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2 years ago

Question 5 of 10

Mathematics

1 answer:

Darina [25.2K]2 years ago

5 0

Answer:

x= 38

Step-by-step explanation:

add 34 to each side of the equation.

which will give you x= 38

done!

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Elimination_4x_2y=14 _10x+7y=_24

Gnesinka [82]

Answer:

The answer is $x=-\frac{50}{8}$ and $y=\frac{11}{2}.$

Step-by-step explanation:

Given:

-4x-2y=14

-10x+7y=-24

Now, to solve it by elimination:

$-4x-2y=14$ ......(1)

$-10x+7y=-24$ ......(2)

So, we multiply the equation (1) by 7 we get:

$-28x-14y=98$

And, we multiply the equation (2) by 2 we get:

$-20x+14y=-48$

Now, adding both the new equations:

$-28x-14y+(-20x+14y)=98+(-48)$

$-28x-14y-20x+14y=98-48$

$-28x-20x-14y+14y=50$

$-8x=50$

Dividing both the sides by -8 we get:

$x=-\frac{50}{8}$

Now, putting the value of $x$ in equation (1):

$-4x-2y=14$

$-4(-\frac{50}{8})-2y=14$

$\frac{200}{8} -2y=14$

$25-2y=14$

Subtracting both sides by 25 we get:

$-2y=-11$

Dividing both sides by -2 we get:

$y=\frac{11}{2}$

Therefore, the answer is $x=-\frac{50}{8}$ and $y=\frac{11}{2}.$

5 0

3 years ago

Simplity -4/3 ➗2/-6 -4 -2 2 4 I

yulyashka [42]

Answer:

-4

Step-by-step explanation:

-4/3÷2/-6

⇒ -4/3×-6/2

⇒ -24/6

⇒ -4

7 0

3 years ago

Anny goes bowling. He has $25.00 to spend. He spends $4.25 to rent shoes. He spends $2.50 for each game he bowls. Which inequali

spayn [35]

Answer:

D. 25 +4.25x < 25

Step-by-step explanation:

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2 years ago

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To pay for new machinery in 5 years a company owner invests $10000 at 7.5% compounded quarterly. How much money will be availabl

sukhopar [10]

Answer:

37 500

Step-by-step explanation:

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3 years ago

PLEASE HELP I NEED BOTH PARTS!

MAVERICK [17]

I think it’s b but don’t take my word for it

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2 years ago