3 years ago

Help meeeeeee please :))))

Mathematics

1 answer:

maxonik [38]3 years ago

6 0

Cant see the pic ya feel

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Simplifying Rational Expressions

Evgen [1.6K]

B^-2 / b^-3 = b^(-2-(-3) = b^1 = b

answer is d

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3 years ago

A bag contains 12 white and 8 red marbles. A marble is drawn. find the probability that the marble I) white, ii) red, iii)green,

Molodets [167]

Answer:

The odds would be in faver of the white marble.

Step-by-step explanation:

Hope that helps :)

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3 years ago

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–9(w + 585) = –360 w = ______

vekshin1

Answer:

w = 15

Step-by-step explanation:

-9(w + 585) = -360w

-9w -5265 = -360w

351w = 5265

w=15

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4 years ago

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What are the dimensions of a rectangular box with a volume of 50b 3 + 75b2 - 2b - 3?

Inessa [10]

Answer:

$\large\boxed{(2b+3)\times(5b-1)\times(5b+1)}$

Step-by-step explanation:

The formula of a volume of a rectangular box:

$V=lwh$

l - lenght

w - width

h - height

$V=50b^3+75b^2-2b-3=25b^2(2b+3)-1(2b+3)\\\\=(2b+3)(25b^2-1)=(2b+3)(5^2b^2-1^2)\\\\=(2b+3)\bigg((5b)^2-1^2\bigg)\qquad\text{use}\ a^2-b^2=(a-b)(a+b)\\\\=(2b+3)(5b-1)(5b+1)$

Therefore the dinemsions of thisp prism are:

$(2b+3)\times(5b-1)\times(5b+1)$

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3 years ago

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Julio is training for a marathon. He runs 34 miles the first week and 29 miles the next week. During the third week , he wants t

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34+29= 63
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Julio has to run 9 miles a day

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