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3 years ago

PLEASE HELP

1 answer:

7 0

Since we are trying to the nonresponse population, subtract the responded population from the whole population

1334-931=403

then divide your answer from the whole population

403/1334

your answer will come up with a decimal. decimals can easily be switched into percentile form. 0.01=1%

your decimal should be .302, which is 30.2%

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3 years ago

-4x-2y=-12 <br>4x+8y=-24

sweet [91]

Answer:

x = 6

y = -6

Step-by-step explanation:

By adding both equations :-

=》-4x -2y + 4x + 8y = -12 + (-24)

=》-4x + 4x + 8y - 2y = -12 - 24

=》6y = -36

=》y = -36 ÷ 6

=》y = -6

putting the value of y in equation 2

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=》4x = 48 - 24

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2 years ago

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Tom [10]

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2 years ago

If x2 + y2 = 14 and xy=5, find the value of (½x+½y)². <br><br>pls help

dimulka [17.4K]

Answer:

(½x+½y)²=6

Step-by-step explanation:

x^2 + y^2 = 14, xy=5

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1/4(x^2 +y^2) +1/2(xy)=

1/4*14+1/2*5=

14/4+5/2=

14/4+10/4=

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2 years ago

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