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tankabanditka [31]
3 years ago
7

How to find the missing length?

Mathematics
2 answers:
alexira [117]3 years ago
5 0
I think it has to do with complimentary angles
Nata [24]3 years ago
3 0
To find the missing length you must break this shape into two other shapes. A square, and a right triangle. To do this you take the top value and subtract the bottom. 8-5=3. So one value of the triangle is 3, and the side is 5 since it is parallel and equal to the sides of the square. To find the missing value, you will use the formula "a^2+b^2=c^2." Side A will be our side value of 5. 5x5=25. Side B will be the value of 3. 3x3=9. 25+9=34. And now we find the square root of 34. This is 5.830951895.
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Which shape could not be a cross section for this cube?
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C) Octagon

Step-by-step explanation:

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4 years ago
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There are 46 runners in a race. How many ways can the runners finish first, second, and third
ehidna [41]

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(46 permutation 3)

Step-by-step explanation:

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5 0
2 years ago
Rufus appears before Bill and Ted and offers them a bogus proposition: they must paint a house together with their magical guita
jolli1 [7]

Answer:

6.79

Step-by-step explanation:

-Let X denote the total amount of the job.

-The job has to be done in 5 hrs, therefore the portion done every hour is:

Rate=\frac{Total}{Time}\\\\=\frac{X}{5}\\\\=\frac{1}{5}X=0.2X

Therefore, the rate of Bill and Ted working jointly must equal the rate calculated above:

R_{Bill}=\frac{X}{19}\\\\=\frac{1}{19}X\\\\R_{Bill}+R_{Ted}=R_{required}\\\\\frac{1}{19}X+R_{Ted}=\frac{1}{5}X\\\\R_{Ted}=\frac{1}{5}X-\frac{1}{19}X\\\\=\frac{14}{95}X\\\\\therefore \frac{14}{95}X=1\ hr\\\\X=1\div \frac{14}{95}\\\\=6.7857\approx 6.79hrs

Hence, Bill working alone should complete the house in 6.79 hrs

6 0
3 years ago
Can anyone help with me with this question?
Korolek [52]

Answer:

35

Step-by-step explanation:

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3 years ago
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A grizzly bears top speed is about 36 mph. This speed makes the bear about 1 1/2 times as fast as an African elephant.
sveta [45]
54mph because 36×1 1/2 is equal to 36+36×1/2 which is 18
7 0
4 years ago
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