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e-lub [12.9K]
2 years ago
15

Simplify.

Mathematics
2 answers:
lana [24]2 years ago
6 0

Step-by-step explanation:

( \frac{3}{2}  )^{2}  + 4 \div 2 - 3 \\  \frac{3^{2} }{2 ^{2} }  + 4 \div 2 - 3 \\  \frac{9}{4}  + 4 \div 2 - 3 \\  \frac{9}{4}  + 2 - 3 \\  \frac{9}{4}  - 1 \\  \frac{9 - 4}{4}  \\  \frac{5}{4}

Deffense [45]2 years ago
5 0

Step-by-step explanation:

( \frac{3}{2} ) ^{2}  + 4 \div 2 - 3 \\  \frac{9}{4}  + 4 \div 2 - 3 \\  \frac{9}{4}  + 2 - 3 \\  \frac{9}{4}  - 1 \\  \frac{9 - 4}{4}  \\  \frac{5}{4}

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Find the diameter of the circle with the given circumference use 3.14 C=18
algol [13]
The formula for the circumference of a circle is pi * r * 2

First we solve for r (the radius)
pi*r*2 = C
pi*r*2 = 18

Divide 18 by 2
pi*r = 9

Then divide 9 by 3.14
pi= 9/3.14 which is 2.866

The diameter is 2 times length of the radius so multiply 2.866 by 2
The diameter is about 5.732
(And you can round of course)

Hope that helped
3 0
3 years ago
Drew invests $70.00. It earns 50% interest annually.
VladimirAG [237]

Step-by-step explanation:

50% interest annually.

that means he gets 50% interest of the invested capital every year.

and that means he gets 50% of $70 in one year.

70 = 100%

1% = 100%/100 = 70/100 = $0.70

50% = 1%×50 = 0.7 × 50 = $35

he will earn $35 interest in one year.

as you noticed: 50% simply means 1/2 (as 100% stands for the whole).

3 0
1 year ago
What do I put? I am having so much trouble with this.
jek_recluse [69]
12. \frac{3}{4} ,  \frac{9}{12}

13. \frac{4}{10} ,  \frac{4}{100}

16. \frac{3}{9} is already in simplest form.
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3 years ago
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Answer:

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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
What is 20% by 37 decreased
Ghella [55]

Answer:

<u><em>37 decreased by 20% is </em></u><u><em>29.6.</em></u>

Step-by-step explanation:

<u><em>To do this, what we do is simply </em></u><u><em>take 20% of 37 and subtract it from 37.</em></u>

<u><em>20% of 37.</em></u><u><em> A trick to easily figure this out is </em></u><u><em>multipling 37 by 20 and dividing by 100.</em></u>

<u><em>37*20 = 740</em></u>

<u><em>740 / 100 = 7.40</em></u>

<u><em>37 - 7.40 = 29.6</em></u>

<u><em>37 decreased by 20% is </em></u><u><em>29.6.</em></u>

6 0
2 years ago
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