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3 years ago

Help me do this. I am confused.

Mathematics

1 answer:

andreyandreev [35.5K]3 years ago

7 0

Answer:

btw plz dont report me

Step-by-step explanation:

how many problems????

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Alex787 [66]

Answer:

Step-by-step explanation:

$(3+\sqrt{-16})(6-\sqrt{-64})=(3+4\sqrt{-1})(6-8\sqrt{-1})=2(3+4\sqrt{-1})(3-4\sqrt{-1})\\\\=2(3^2-(4\sqrt{-1})^2)=2(9-(-16))\\\\=2(25)=50$

We make use of the special form for the difference of squares:

(a+b)(a-b) = a²-b²

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4 years ago

If RS = 30 degrees, then m

natita [175]

Answer: 30degrees

Step-by-step explanation:

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3 years ago

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Sergeeva-Olga [200]

Answer:

Step-by-step explanation:

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3 years ago

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What is 8^4 x 8^6 simplified?

ioda

Hi,

Equation:

${8}^{4} \times {8}^{6}$

Simplify:

Multiply the terms with the same base by adding their exponents.

${8}^{4} \times {8}^{6} = {8}^{4 + 6} = {8}^{10} \: \: \: \: \: \: result$

Hope this helps.
r3t40

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3 years ago

7x + 3y = 9 (for x)<br><br><br> solve it for x

Taya2010 [7]

Answer:

x = 9/7 - (3 y)/7

Step-by-step explanation:

Solve for x:

3 y + 7 x = 9

Hint: | Isolate terms with x to the left-side.

Subtract 3 y from both sides:

7 x = 9 - 3 y

Hint: | Solve for x.

Divide both sides by 7:

Answer: x = 9/7 - (3 y)/7

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3 years ago

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