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morpeh [17]
3 years ago
6

Which ordered pairs in the form (x, y) are solutions to the equation (x + 6)y = 9? Choose all answers that are correct.  A.(−5,

9)  B.(−3, 3)  C.(3, 1)  D.(7, 9)
Mathematics
1 answer:
valentinak56 [21]3 years ago
4 0
<span>So we need to find the solutions to the equation (x+6)y=9 so we can arrange them in pair (x,y). We simply plug in the numbers into the equation. First pair (-5,9), we get (-5+6)9=9 so 1=1 and that is true, so first pair works. Second pair: (-3+6)3=9 we get (3)3=9 and 9=9 so second pair also works. Third pair: (3+6)1=9 we get 9=9, also works. Fourth pair: (7+6)9=9 we get 13*9=9 and 117=9 which is false so the fourth pair can't be a solution for the equation. The correct answers are A, B and C.</span>
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Sally gets paid $15.00 dollars per hour for a 40-hour work week and y dollars for each hour she works over 40 hours. What is the
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The equation x = 600 + 8y represents the earnings of Sally if she works 48 hours.

<u>Step-by-step explanation:</u>

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<u>The equation can be framed as :</u>

Let,

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3 years ago
An angle measures 40° less than the measure of its supplementary angle. What is the measure of each angle?
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4 0
2 years ago
100 Points!!!!!!!!!! please hurry with full explanation of how you got the answer if not i guess thats okay just an asnwer will
kaheart [24]

Here, Alicia is wrong because on evaluating 3 ^{1.4} we get 4.65554 which is of course less than 6. Zara's calculation could be;

3 ^{1.4}  \\  \\ 3 ^{ \frac{7}{5} }  \\  \\  \sqrt[5]{3 ^{7} }   \\  \\ 3 \sqrt[5]{3 ^{2} }  \\  \\ 3 \sqrt[5]{9}  \\  \\  = 4.6554

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