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Lelechka [254]
2 years ago
5

Simplify by collecting like terms

Mathematics
1 answer:
vlada-n [284]2 years ago
7 0

Answer:

Step-by-step explanation:

Like terms have same variable with same power.

r² + 5r + 3r² - 2r = r² + 3r² + 5r - 2r

                          = 4r² + 3r

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7 pens cost 84p, how much<br> would 11 pens cost?
Gelneren [198K]

Answer:

132p

Step-by-step explanation:

if 7 pens cost 84 total then you need to find the cost of each to know how much 11 pens would cost in total

84/7=12

now you know it's 12 each so just multiply 12 by 11 and you know how much for 11 total!

12*11=132p

3 0
1 year ago
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Kato must write 60 percent of a 20-page report by tomorrow. Kato wants to determine the number of pages that he needs to write b
AlekseyPX

Answer:

Kato must write 12 pages of the report

Step-by-step explanation:

We have given that total number of pages in report = 20

It is given that Kato must write 60 % of the that report tomorrow

We have to find the number of pages which kato write tomorrow

So number of pages which kato write tomorrow =\frac{20\times 60}{100}=12

So kato must write write 12 pages of the report tomorrow because 60 % of 20 is 12  

4 0
4 years ago
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after a school election,Jamie had 3/8 of the votes Richard the only other candidate had 75 votes how many people voted for jaime
dalvyx [7]
Jamie and Richard are the only contestants of the election.

Jamie got 3/8 of the total votes.

Richard got = 1 - 3/8 = (8-3)/8 = 5/8 of total votes

Number of votes Richard got = 75

So 5/8 of total votes = 75

Total votes = 75 ÷ 5/8 = 75 × 8/5 = 120

Jamie got = 120 - 75 = 45 Votes
8 0
4 years ago
Find x- and y-intercepts. Write ordered pairs representing the points where the line crosses the axes. x-y=4
lakkis [162]

Here is the graph of x-y=4. According to this, the x intercept is (4,0), and the y intercept is (0,-4) :)

8 0
3 years ago
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What is the total volume of the piece of cake?
bearhunter [10]

Answer:

The answer is 540^3

Step-by-step explanation:

The height is 6

base 1 or a is 10

base 2 or b is 18

base 3 or c is 20.59 (use Pythagorean theorem)

4 0
3 years ago
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