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Mekhanik [1.2K]
2 years ago
14

Help me for brainlist no cap

Mathematics
2 answers:
Schach [20]2 years ago
7 0

Answer:

C

Step-by-step explanation:

So first, you find the area of a rectangle, which would be 15 * 30 = 450. Next, find the area of the semicircle by doing \pi *r^2 / 2 (you have to divide by 2 because it's only have a circle).

The radius is half of 15, so 15 / 2 = 7.5. This would be:

\pi * 7.5^2 / 2

=\pi * 56.25 /2

=28.125\pi

=28.125*3.14=88.3125

The last step is to add 450 + 88.3125 = about 538.3 m^2

CaHeK987 [17]2 years ago
7 0

Answer: B

Step-by-step explanation:

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Find the value of x.<br> A. 3<br> B. 9<br> C. 0<br> D. 12
GenaCL600 [577]

Answer:

x=3

Step-by-step explanation:

(segment piece) x (segment piece) =   (segment piece) x (segment piece)

3x(x+1) = 4x(x)

Divide each side by x

3x(x+1)/x = 4x(x)/x

3(x+1) = 4x

Distribute

3x+3 = 4x

Subtract 3x

3x+3-3x= 4x-3x

3 =x

6 0
2 years ago
Read 2 more answers
if hector ran 35.5 kilometers last week and 22.5 kilometers this week how many meters did he run over the last two weeks
meriva

Answer:

58000m

Step-by-step explanation:

he ran 35.5km+22.5km=58km

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8 0
3 years ago
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13. The numerator of a rational number is 3 less than the denominator. If the denominator is
g100num [7]

Fraction = 4/7

Step by step Explanation

Let the denominator be x.

Numerator = 3 less than denominator

denominator = x

Numerator = (x – 3)

Now, Adding 5 to denominator

adding 2 to numerator.

Numerator = (x – 3 + 2)

Denominator = (x + 5)

(x – 3 + 2)/(x + 5)

According to the question

 (x – 3 + 2)/(x + 5) = 1/2

(x – 1)/(x + 5) = 1/2

2(x – 1) = 1(x + 5)

2x – 2 = x + 5

2x – x = 5 + 2

x = 7

So,

=> Denominator x = 7

=> Numerator (x – 3) => (7 – 3) = 4

= > Fraction = 4/7

5 0
3 years ago
Blank minus 1/8 equals 1/2​
vagabundo [1.1K]

Answer:

5/8

Step-by-step explanation:

hope this helps you!!!!

8 0
3 years ago
Please help! And serious answers please
azamat

Answer:

I think  it is 10

Step-by-step explanation:

Well, there are 2 segment of 4 and 1 segment of 3, meaning it is about 10 away. (rounding to the nearest tenth)

7 0
3 years ago
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