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vekshin1
3 years ago
9

What is the opposite of dividing by 21? A. dividing by 21 B. multiplying by 21 C. subtracting 21 D. adding 21​

Mathematics
1 answer:
Illusion [34]3 years ago
5 0

Answer:

the correct answer is option B

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Will the sum of two linear expressions each with an x-term , always,sometimes,or never have an x-term ? Explain your reasoning
Licemer1 [7]

Sometimes it will, and sometimes it won't.

I reason as follows:

(21 + x)  +  (30 + 2x)  =  51 + 3x      has an 'x' term

(42 + x)  +  (30 - x)  =  72                  has no 'x' term.

4 0
3 years ago
Identify whether the expressions are equivalent or not equivalent: 11(p + q) and 11p + (7q + 4q)
Stella [2.4K]

Answer:

Yes they are

Step-by-step explanation:

11(p+q) = 11p + 11q

---------------------------

11p + (7q+ 4q)

= 11p + ( q * (7+4))

= 11p + (q * 11)

= 11p+ 11q

See they are the same

3 0
3 years ago
WILL GIVE BRAINLIEST
Rufina [12.5K]

Answer:

60

Step-by-step explanation:

rate of change of graph,df(x)/dx

=(120-0)/(3-1)=60

8 0
3 years ago
Tiana's math test score are 85 and 91 . She has one more test left. In order to earn and A, her average test score must be at le
Zanzabum
85 + 91 + x ÷3 ≥94


You didn't give any choices but this represents the problem.
3 0
3 years ago
The lines shown below are parallel. If the green line has a slope of -27, what is
photoshop1234 [79]

A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely.

The correct option is A.

<h3>What is a line?</h3>

A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely.

The slope of the parallel line is always equal. Given the slope of the green line is -3/7, also, it is parallel to the red line. Therefore, the slope of the red line is -3/7.

Hence, the correct option is A.

Learn more about Line:

brainly.com/question/21511618

#SPJ1

8 0
2 years ago
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