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3 years ago

10

How do I solve this5/x-3/x+4=2

1 answer:

Margaret [11]3 years ago

5 0

Answer: hey check out the image

Step-by-step explanation:

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What two numbers multiply to get 25 and add to -10

SOVA2 [1]

$x;\ y-the\ numbers\\\\ \left\{\begin{array}{ccc}xy=25\\x+y=-10&\to x=-10-y\end{array}\right\\\\subtitute:\\(-10-y)y=25\\(-10)(y)-y(y)=25\\-10y-y^2=25\\-y^2-10y-25=0\ \ \ \ |change\ the\ signs\\y^2+10y+25=0\\y^2+5y+5y+25=0\\y(y+5)+5(y+5)=0\\(y+5)(y+5)=0\\(y+5)^2=0\iff y+5=0\to \boxed{y=-5}\\\\subtitute\ the\ value\ of\ y\ to\ the\ equation\ x=-10-y\\x=-10-(-5)\\x=-10+5\\\boxed{x=-5}\\\\Answer:\boxed{-5\ and\ -5}$

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4 years ago

The sale price of an item is 0.75 the original price of the item, x.

lakkis [162]

Ur answer should be C because it tells more about the question and makes more of a statement.

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4 years ago

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a dozen eggs cost 1.32 at the grocery store. How much profit would a restaurant make if they sold 1 scrambled egg for 99 cents?

SVETLANKA909090 [29]

The restaurant would make 88cents in profit if one egg cost 11cents and they sold on scrambled egg for 99 cents.

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3 years ago

My brain is fried this is due in the next 10 minutes and still haven't understood this work Need help ASAP

mamaluj [8]

Answer:

(0,1) (-1,1)

Step-by-step explanation:

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3 years ago

Help.please ASAP will mark brainliest !!!

kupik [55]

The answer is D because if you continue the pattern the bottom number would have to be 8 and the top would have to be 7!!

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3 years ago