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Andru [333]
3 years ago
8

NEED HELP ON THIS ASAP WEE WOO WEE WOO

Mathematics
2 answers:
Klio2033 [76]3 years ago
5 0
50 is the answer I think
mojhsa [17]3 years ago
3 0

Answer:

50

Step-by-step explanation:

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Determine the range of the graph
alexandr402 [8]
Answer: Range: [0, 5]
8 0
2 years ago
A triangle has a base of 17 inches and a area of 127.5 square inches. What is the height of the triangle?
zmey [24]
We know that area=0.5*base*height.

Thus, the equation would look like:
127.5=0.5*base*height

That means, 255 = base*height.
We know base is 17
Then, we divide 255 by 17. That gets us the height.
The height equals 15.
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3 years ago
The sum of 4 consecutive even numbers is 36.<br> What is the first number in this sequence?
DiKsa [7]

Answer:

6

Step-by-step explanation:

6+8+10+12=36

7 0
2 years ago
Read 2 more answers
How do you solve this equation√8k=k
kondor19780726 [428]

the answer is                        

<span>[√8k ]² =k², so  8k=k² which implies k² - 8k= 0, and (k – 8)k= 0, so k = 8 or k =0</span>

8 0
2 years ago
In a random sample of 74 women at a company, the mean salary is $39,902 with a standard deviation of $3270 in a random sample of
ValentinkaMS [17]
The correct answer is the first choice, ($1818.30, $5077.70.)

To find this, we first find the z-score based on the confidence level:
Convert 95% to a decimal:  95%=95/100 = 0.95
Subtract from 1:  1-0.95 = 0.05
Divide by 2:  0.05/2 = 0.025
Subtract from 1:  1-0.025 = 0.975

Using a z-table (http://www.z-table.com) we see that this value is associated with a z-score of 1.96.

Next, we identify 
\overline{x_1}=39902; \overline{x_2}=36454; n_1=74; n_2=40; \sigma_1=3270; \sigma_2=4677

Next we find
(\overline{x_1}-\overline{x_2})=(39902-36454) = 3448

Next we find 
\sqrt{\frac{\sigma_1^2}{n_1}+\frac{\sigma_2^2}{n_2}}&#10;\\&#10;\\=\sqrt{\frac{3270^2}{74}+\frac{4677^2}{40}}=\sqrt{\frac{10692900}{74}+\frac{21874329}{40}}&#10;\\&#10;\\=831.479

Next, we multiply this value by z:
1.96(831.479) = 1629.70

The confidence interval is given by
3448\pm1629.70&#10;\\&#10;\\=(3448-1629.70, 3448+1629.70)&#10;\\&#10;\\=(1818.30, 5077.70)
5 0
3 years ago
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