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elixir [45]
3 years ago
14

What is the gcf of 21 and 40

Mathematics
2 answers:
Goshia [24]3 years ago
8 0
Factor
21=1*3*7
40=1*2*2*2*5
gcf=1
7nadin3 [17]3 years ago
5 0
1 is the gcf of 21 and 40
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Choose a method you prefer to solve for a system of linear equations.<br> 2x + 4y = -4<br> 2x-y=6
Artyom0805 [142]

Answer:

Elimination

x = 2

y = -2

Step-by-step explanation:

Elimination

2x + 4y = -4

2x - y = 6

Subtract the second equation from the first

5y = -10

Divide both sides by 5

y = -2

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Substitute for y = -2 in the second equation

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subtract 2 from both sides

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7 0
3 years ago
The cylindrical container is four-fifths full of powder. Round to the nearest tenth if necessary. a. The total capacity of the c
mezya [45]

Answer:

a. \pi r^2h

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Step-by-step explanation:

Volume of the container denotes its quantity. It is a three-dimensional space.

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a.

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b.

As the cylindrical container is four-fifths full of powder, so the volume of the powder in terms of π is \frac{4}{5}\times volume of the container i.e., \frac{4\pi r^2h}{5}

4 0
3 years ago
Sherry is a waitress at a country club restaurant. She receives an automatic 15% tip which is added to the member's check for th
Karo-lina-s [1.5K]

Answer:

143 50

Step-by-step explanation:

I hope it helps pa brainlest po

7 0
3 years ago
Brainliest,plz help
labwork [276]

4 sqrt (32) + 6 sqrt (50)

4 sqrt (16*2) + 6 sqrt (2*25)

4 sqrt (16)*sqrt(2) + 6 sqrt (2)*sqrt(25)

4 *4*sqrt(2)+6sqrt(2)*5

16sqrt(2)+30sqrt(2)

46sqrt(2)


4 0
3 years ago
(2+ 3)(8-13) write answer in simplest radical form.<br>​
denis-greek [22]

Looks like a good question, using the mathematical term of "radical."

7 0
4 years ago
Read 2 more answers
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