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denpristay [2]
3 years ago
13

I don't understand this question I am in need of help

Mathematics
1 answer:
Sati [7]3 years ago
6 0
It is asking for the length of that leg of the triangle. You would use the Pythagorean theorem. So 11^2+12^2=c^2. The answer is he square root of 265.
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Assuming a normal distribution, families spends an average of $500 on their monthly cell phone bills with a standard deviation o
lara [203]
The probability is 0.69.

We find the z-scores that correspond with each end of the range we're looking for.  To find a z-score, we use the formula:
z=\frac{X-\mu}{\sigma}
\\
\\=\frac{350-500}{75}=\frac{-150}{75}=-2

z=\frac{400-500}{75}=\frac{-100}{75}=-1.33

Using a z-table (http://www.z-table.com) we see that the area under the curve left of the score 350 would be 0.228.  The area under the curve left of the score 400 would be 0.918.  To find just the range between 350 and 400, we subtract the area left of 350 from the area left of 400; this will give us just from 350 to 400:

0.918-0.228 = 0.69.
8 0
3 years ago
Match each whole number with a rational, exponential expression. 1. 216 2. 512 3. 8 4. 729 5. 27 6. 343
Crank

Answer:

216 - 6^3

512 - 2^9

8 - 2^3

729 - 3^6

27 - 3^3

343 - 7^3

6 0
3 years ago
0.5 is what percent of 3?
Leokris [45]
I did the math and got
16.6666666667
5 0
3 years ago
Danny has 1.08 pounds of cat food. he uses 0.12 pound of cat food to feed one cat. how many cats can danny feed with the cat foo
Ede4ka [16]

Answer:

9

Step-by-step explanation:

1.08 divided by 0.12 equals 9

6 0
2 years ago
Cany anybody give me the awnser to this?
Olegator [25]

Have a look at the attached image.

8 0
2 years ago
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