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ANTONII [103]
3 years ago
15

One number is 9 less than the other. Find the two numbers if their product is 736.

Mathematics
1 answer:
Alika [10]3 years ago
6 0
x-first\ number\\x-9-second\ number\\\\x(x-9)=736\\x^2-9x-736=0\\\\\Delta=b^2-4ac\\\\\Delta=(-9)^2-4\cdot(-736)\cdot1=81+2944=3025\\\\\sqrt\Delta=55\\\\x_1=\frac{-b-\sqrt{\Delta}}{2a}\ \ x_1=\frac{9-55}{2*1}=\frac{-46}{2}=-23
\\\\ or \\
x_2=\frac{-b+\sqrt{\Delta}}{2a}\ \ x_2=\frac{9+55}{2*1}=\frac{64}{2}=32\\\\x_1\ is\ negative\ number\ so\ it\ can't\ be\ one\ of\ them\\\\32-9=23\\\\Searched\ number\ are\ 32\ and\ 23

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aleksandrvk [35]

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8 0
3 years ago
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Alexis purchased a combination of daisies and tulips for her friend's birthday party. Both types of flowers cost $4 per bundle,
scoundrel [369]

Answer:

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3 0
3 years ago
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4 0
3 years ago
Please help. Thank you
erastova [34]

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(1, -12)

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3 0
3 years ago
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harina [27]

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Description:

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Answer: 120cm³

Hope this helps.

4 0
3 years ago
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