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3 years ago

Brainliest if your correct

Mathematics

2 answers:

prohojiy [21]3 years ago

7 0

Answer:the last one

Step-by-step explanation:

-12s squared +11st -2tsquared

-3s *4s = 12s squared

-3s*-t= 3st

2t*4s=8st

2t*-t=2t squared

loris [4]3 years ago

4 0

Answer:

it would be the last option

Step-by-step explanation:

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Explain how you can use multiplication to show that two fourths and four eighths are equivalent.

Fiesta28 [93]

Answer:

2/4 = 4/8

Numerator multiplication

2 times 2 = 4

Denominator multiplication

4 times 2 = 8

2/4 = 4/8

2/4 and 4/8 simplified = 1/2

Equal

Step-by-step explanation:

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2 years ago

8w^2+8w+9 what's the value if w=2

artcher [175]

Answer:

Substitute the w‘s in the equation for 2.

8(2)^2+8(2)+9

32+16+9

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3 years ago

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3 years ago

What is the probability of randomly picking an ace of hearts from a standard deck of playing cards? assume there are no jokers i

Alisiya [41]

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3 years ago

Read 2 more answers

Ahmed is solving the following equation for xxx.

Dennis_Churaev [7]

Answer:

Step-by-step explanation:

An extraneous solution is a root of a transformed equation which is not a root of the original equation because it was not included in the domain of the original equation.

Ahmed is solving $2\sqrt[3]{x-7}+11=3$ for x.

His steps were:

$\begin{aligned}2\sqrt[3]{x-7}&=-8\\ \sqrt[3]{x-7}&=-4\\ \left(\sqrt[3]{x-7}\right)^3&=(-4)^3\\ x-7&=-64 \end{aligned}$

Since cube roots do not give two solutions when solved, it is not necessary to check his answers for extraneous solutions.

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3 years ago