3 years ago

Which expression is equivalent to 21 + 5(n − 3) + 7n?

Mathematics

1 answer:

Alla [95]3 years ago

5 0

Answer:

your answer is gonna be C!

Step-by-step explanation:

21+5n−15+7n

2 Collect like terms.

(21-15)+(5n+7n)

(21−15)+(5n+7n)

3 Simplify.

6+12n

You might be interested in

Please help me out !!

Dmitrij [34]

<h3>Solution:</h3>

$\huge \pink {\tt {{128}^{ \frac{3}{7} } = \sqrt[7]{ {128}^{3} } = {2}^{3} }}$

$\huge \pink {\tt {= 8}}$

<h2>Answer:</h2>

$\huge \purple {\tt {8 \: is \: the \: answer}}$

8 0

3 years ago

Find the slope of the line that passes through the points (2,-10) and (-4,2).

PilotLPTM [1.2K]

Answer:

-0.5

Step-by-step explanation:

3 0

4 years ago

Read 2 more answers

Linda bought a cube jewelry box. The volume of the jewelry box is 64 cubic inches. What is the edge length of Linda’s jewelry bo

yawa3891 [41]

Answer:

The edge length will be equal to 4 inches.

Step-by-step explanation:

The volume of a cube = s * s * s (in which s represent side of the cube)

V = s * s * s

V = s³

64 = s³

64 = 4³

So edge length of the cube will be 4 inches.

7 0

3 years ago

Simplify 3(x+2)-5x<br><br>1. 6-2x<br>2. 8x+2<br>3.-2x+2<br>4.2x+6

gulaghasi [49]

Answer:

-2x + 6

Step-by-step explanation:

Step 1: Write expression

3(x + 2) - 5x

Step 2: Distribute

3x + 6 - 5x

Step 3: Combine like terms

-2x + 6

7 0

3 years ago

Read 2 more answers

2. A diagonal shortcut across an empty

slava [35]

Answer:

Step-by-step explanation:

i added it

8 0

3 years ago