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stiv31 [10]
3 years ago
14

How much interest would $2,000 earn, with simple interest, in two years at therate of 4.2%?​

Mathematics
1 answer:
Anna [14]3 years ago
8 0

Answer:

$168

Step-by-step explanation:

The formula we'll use for this is the simple interest formula, or:

I=Prt

Where:

P is the principal amount, $2000.00.

r is the interest rate, 4.2% per year, or in decimal form, 4.2/100=0.042.

t is the time involved, 2....year(s) time periods.

So, t is 2....year time periods.

To find the simple interest, we multiply 2000 × 0.042 × 2 to get that:

The interest is: $168.00

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If the mean I.Q. is 100 and the standard deviation of I.Q. scores is 15, then an I.Q. of 130 will have a z score (or standard sc
skad [1K]

Answer: I.Q. of 130 will have a z score (or standard score) of 2.

Step-by-step explanation:

Let X be a random variable that represents the  I.Q. score.

Formula for Z-score : Z=\dfrac{X-mean}{standard \ deviation}

As per given, mean I.Q. = 100 and the standard deviation =15

For X = 130,

Z=\dfrac{130-100}{15}=\dfrac{30}{15}=2

So, I.Q. of 130 will have a z score (or standard score) of 2.

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The correct answer is A !
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3 years ago
Find the third angle of a right triangle if one of the angles measures 24.
allochka39001 [22]
In a right triangle, one angle should be a right angle, which means that angle should be 90°. Right angles are always 90°.

And in any triangle, the sum of the 3 interior angles should add up to 180°, this rule is always the same. Therefore, to find the third angle, we should simply subtract the angles we already know from the angle sum of triangle.

We can therefore list this equation:
Third angle = 180° - 24° - 90°
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Your answer should be 66°
5 0
3 years ago
Imagine we are throwing a five-sided die 50 times. on average out of these 50 throws how often would the five-sided die show an
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7 0
4 years ago
a triangle has a perimeter of 49 inches. the medium side is 7 more than the short side, and the longest side is 5 times the leng
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Short side length = x
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3 years ago
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