3 years ago

Which conversion on the metric table need division

Mathematics

1 answer:

vladimir1956 [14]3 years ago

5 0

If you are going from a larger unit to a smaller unit, you multiply. If you are going from a smaller unit, you divide

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5x + 2y=7<br> - 2x + 6y=9

ollegr [7]

Answer:

x = $\frac{12}{17}$ or 0.706

$y = \frac{59}{34}$ or 1.735

Step-by-step explanation:

5x + 2y=7 ----->(eq 1)

- 2x + 6y=9 ----->(eq 2)

Multiply (eq 1) with 3

3×(5x + 2y) = 3×7

15x + 6y = 21 ----->(eq 3)

substract (eq 3) from (eq 2)

- 2x + 6y - (15x + 6y) = 9-21

- 2x + 6y - 15x - 6y = 9-21

- 2x - 15x + 6y - 6y = 9-21

-17x = -12

x = -12 ÷ -17

x = $\frac{12}{17}$

put x = $\frac{12}{17}$ in (eq 1)

$5*\frac{12}{17} + 2y = 7$

$2y = 7- 5*\frac{12}{17}$

$2y = \frac{7*17 - 60}{17}$

$2y = \frac{119- 60}{17}$

$2y = \frac{59}{17}$

$y = \frac{59}{17*2}$

$y = \frac{59}{34}$

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3 years ago

X/33=-2/3i don't know how to solve this some one help me please

Delvig [45]

Answer:

x/i=22

Step-by-step explanation:

x/33=2/3*i

*33 *33

x=2/3*33*i

/i /i

x/i=2/3*33

x/i=22

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3 years ago

PLZZZZ ANSWER QUICK!!!! A line passes through the points (–1, –5) and (4, 5). The point (a, 1) is also on the line. What is the

Svetradugi [14.3K]

I believe it's -1 hope this helps you

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What is the volume of the basement?

bagirrra123 [75]

Volume = Length × Breadth × Height

So you are absolutely right, it is 252 yards squared

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2 years ago

What is 50% of 30? anyone

tensa zangetsu [6.8K]

Answer:

Step-by-step explanation:

.5 * 30 = 15

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3 years ago

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