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3 years ago

How do i find the are and perimeter of the composite figure?

Mathematics

1 answer:

sineoko [7]3 years ago

7 0

Answer:

perimeter :

4+10+4+ (pi * radius) .........."radius =5"

area:

(10*4)+(0.5 * pi * r square)

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Sales tax in one state is 9%. What is the amount of tax on a $30.95 purchase?

Mars2501 [29]

Answer:

27850

Step-by-step explanation:

9/100 = x/30.95

9 x 30.95 = 278.5

278.5 x 100

3 0

3 years ago

2/3 times 3 times 2/7

fomenos

Answer:

4/7

Step-by-step explanation:

2/7 x 3= 6/7. 6/7× 2/3=4/7

7 0

2 years ago

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Divide. a.1 − 2i/2i b. 5 − 2i/5 + 2i c.√3 − 2i/−2 − √3i

Umnica [9.8K]

Answer:

(a) \frac{-1i}{2}-1[/tex]

(b) $\frac{20i+21}{29}$

Step-by-step explanation:

We have to perform division

(a) $\frac{1-2i}{2i}$

So after division

$\frac{1-2i}{2i}=\frac{1}{2i}-\frac{2i}{2i}=\frac{-1i}{2}-1$

(b) We have given expression $\frac{5-2i}{5+2i}$

After rationalizing $\frac{5-2i}{5+2i}\times \frac{5-2i}{5-2i}=\frac{(5-2i)^2}{25+4}=\frac{25+4i^2+20i}{29}=\frac{20i+21}{29}$

After rationalizing

$\frac{\sqrt{3}-2i}{-2-\sqrt{3i}}\times \frac{-2+\sqrt{3i}}{-2+\sqrt{3i}}=\frac{-2\sqrt{3}+7i+2\sqrt{3}}{7}=\frac{7i}{7}=i$

5 0

3 years ago

PLEASE HELP !!! CORRECT ANSWER GETS BRAINLIEST!!!!

shtirl [24]

Answer:

area of this circle: 490.6 inch²

Step-by-step explanation:

area of circle: π(radius)²

Here the diameter is given 25 inch, so the radius will be half: 25/2 → 12.5 in

using the formula:

3.14(12.5)²

490.625 inch²

490.6 inch²____rounded to nearest tenth.

8 0

2 years ago

Read 2 more answers

10 You work at a factory that bottles honey The factory bottles S250 gallons of honey into cup size bottles on average a ay How

erma4kov [3.2K]

Answer:

The factory bottles 4000 cups of honey a day.

Step-by-step explanation:

1 gallon = 16 cups

250 gallons = 4000 cups

Hope this helps!

8 0

3 years ago