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LenKa [72]
3 years ago
11

Write an equivalent expression for (2 m + 3) (m - 1)​

Mathematics
1 answer:
Dmitry [639]3 years ago
4 0

Answer:

2m^2-3m-9

Step-by-step explanation:

use FOIL

F-firsts

2m*m=2m^2

O-outer

2m*-3=-6m

I-inner

3*m=3m

L-lasts

3*-3=-9

2m^2-6m+3m-9\\\\-6m+3m=-3m\\\\2m^2-3m-9

(2m+3)(m-3)

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What is the solution to the proportion?<br> 5/x = 2/16
mixas84 [53]

Answer:

I believe the answer is X=40

Step-by-step explanation:

cross multiply 5*16 = X * 2

Multiply 5*16

80= X*2

Add '-2x' to each side of the equation

80 + -2x = 2x + -2x

Combine like terms

80 + -2x = 0

Add '-80' to each side of the equation.

80 + -80 + -2x = 0 + -80

Combine like terms: 80 + -80 = 0

0 + -2x = 0 + -80

-2x = 0 + -80

Combine like terms: 0 + -80 = -80

-2x = -80

Divide each side by '-2'.

x = 40

Simplifying

x = 40

Hope this helped :)

5 0
3 years ago
Which of the following is the simplest form of this expression?
Readme [11.4K]
The numerator could be written a⁴/⁵

The denominator could be written a²/³


Now solve  ( a⁴/⁵) / (a²/³) ==> a⁽⁴/⁵ ⁻²/³)  = a⁽²/¹⁵)

This is the simplest way
4 0
3 years ago
Read 2 more answers
Lorinda can walk 1.8 miles in 30 minutes. Which proportion can be used to find how many miles she can walk in 45 minutes?
KonstantinChe [14]
Maybe this is the answer 1.8/30 = x/45
8 0
3 years ago
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Kelsey says that to solve the equation 3x + 6 = 24, the first step should be to subtract 6 from each side of the equation. Dana
NNADVOKAT [17]

Answer:

Kelsey is correct.

Step-by-step explanation:

One of the rules when solving an equation is that you need to isolate the variable, meaning that it just needs to be x by itself. To do that, you would need to start by subtracting 6. If you were to divide by 3 first, the answer would be twice what it should be.

7 0
3 years ago
PLSSSS HEEEELPPP
MrRa [10]

Answer:

6296.5

Step-by-step explanation:

Cone volume: 622.0

Cylinder Volume: 5674.5

622+5674.5=6296.5

8 0
3 years ago
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