3 years ago

Eight times the sum of 8 and some number is 80. What is the number?

Mathematics

1 answer:

Basile [38]3 years ago

7 0

Answer: 8(8+x)=80

Step-by-step explanation: 8 times is shown in parenthesis, 8+x is the sum, and 80 is the answer

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A rectangular bedroom is 2 ft longer than it is wide. It's area is 288 ft2. What is the width of the room?

Ulleksa [173]

Answer:

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lesantik [10]

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4 years ago

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GenaCL600 [577]

Answer:

1.5 + 1.3228756555323i

1.5 - 1.3228756555323i

Step-by-step explanation:

y = ax^2 + bx + c

a = 1, b = -3, c = 4

Using the quadractic formula:

$\frac{-b±\sqrt{b^2-4ac} }{2a} \\\\= \frac{3±\sqrt{9-4(1)(4)}}{2(1)}\\\\= \frac{3±2.64i}{2}\\\\= 1.5 ± 1.32$

Note: Kindly ignore the A in the above solution ^

Hence, there is no real solution. It has complex roots.

<em>Feel free to mark this as brainliest! :D</em>

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