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Romashka-Z-Leto [24]
3 years ago
10

What is the LCM for 28 42 and 70

Mathematics
1 answer:
NeTakaya3 years ago
3 0
280 because 70 times and number has a 0 in the ones place and 28 × 10 is 280. 280 is also a multiple of 42
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-1/3x-4/3y=-2 1/3x-2/3y=4 using elimination
Minchanka [31]

-1/3x-4/3y=2

1/3x-2/3y=4

First realize that the coefficient of x is -1/3 and 1/3 which can be eliminated with addition

Adding the two equations together gets

-6/3y=6

Simplify

-2y=6

y=-3

Substitute back into original equation

1/3x-2/3(-3)=4

1/3x+2=4

1/3x=2

x=6

Answer

x=6, y=-3

Check answer

-1/3(6)-4/3(-3) =?= 2

                -2+4=2

                     2=2

Done!

5 0
3 years ago
The height of a cylinder is 3 units. Its radius is 10 units. What is the volume of the cylinder, in cubic units? (Use π = 3.14)
serg [7]
The answer would be 942.
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3.14 * 10^2 = 314
314 * 3 = 942

I hope this helped :)
8 0
3 years ago
Read 2 more answers
What is the gradient of the graph shown? Give your answer in simplest form
gogolik [260]

Answer:

gradient = 2

line: y = 2x - 4

Step-by-step explanation:

Find the slope from the slope intercept formula

y = mx + b

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b = -4 and the point is (0,-4)

So far the equation looks like this.

y = mx - 4

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x = 2

y = 0

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4 = 2m                      Divide by 2

4/2 = m

m = 2

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8 0
4 years ago
what is the probabilty that the sum of the two rolls is a prime number, given that atleast one of the rolls is a 3?
Sav [38]

the answer is you would have a 1/3 chance

3 0
3 years ago
A cylinder has a radius of 5 meters and height of 16 meters what is the volume
cluponka [151]

Answer:

V≈1256.64

Step-by-step explanation:

Volume of a cylinder is V=πr2h. So you plug in 5 for r and 16 for h

6 0
3 years ago
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