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jekas [21]
2 years ago
11

Point B is in between A and C in a segment. AB= 22 and BC=30 Find AC

Mathematics
1 answer:
dolphi86 [110]2 years ago
4 0

Answer:

AC = 52

Step-by-step explanation:

Add the segment lengths together.

AB + BC = AC

22 + 30 = 52

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Which equation would have real zero(s) corresponding to the x-intercept(s) of the graph below?
MA_775_DIABLO [31]

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Choice A.

y =  -  {2}^{x}  + 4

Step-by-step explanation:

Use graphing calculator

7 0
2 years ago
Find the value of sin pi/4-x cos pi/4-y + cospi/4-x sin pi/4-y​
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How many terms are in the arithmetic sequence 1313, 1616, 1919, ……, 7070, 7373?
Ede4ka [16]
The formula in getting the arithmetic sequence:
an = a1<span> + (n – 1)d.
</span>
We can substitute the values in order for us to know how many terms the sequence has.

an = 7373
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d = 303

an = a1<span> + (n – 1)d
</span>7373 = 1313 + (n-1) 303
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3 0
2 years ago
What is the value of variable for -4(y - 2) = 12<br> Explain please
Scrat [10]

Answer:

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Factorization:

−4(y + 1) = 0

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Step-by-step explanation:

7 0
3 years ago
Using the simple random sample of weights of women from a data​ set, we obtain these sample​ statistics: nequals45 and x overbar
Tomtit [17]

Answer: (141.1, 156.48)

Step-by-step explanation:

Given sample statistics : n=45

\overline{x}=148.79\text{ lb}

\sigma=31.37\text{ lb}

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b) The confidence interval for the population mean is given by :-

\mu\ \pm E, where E is the margin of error.

Formula for Margin of error :-

z_{\alpha/2}\times\dfrac{\sigma}{\sqrt{n}}

Given : Significance level : \alpha=1-0.90=0.1

Critical value : z_{\alpha/2}=z_{0.05}=\pm1.645

Margin of error : E=1.645\times\dfrac{31.37}{\sqrt{45}}\approx 7.69

Now, the 90% confidence interval for the population mean will be :-

148.79\ \pm\ 7.69 =(148.79-7.69\ ,\ 148.79+7.69)=(141.1,\ 156.48)

Hence, the 90​% confidence interval estimate of the mean weight of all women= (141.1, 156.48)

3 0
3 years ago
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