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DanielleElmas [232]
2 years ago
14

3/8 (c+8) = -3/2 I need help with this

Mathematics
1 answer:
Delvig [45]2 years ago
4 0

Answer:

c = -12

Step-by-step explanation:

Solving for a variable with fractions can sometimes seem difficult, but getting rid of the fractions first will help.  In order to get rid of a fraction, you can multiply by its reciprocal on both sides of the equation.  The reciprocal is the opposite form of the fraction where the numerator becomes the denominator and the denominator becomes the numerator.  For example:

\frac{3}{8}*\frac{8}{3}=\frac{24}{24}=1

So, the recriprocal of \frac{3}{8} is \frac{8}{3}

Start by multiplying both sides of the equation by \frac{8}{3}:

(\frac{8}{3})(\frac{3}{8})(c+8) = \frac{-3}{2}(\frac{8}{3})

c + 8 = \frac{-24}{6}=-4 or c + 8 = -4 so c = -12

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At the beginning of year 1, Bode invests $250 at an annual simple interest rate of 3%. He makes no deposits to or withdrawals fr
Dennis_Churaev [7]
The initial investment = $250
<span>annual simple interest rate of 3% = 0.03
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Let the number of years = n
the annual increase = 0.03 * 250
At the beginning of year 1 ⇒ n = 1 ⇒⇒⇒ A(1) = 250 + 0 * 250 * 0.03 = 250

At the beginning of year 2 ⇒ n = 2 ⇒⇒⇒ A(2) = 250 + 1 * 250 * 0.03
At the beginning of year 3 ⇒ n = 3 ⇒⇒⇒ A(2) = 250 + 2 * 250 * 0.03
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∴ <span>The formula that can be used to find the account’s balance at the beginning of year n is:
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A(n) = 250 + (n-1)(0.03 • 250)
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