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FinnZ [79.3K]
3 years ago
13

Find the Area of the figure below, composed of a rectangle and a semicircle. There radius of the circle is shown. Round to the n

earest tenths place.

Mathematics
1 answer:
DochEvi [55]3 years ago
5 0

Answer: 149.3

Step-by-step explanation:

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ttd2

Step-by-step explanation:

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H(x) = -4x – 4; Find h(3x)<br><br> please help, I’m confused if it’s -4•3•3 or not
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Im really sprry i do not know tgis but good luck!!

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3 years ago
The sum of reciprocals of rehman’s ages 3 years ago and 5 years from now is 1/3. Find his present age
Afina-wow [57]

Answer:

His age is 7 years.

Step-by-step explanation:

Let Rehman's  present age be x years.

1 / (x - 3) + 1 /(x + 5) = 1/3

Multiply through by the LCD 3(x - 3)(x + 5):

3(x + 5) + 3(x - 3) = (x + 5)(x - 3)

3x + 15 + 3x - 9 = x^2 + 2x - 15

x^2 + 2x - 6x - 30 + 9 = 0

x^2 - 4x - 21 = 0

(x - 7)(x + 3) = 0

x = 7  (answer).

6 0
3 years ago
WHAT IS THE SQUARE ROOT OF 400
snow_tiger [21]
The square root of 400 is 20
7 0
3 years ago
Read 2 more answers
A company produces x units of a product per month, where c(x) represents the total cost and r(x) represents the total revenue fo
Nat2105 [25]

Answer:

The total profit P(x) or the month is P(x)=-0.5x^2+500x-350.

Step-by-step explanation:

A company produces x units of a product per month.

The total cost represents by the function C(x).

C(x)=300x+250

The total revenue represents by the function R(x).

R(x)=-0.5x^2+800x-100

The profit is the difference between revenue and cost.

P(x)=R(x)-C(x)

P(x)=-0.5x^2+800x-100-(300x+250)

P(x)=-0.5x^2+800x-100-300x-250

Combine like terms.

P(x)=-0.5x^2+(800x-300x)+(-100-250)

P(x)=-0.5x^2+500x-350

Therefore, the total profit P(x) or the month is P(x)=-0.5x^2+500x-350.

5 0
3 years ago
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