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Afina-wow [57]
4 years ago
12

If x is a rational number and y is the opposite of x,why do x y have the same absolute value?

Mathematics
1 answer:
olga2289 [7]4 years ago
5 0
They have the same absolute value because all opposites have the same absolut value because they both are the same distance from zero
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Solve for x: 4 over x equals 5 over 10 8 9 20 40
Sati [7]

\frac{4}{x} =\frac{5}{10}   [4 over x equals 5 over 10]  

Solve for x, so you need to isolate/get x by itself in the equation.

\frac{4}{x} =\frac{5}{10}       Multiply x on both sides

(x)\frac{4}{x}=\frac{5}{10} (x)

4=\frac{5}{10} x       Multiply the inverse of 5/10, which is 10/5, to get rid of the fraction and get x by itself

(\frac{10}{5} )4=(\frac{10}{5} )\frac{5}{10} x

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22. Find the balance in an account with $900 earning 6.5% compounded<br> quarterly after 4 years
Helen [10]

Answer:

$1,164.80

Step-by-step explanation:

Lets use the compound interest formula provided to solve this:

A=P(1+\frac{r}{n} )^{nt}

<em>P = initial balance</em>

<em>r = interest rate (decimal)</em>

<em>n = number of times compounded annually</em>

<em>t = time</em>

<em />

First, we need to change 6.5% into a decimal:

6.5% -> \frac{6.5}{100} -> 0.065

Since the interest is compounded quarterly, we will use 4 for n. Lets plug in the values now:

A=900(1+\frac{0.065}{4})^{4(4)}

A=1,164.80

The balance after 4 years will be $1,164.80

3 0
4 years ago
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beks73 [17]
She needs to work 89 hours to have 1600
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3 years ago
Find the value of a that makes the statement true. 3^-1 divided by 3^4= 3^a <br> a=___
Firdavs [7]

3^-1 divided by 3^4 =

when dividing exponents with the same base, subtract the exponents

3^(-1-4)

3^-5

a=-5

Answer a=-5

7 0
3 years ago
Read 2 more answers
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