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Inga [223]
3 years ago
7

PLEASE HELP EASY MATH!!!!

Mathematics
2 answers:
Snowcat [4.5K]3 years ago
8 0
D 20 cubic feet would be your answer
den301095 [7]3 years ago
5 0

Answer: 20 cubic feet

Step-by-step explanation:

I did the math

Hope this helps!!

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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

<em>l</em><em> - lenght</em>

<em>w</em><em> - width</em>

<em>h</em><em> - height</em>

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)

5 0
3 years ago
Read 2 more answers
In the bag, there are 19 green marbles for every 11 blue marbles. What is the ratio of green marbles to total marbles?​
hammer [34]

Answer:

19;30

Step-by-step explanation:

Adding them together is the total

8 0
3 years ago
Which transformation would create an image and a pre image that are similar figures?
Crank

Answer:

Dilation

Step-by-step explanation:

A dilation changes the size of a figure by enlarging the figure of making the figure smaller.  The sides will be proportional and the angles will be congruent making the figures similar.

4 0
2 years ago
The discriminant of a quadratic equation is -7. Classify the number and type of roots.
lyudmila [28]
Hello,

Answer D.
====================

5 0
3 years ago
Ten runners are in a race. how many different ways can they finish in 1st, 2nd and 3rd place?
Aleksandr [31]
The order of selection matters, therefore we need to find permutations:
The number of ways is found from 10P3.
10P3=\frac{10!}{7!}=10\times9\times8=720\ ways
3 0
3 years ago
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