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nevsk [136]
3 years ago
9

find the area of the figure below, composed of a rectangle and semicircle. Round it to the nearest tenth.

Mathematics
1 answer:
Alexandra [31]3 years ago
5 0

Answer:

Step-by-step explanation:

radius of semicircle = 5

area of semicircle = πr² = 25π

area of rectangle = 10×14 = 140

total area = 140 + 25π ≅ 218.54 square units

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Convert from Decimal Notation to Scientific Notation
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Answer:

Hence, 0.026 can be expressed as $2.6 \times 10^{-2}$.

Step-by-step explanation:

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Step 1 of 1

Consider 0.026

$$\Rightarrow 2.6$$

Decimal has moved 2 places to right.

The power will be negative as original no. is less than 1 .

$$\begin{aligned}&2.6 \times 10^{-2} \\&0.026=2.6 \times 10^{-2} .\end{aligned}$$

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2 years ago
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Eva8 [605]
The degree would be 120 degrees

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3 years ago
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Alecsey [184]

Answer:

77

Step-by-step explanation:

Hope this helps..

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6 0
2 years ago
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How much would $500 invested at 6% interest compounded monthly be worth after 4 years? Round your answer to the nearest cent
Rama09 [41]
1) Compound interest formula:
A = P(1+ \frac{r}{n}) ^{nt}**<span>
**A = amount, P = principal amount, r = rate, n = # of times interest is compunded every year, t = time(in years)
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7 0
3 years ago
Find the percent change from 72 to 80.
Liula [17]

Answer:

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Step-by-step explanation:

first find their differences

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secondly

set up a fraction to find the percentage change

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lastly

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