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2 years ago

Solve the equation. −4x+3=19

Mathematics

2 answers:

algol132 years ago

7 0

Answer:

$\large\boxed{x=-4}$

Step-by-step explanation:

$-4x+3=19\qquad\text{subtract 3 from both sides}\\\\-4x+3-3=19-3\\\\-4x=16\qquad\text{divide both sides by (-4)}\\\\\dfrac{-4x}{-4}=\dfrac{16}{-4}\\\\x=-4$

nordsb [41]2 years ago

7 0

Step 1: Combine like terms ( 3 and 19) by subtracting 3 to both sides

-4x + (3-3) = 19 -3

-4x = 16

Step 2: Isolate x by dividing -4 to both sides

$\frac{-4x}{-4} =\frac{16}{-4}$

x = -4

Hope this helped!

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Step-by-step explanation:

We are given the following in the question:

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Standard deviation,σ = 2.8 years

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If large random samples are drawn from population with mean $\mu$ and standard deviation $\sigma$ , then the distribution of sample mean will be normally distributed with mean $\mu$ and standard deviation $\frac{\sigma}{\sqrt{n}}$

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3 years ago

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Answer:

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2 years ago

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Elena-2011 [213]

Answer:

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Step-by-step explanation:

d = rt

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