3 years ago

Please help me đáp án của nó là gì help me thanks you very much

Mathematics

1 answer:

MissTica3 years ago

3 0

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Solve the system with elimination. x - y = 10 3x - 2y = 25

raketka [301]

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Step-by-step explanation:

{x,y}={5,-5}

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2 years ago

In each box, 20% of the total candies are grape flavored.

mrs_skeptik [129]

Answer:

Step-by-step explanation:

20 x 5 = 100

45/5 = 9

9 to 20 = 11

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X2 + 13x = -22 solve for x

aliya0001 [1]

I believe the answer would be -2 and -11 hope this helped!

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3 years ago

8x^-9+(-3x^-3y-2)(5/x^6y-2)

DaniilM [7]

$8x^{-9}+(-3x^{-3}y^{-2})(\frac{5}{x^6y^{-2}})$

the first step is to deal with the negative exponents, which causes numbers to go to the other side of the fraction

8x^{-9}+(-3x^{-3}y^{-2})(\frac{5}{x^6y^{-2}})

goes to

$\frac{8}{x^9}+(\frac{-3}{x^3y^2})(\frac{5y^2}{x^6})$

now we can simplify the multiplied terms

$\frac{8}{x^9}+(\frac{-15}{x^9})$

Now that we have common bases, we can add the 2 fractions together to get

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3 years ago

Edward walks at a pace 2 1/4 miles in 2/3 hour. How many miles does Edward walk per hour

GuDViN [60]

Divide distance walked by time:

2 1/4 miles / 2/3 hours = 3 3/8 miles per hour

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