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Contact [7]
3 years ago
12

You put 10000 dollars in a simple interest account at a bank you will earn 1800 dollars in just 4 years what is the annual inter

est rate for the account
Mathematics
1 answer:
maxonik [38]3 years ago
3 0
R=i/pt=1800/10000*4=0.045*100=4.5%
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4y+2y+10=50 <br>show your work<br>​
denis23 [38]

Answer:

y = 20/3

Step-by-step explanation:

4y + 2y + 10 = 50

Combine like terms on the left side.

6y + 10 = 50

Subtract 10 from both sides.

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Divide both sides by 6.

y = 40/6

Reduce the fraction by dividing the numerator and denominator by 2.

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6 0
3 years ago
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kykrilka [37]

Answer:

0.01  =0.0001

Step-by-step explanation:

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3 years ago
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asambeis [7]
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Birth Weights Babies born after a gestation period of 32-35 weeks have a mean weight of 2600 grams and a standard deviation of 6
lukranit [14]

Answer:

The z-score for the 34-week gestation period baby is 0.61

Step-by-step explanation:

The formula for calculating a z-score is is z = (x-μ)/σ,

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σ is the population standard deviation.

We are told in the question that:

Babies born after a gestation period of 32-35 weeks have a mean weight of 2600 grams and a standard deviation of 660 grams. Also, we are supposing a 34-week gestation period baby weighs 3000grams

The z-score for the 34-week gestation period baby is calculated as:

z = (x-μ)/σ

x = 3000, μ = 2600 σ = 660

z = 3000 - 2600/660

= 400/660

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Use the matrix tool to solve the system of equations 5x+2y=1 and -x-y=-2
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Answer:

Step-by-step explanation:

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3 years ago
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