2 years ago

Step by step solution

Mathematics

1 answer:

nasty-shy [4]2 years ago

8 0

Answer:

b is correct answer

Step-by-step explanation:

when we write logarithmic terms we change the result from number which is power of 3

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frozen [14]

$\sqrt{-4}$ can also be written as 2i
where i = √-1

$\frac{2i}{4-2-3i} = \frac{2i}{2-3i}$

Rationalizing denominator,

$\frac{2i(2+3i)}{(2-3i)(2+3i)} = \frac{4i-6}{4+9} = \frac{4i-6}{13}$

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3 years ago

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LUCKY_DIMON [66]

Ask your teachers if you can still turn them in

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2 years ago

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alexandr402 [8]

The answer to 29×97 would be 2813

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2 years ago

What is the right way to use substitution method?

Kazeer [188]

Answer:

Step-by-step explanation:

Substitution method can be applied in four steps. Step 1: Solve one of the equations for either x = or y = . Step 2: Substitute the solution from step 1 into the other equation. Step 3: Solve this new equation Happy too help!

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3 years ago

Solve the system of equations. -5x+2y=9. y=7x

il63 [147K]

$- 5x + 2y = 9 \\ y = 7x \\ \\ - 5x + 2 \times 7x = 9 \\ - 5x + 14x = 9 \\ 9x = 9 \\ x = 1 \\ \\ y = 7 \times 1 = 7 \\$

Answer: (1; 7)

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2 years ago