the level of significance is

$\alpha =( 100- 95) \%$

=> $\alpha =0.05$

Generally from the normal distribution table the critical value of $\frac{\alpha }{2}$ is

$Z_{\frac{\alpha }{2} } = 1.96$

Generally the margin of error is mathematically represented as

$E = Z_{\frac{\alpha }{2} } * \frac{\sigma }{\sqrt{n} }$

=> $E = 1.96 * \frac{ 143.042 }{\sqrt{8} }$

=> $E = 99.123$

Generally 95% confidence interval is mathematically represented as

$\= x -E < \mu < \=x +E$

=> $180.975 -99.123 < p < 180.975 +99.123$

=> $81.852 < \mu < 280.098$

5 0

3 years ago

Dose anyone know the answer

just olya [345]

The answer is the D ( the last one)

6 0

3 years ago