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photoshop1234 [79]
3 years ago
6

What is the mass of the shorter bar?

Mathematics
2 answers:
AlexFokin [52]3 years ago
8 0
24kg since u did 40 divided by 5 then multiply by 3
Lynna [10]3 years ago
4 0
Its 24 kg , first you divide the 40 into 5 which equals 8 each so for each meter you get 8 kgs

so 8 multiplied by 3 is 24kg
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Round each number to the nearest hundred and estimate the sum. 1,382 + 966
Daniel [21]

Answer:

1,500

Step-by-step explanation:

1,382 + 966

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Solve the system algebraically.<br> 3x - 2y - 1 = 0 y = 5x + 4 <br> What is the solution?
Bogdan [553]

Answer:

x=\frac{-9}{7}

y=\frac{-17}{7}

Step-by-step explanation:

We have been given the equation:

3x-2y-1=0

And y=5x+4

Second equation can be rewritten as:

5x-y=-4

We will solve the equations:

3x-2y=1      (1)

5x-y=-4       (2)

Multiply equation (1) by 5 and equation (2) by 3 we get:

15x-10y=5      (3)

15x-3y=-12       (4)

Now, subtract (4) from (3) we get:

-7y=17

y=\frac{-17}{7}

Now substitute y=\frac{-17}{7} in equation (1) we get:

3x-2{\frac{-17}{7}}=1

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x=\frac[-27}{21}

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Step-by-step explanation:

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