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Marianna [84]
3 years ago
8

CAN SOMEONE PLEASE HELP FASTTT!!! 2 QUESTIONS FOR BRAINLIEST!!

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
7 0

Answer:

Question 1: seems all A,B and C are incorrect

Question 2: long = 45/(3*3) =45/9 =5

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Three-fifths of the students in a room are girls. One-third of the girls have blond hair. One-half of the boys have brown hair.
yan [13]

Answer:

a. Of all the students, \frac{1}{5} are girls with blond hair.

b. Of all the students, \frac{1}{5} are boys without brown hair.

Step-by-step explanation:

a. You know that \frac{3}{5} of the students are girls (This means that \frac{2}{5} of the studes are boys) and \frac{1}{3} of these girls have blond hair.

Then, \frac{1}{3} of \frac{3}{5} is:

(\frac{3}{5})(\frac{1}{3})=\frac{1}{5}

Therefore, of all the students, \frac{1}{5} are girls with blond hair.

b. You know that \frac{1}{2} of the boys have brown hair.

Then, \frac{1}{2} of \frac{2}{5} is:

(\frac{2}{5})(\frac{1}{2})=\frac{1}{5}

Of all the students, \frac{1}{5} are boys without brown hair.

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3 years ago
PLEASE HELP I"LL GIVE BRAINLIEST!!
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Answer:

the slopes of f(x)and g(x)are the same

Step-by-step explanation:

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the length of the altitude from the right angle to the hypotenuse of a right triangle is the _______ mean of the two segments th
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Answer:

The length of the altitude from the right angle to the hypotenuse of a right triangle is the <u>geometric</u> mean of the two segments that make the hypotenuse.

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Find the product: (x² - x + 1)(2x² + 3x + 2).
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Answer:

(2x^3-2x^2-12x) is the required product.

Step-by-step explanation:

The given equation is:

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Solving the above given equation, we get

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which can be written as:

=(2x^3-6x^2+4x^2-12x)

Solving the like terms, we get

=(2x^3-2x^2-12x)

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What is the sum?
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Its B on e2020

Step-by-step explanation:

correct on quiz

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