3 years ago

Simplify 10x - 2[4x - 2) = x-5

Mathematics

1 answer:

andrezito [222]3 years ago

4 0

Answer:

x=16

I hope this helps please let me know if I am wrong! :)

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Step-by-step explanation:

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2 years ago

How many centimeters are in 15 yards?

Ann [662]

Answer:

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Step-by-step explanation:

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2 years ago

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What is the true solution to the equation below? 2 in e in2×-in e in 10×= in 30 A x=30 B x=75 C x=150 D x=300

hodyreva [135]

Answer:

Option B.

Step-by-step explanation:

Let as consider the given equation:

$2\ln e^{\ln 2x}-\ln e^{\ln 10x}=\ln 30$

It can be written as

$2(\ln 2x)-(\ln 10x)=\ln 30$ $[\because \ln e^a=a]$

$\ln (2x)^2-(\ln 10x)=\ln 30$ $[\because \ln a^b=b\ln a]$

$\ln \dfrac{4x^2}{10x}=\ln 30$ $[\because \ln \dfrac{a}{b}=\ln a-\ln b]$

$\ln \dfrac{2x}{5}=\ln 30$

On comparing both sides, we get

$\dfrac{2x}{5}=30$

Multiply both sides by 5.

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Divide both sides by 2.

$x=75$

Therefore, the correct option is B.

7 0

3 years ago

8 to the power of 2 x (2+6) / 4

inn [45]

Answer:

Below,...!

Step-by-step explanation:

$8^2 = 64\\64*(2+6) = 64*8\\64*8 = 512\\512/4 = 128\\\\Answer=128$

Chow,...!

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2 years ago