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aleksandrvk [35]
4 years ago
8

Solve it: x + 9 - 7 = 15

Mathematics
2 answers:
Anarel [89]4 years ago
5 0

Answer:

x = 13

Step-by-step explanation:

Rearrange: <em>x = 15 + 7 - 9, x = 13</em>

BARSIC [14]4 years ago
4 0

Answer:

X=2

Step-by-step explanation: First 9-7=2 then subtract 2 from both sides and you should be left with X=13

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A sandwich costs $5.45 and a soda costs $2.15. How much change will you get from a $10 bill? Hi
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$2.40

Step-by-step explanation:

5.45 + 2.15 = 7.60

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You make a scale drawing of a garden plot using the scale 2 in. = 17 ft. if the length of a row of vegetables on the drawing is
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  <em>    L = 25.5 ft</em>

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4 0
3 years ago
What is the balance after 15 years in a savings account that earns 2% interest compounded bimonthly when the initial deposit is
Ierofanga [76]

Answer:

$1348.07

Step-by-step explanation:

Hello!

<h3>Compound Interest Formula: A = P(1 + \frac rn)^{nt}</h3>
  • A = Account Balance
  • P = Principle/Initial Amount
  • r = Rate of Interest (decimal)
  • n = Number of times compounded (per year)
  • t = Number of Years

<h3>Given Information</h3>
  • Account Balance = ?
  • Principle Amount = $1000
  • Rate of Interest = 0.02

Why is the Rate 0.02?

This is because we are gaining money, so the multiplier should be greater than 1. We already added 1, which is 100% so you simply add the 0.02 for the extra 2%.

  • Number of times compounded per year = 6

This is because it is being compounded bi-monthly, or once every 2 months. 12 months divided by 2 months is 6 months, so 6 times a year.

  • Number of years = 15

<h2>Solve </h2>

Solve by plugging in the given values into the formula.

  • A = P(1 + \frac rn)^{nt}
  • A = 1000(1 + \frac {0.02}{6})^{6*15}
  • A = 1000(1 + 0.00333...)^{90}
  • A = 1000(1.00333...)^{90}
  • A = 1000(1.145743)
  • A \approx 1457.43

This is really close to the first option, and since there is rounding involved with the repeating decimal, the first option should be correct.

The answer is $1348.07.

3 0
2 years ago
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