3 years ago

Why is California at higher risk for earthquakes than North Dakota

Mathematics

1 answer:

IgorLugansk [536]3 years ago

7 0

California is at higher risks for earthquakes, because it near the Pacific Ocean

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The age of a father is two less than seven times the age of his son in two years the sum of their ages will be 57 if the son's p

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Answer:

$f = 7s -2$

$f + s =53$

Step-by-step explanation:

Given

Let

f = Father's age

s = Son's age

We'll solve this question, while reading through the instructions

From the first statement;

f is 2 less than 7 times s.

This means

$f = 7s -2$

In two years time, the father will be f +2 and the son will be s + 2

So, their sum is:

$(f+2) + (s + 2) = 57$

$f + 2 + s + 2 =57$

Collect like terns

$f + s =57-2-2$

$f + s =53$

So, the equations are:

$f = 7s -2$

$f + s =53$

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Twelve and eight hundred seventy three thousandths

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3 years ago

Find a formula for the general term an of the sequence assuming the pattern of the first few terms continues.

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Answer:

Step-by-step explanation:

$\frac{6}{3},~\frac{6}{9}~\frac{6}{27},~\frac{6}{81},~\frac{6}{243}=\frac{6}{3^1},~\frac{6}{3^2},~\frac{6}{3^3},~\frac{6}{3^4},~\frac{6}{3^5}~=>a_n=\frac{6}{3^n}$

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