4 years ago

Find the equivalent expression to 3(4m-2) -2(m+5)

Mathematics

1 answer:

leva [86]4 years ago

5 0

3(4m-2)-2(m+5)
Distribute 3 into the equation
12m-6 than do the same with -2
-2m-10
combine like terms
10m-16

You might be interested in

A regular pyramid has a base that is an equilateral triangle with sides 16 inches long. Is it possible to determine the surface

LUCKY_DIMON [66]

Answer:

Step-by-step explanation:

you need to know either the height h, of the triangular figure or one of the slanted sides to get the surface area.

3 0

4 years ago

Factor 15z^2+17z-18 please show work

siniylev [52]

There is no common factor between 15, 17 and 18 because 17 is prime.

15z² +17z - 18 =

d = 17² - 4.15.-18

d = 289 + 1080

d = 1369

z = (-17 +/- \/1369) : 2 * 15

z = (-17 + 37) : 30

z' = 20 : 30 = 2/3

z" = (-17 - 37) : 30

z" = -54 : 30 = -1.8

<><

7 0

4 years ago

This system of linear inequalities can be used to find the possible heights, in inches, of Darius, d, and his brother William, w

olga55 [171]

Answer:

There is a possibility that Darius is 138 inches.

Step-by-step explanation:

Imagine william is 67 (Close integer less than 68)

d can be equal to 4 + 2(67)

D is less than or equal to 138 inches.

4 0

4 years ago

What expressions are equivalent to 20

Diano4ka-milaya [45]

Answer:

What expressions are equivalent to 20

Step-by-step explanation:

since you didn't .show a link this is my guess, i guess.

4x5=20

6 0

4 years ago

Please answer !!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!

vichka [17]

Answer & Step-by-step explanation:

$\frac{1}{4}(x+5)^2-1=3$

Add 1 to both sides.

$\frac{1}{4}(x+5)^2=4$

Multiply both sides by 4.

$(x+5)^2=16$

Take the square root of both sides.

$\sqrt{(x+5)^2} =\sqrt{16}$

$x+5=4$

Subtract 5 from both sides.

$x=-1$

3 0

3 years ago