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gtnhenbr [62]
3 years ago
15

Hey guys I need your help ASAP

Mathematics
2 answers:
xeze [42]3 years ago
7 0

Answer:

C. 18x³ + 30x² + 42x + 20

Step-by-step explanation:

in the photo

sineoko [7]3 years ago
3 0

Answer:

18x^{3}+30x^{2}+42x+20

Step-by-step explanation:

Use the distributive property to multiply 3x^{2}+3x+5 by 6x+4 and combine like terms.

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jasenka [17]

This expression is equivalent to:


[ 7^(log to the base 7 of 3)]^(-2), or    [3]^(-2)], or 1/9.

6 0
3 years ago
Evaluate ab for a =2 3/4 and b = 4/5
Oduvanchick [21]

Answer:

11/5

Step-by-step explanation:

2 3/4 = 11/4 as a mixed number

a x b = 11             4

          -----   x     -----

            4             5

fours cancel out

11/5 is your final answer :D

4 0
4 years ago
Read 2 more answers
Lainey bought a set of 20 markers for $6<br> What is the cost of 111 marker?
sammy [17]

Answer:

370

Step-by-step explanation:

First find the unit rate aka price per pencil: 20 divided by 6 equals 3.333

Then find amount for all pencils

3.333 by 111 is 369.963

Then we round up to have a realistic amount of pencils to 370

5 0
3 years ago
What is an equation for this line?<br> A) x = 0 <br> B) y = -x <br> C) y = 1 <br> D) y = x
Lady bird [3.3K]
X=0 is the correct answer
4 0
3 years ago
Read 2 more answers
Use the quadratic formula to solve for x.
Finger [1]
Answer should be if not sorry
X= 1-5/6
7 0
2 years ago
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