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4 years ago

7(y + 7)-11y Pleaseeee♥️♥️

Mathematics

2 answers:

Nookie1986 [14]4 years ago

8 0

-4y+49 is the answer

klasskru [66]4 years ago

5 0

The answer is 49 minus 4y

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trapecia [35]

Answer is C
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3 years ago

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Number two please <br> ASAP

miv72 [106K]

The solutions for $-5 +2x^{2} = -6x$ is option 3. $x= \frac{-6 \pm \sqrt{36-4 (2)(-5)}}{4} .$

Step-by-step explanation:

Step 1:

First, we must bring the equation to the form of $ax^{2} +bx +c =0.$

So $-5 +2x^{2} = -6x$ becomes $2x^{2} +6x-5=0.$

The value of a is the coefficient of the $x^{2}$ term, the value of b is the coefficient of x term and c is the coefficient of the constant term.

Comparing the above equation to $ax^{2} +bx +c =0,$ we get $a = 2, b = 6,$ and $c=-5.$

We have the formula $x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}.$

Step 2:

By substituting the known values, we get

$x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a} =\frac{-6 \pm \sqrt{6^{2}-4 (2)(-5)}}{2 (2)}.$

$\frac{-6 \pm \sqrt{6^{2}-4 (2)(-5)}}{2 (2)} = \frac{-6 \pm \sqrt{36-4 (2)(-5)}}{4} .$

This is the third option.

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4 years ago

My last one! please answer ASAP! look at the image below.

sveta [45]

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95 degrees aswell

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4 years ago

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Please hurry it’s urgent Thank you

Ivan

Answer:

The answer is 160

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3 years ago

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Melissa put her cat, Herman, on a diet and kept track of his weight. At the end of 4 weeks, she recorded Herman's weight change

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1.125 ounces. I did 4 1/2 divided by 4.

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3 years ago

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