$n-2=10n+42\qquad\text{add 2 to both sides}\\\\n=10n+44\qquad\text{subtract 10n from both sides}\\\\-9n=44\qquad\text{divide both sides by (-9)}\\\\\boxed{n=-\dfrac{44}{9}}$

8 0

3 years ago

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What is the value of k in the equation below

Dima020 [189]

Answer:

Step-by-step explanation:

5k-2k=12

3k=12

k=4

5 0

3 years ago

The decay constant of a radioactive element is -0.533 per minute. If a sample of the element weighs 50 grams, what will be its w

Stels [109]

$y=50e^{-0.533\times2}\approx17.2192\text{ g}$

7 0

3 years ago

Whats the area in red?​

Whats the area in red?