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Black_prince [1.1K]
2 years ago
10

The arched interior is comprised of a semi-circle and a rectangle. The diameter of the semi-circle is 20 inches. The length of t

he rectangle is 30 inches. What is the area of the arched interior? Use 3.14 for π.
Mathematics
1 answer:
kicyunya [14]2 years ago
7 0

Step-by-step explanation:

A semicircle is a half circle. That means a semicircle will have half of the area of a circle. You might think that means it will have half the perimeter of a circle, but that is not true.

To make a semicircle, take any diameter of the circle. Remove one half of the circle along that diameter. You have a semicircle (half of a circle).

A semicircle is half the circumference of a full circle plus the diameter of a cricle,

(

d

)

:

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Please please please help me!!!<br>Both questions answer!
choli [55]

Answer:

#43: D

#44: 11

Step-by-step explanation:

#43-

1. 2x + 4 =K= 2x+22

place function together

2. combine like terms

2x+4=k=2x+22

-2x -2x

4=K= 22

-4 -4

3. gives you the answer

which is K = 18

#44 f(x) = 2/3x + 3 .....f(12)

1. place 12 un the equation

f(12) = 2/3 × 12 +3

2. f(12) = 8+3

3. f(12)= 11

This is the best I can do

3 0
3 years ago
a) If four cards are drawn from a standard deck of 52 cards and ARE replaced, what is the probability of getting at least one he
Vlad [161]

Answer:

The answer is B

Step-by-step explanation: because if you divide 52 by 2 and pick out the hearts then divide the hearts to get your answer


5 0
3 years ago
Emmett has $100 in a savings account. The interest date is 5% per year and is not compounded. How much interest will he earn in
astraxan [27]

Answer:

$25

Step-by-step explanation:

According to the scenario, computation of the given data are as follows,

Present value = $100

Interest rate = 5% per year

So, Total amount after 5 years = P (1+rt)

Where, P = present value, r = rate , t = time

So, total amount after 5 years = $100 ( 1 + (0.05 × 5))

= $100 × 1.25

= $125

Now interest earns = Total amount after 5 years - Present value

= $125 - $100

= $25

6 0
3 years ago
Each exterior angle of the regular n-gon has a measure of 3 degrees. How many sides does the polygon have?
RUDIKE [14]

Answer:

8 sides for this one

Step-by-step explanation:

hope this helps

4 0
3 years ago
Write the equation of a line with a y intercept of (5,0) that goes through the points (2,6) and (-1,12)
kodGreya [7K]

Answer:

it goes diagnoly

Step-by-step explanation:

because

7 0
3 years ago
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