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atroni [7]
3 years ago
13

Question 21 is probably the hardest question on this homework

Mathematics
2 answers:
Snezhnost [94]3 years ago
7 0
-15+5x= 20

5x= 35
x= 7

20= -15+5x

35= 5x

7 = x
Degger [83]3 years ago
5 0

Answer:

20= -15+5x

35= 5x

7 = x

Step-by-step explanation:

I hope I can help you :)

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The rectangle below has an area of x^2 - 9 square meters and a width of x - 3 meters.
Rama09 [41]

Answer:

x+3

Step-by-step explanation:

Area of a rectangle is L\cdot W.

We know the width, W, is x-3 and we know the area is x^2-9.

Inputting this in our formula above we get:

x^2-9=L(x-3)

L is a an expression such that when you multiply it to (x-3) gives you (x^2-9).

x^2-9 is a difference of squares and can be factored using:

a^2-b^2=(a-b)(a+b).

x^2-9=(x-3)(x+3).

So L=x-3 and W=x+3.

4 0
3 years ago
If it is a square, then it is a quadrilateral
LenaWriter [7]
I think so I don’t know though
3 0
4 years ago
Find the volume of a pyramid with a square base, where the side length of the base is
fgiga [73]

Answer:

Volume of square pyramid = 148.1 m³ (Approx.)

Step-by-step explanation:

Given:

Side length of base of square pyramid  6.6 meter

Height of square pyramid = 10.2 meter

Find:

Volume of square pyramid

Computation;

Volume of square pyramid = a²[h/3]

Volume of square pyramid = (6.6)²[(10.2)/3]

Volume of square pyramid = [43.56][3.4]

Volume of square pyramid = 148.104

Volume of square pyramid = 148.1 m³ (Approx.)

3 0
3 years ago
ILL GIVE BRAINLIEST
Fofino [41]

Answer:

There was a faction of 150 martians that decided to merge with a faction of 25 aliens from venus and the unknowns. Their forces were greater than or equal to the 275 spagetti monsters in the faction that merged with the 50 muffinbears and the unknowns.

*bows*

4 0
3 years ago
Read 2 more answers
=,>,<? 3.20 and 3.02
tekilochka [14]
3.20 > 3.02 (3.20 is greater then 3.02)
8 0
3 years ago
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