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nordsb [41]
4 years ago
14

Which of the following is the solution to -12 + r = 3?

Mathematics
1 answer:
pogonyaev4 years ago
5 0
To get r, we need to get it on one side alone.
Add 12 to both sides.
r = 15 is your solution.
I hope this helps!
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Factorize:<br><img src="https://tex.z-dn.net/?f=20%20-%203p%20-%20p%20%7B2%7D%20%3D%20p%20-%201" id="TexFormula1" title="20 - 3p
yanalaym [24]

Answer:

20 -3p -p^2 = p- 1

20 -3p -p = p^2 -1

20 -4p = p^2 -1

20 +1 = p^2 +4p

21 = p^2 +4p

p^2 +4p -21

7 0
3 years ago
How do i factor 3x²-41x+110
Vesnalui [34]
Break the expression into two groups, then if you factor out what you need to do, then factor out the common term, you'll end up with ( 3x - 11 ) ( x - 10 )
6 0
4 years ago
Use the distributive property to write an expression for the area
LUCKY_DIMON [66]

Answer:

10x+15

Step-by-step explanation:

area of the two rectangles combined is one big rectangle

area of rectange= base*height

base length: 2x+3

height: 5

(2x+3)*5

=(2x*5)+(3*5)

=10x+15

8 0
3 years ago
5x + 50 = 100<br> What is x?
vfiekz [6]

Answer:

x = 10

Step-by-step explanation:

5x + 50 = 100

=> 5x = 100 - 50

=> 5x = 50

=> x = 10

Hoped this helped.

8 0
3 years ago
Express the area of the entire rectangle.
Cloud [144]

Answer:

\huge\boxed{A=x^2+12x+35}

Step-by-step explanation:

The formula of an area of a rectangle:

A=lw

<em>l</em><em> - length</em>

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

We have

l=x+7\\\\w=x+5

Substitute:

A=(x+7)(x+5)

Use FOIL <em>(a + b)(c + d) = ac + ad + bc + bd</em>

<em></em>A=(x)(x)+(x)(5)+(7)(x)+(7)(5)\\\\A=x^2+5x+7x+35<em></em>

combine like terms

A=x^2+(5x+7x)+35\\\\A=x^2+12x+35

7 0
3 years ago
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