3 years ago

What is the simplified form of the expression? 1/3(21m + 27)

Mathematics

1 answer:

Zanzabum3 years ago

3 0

1/3(21m + 27)

distribute 1/3

7m + 9

B

You might be interested in

a student found the slope of a line that passes through the points (1,14) and (3,4) to be 5. what mistake did she make?

mariarad [96]

$x_{1}=1$
$x_{2}= 3$
$y_{1} =14$
$y_{2}=4$
$Slope= \frac{rise}{run} = \frac{ y_{2} - y_{1} }{ x_{2} - x_{1} } = \frac{4-14}{3-1} = \frac{-10}{2} =-5$

answer: The student flipped the y values

3 0

3 years ago

Demonstrate how repeated subtraction can be used to show that 22 dividend by 7 = 3 r 1

Rudik [331]

22-7-7-7=1 this will show that you can subtract 7 three times from 22 and have a remainder of 1.

6 0

4 years ago

Given circle O with AB || CD.<br> MAB = 8x +50, MAC = 5x +30, mBD=9x - 10

Harrizon [31]

$\bold{ANSWER:}$
70

$\bold{EXPLANATIONS:}$

3 0

2 years ago

Bill has a perfect cube of an unknown substance. The density of the substance is 3.0 g/cm. He

Marina CMI [18]

Answer:

9cm

Step-by-step explanation:

v=m/d

81/3=27cm^3

vol. of cube is h×a×b

since it is a cube all sides are the same

27=3h

h=9cm

6 0

3 years ago

How do you estimate weight?

nlexa [21]

With lbs(pounds) I think

8 0

3 years ago

Read 2 more answers