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Nataly [62]
3 years ago
9

What is the area of a semicircle with a diameter of 14

Mathematics
2 answers:
Neporo4naja [7]3 years ago
8 0

Answer:

76.9690 square units (rounded off to four decimal values)

Step-by-step explanation:

The diameter of the semicircle is 14 units

The radius of the semicircle is thus 14 ÷ 2 = 7 units

Area of a semicircle is given by: \frac{1}{2} × π × r²

In our case, the area is = \frac{1}{2} × π × 7² = 76.9690200129  square units

Or 76.9690 square units (rounded off to four decimal values)

kondor19780726 [428]3 years ago
4 0

Answer:

24.5π

Step-by-step explanation:

i copied off the person below me and it was wrong so here is the right answer yall

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enot [183]

Answer: Subtituting CD =5 in AB + CD = JK

Step-by-step explanation:

Hi, to answer this question we have to analyze the information given:

• AB + CD = JK (equation 1 )

• CD = 5 (equation 2)

So, we simply have to combine the equations.

Substituting CD =5 in equation 1:

AB + CD = JK

AB+(5) =JK

Feel free to ask for more if needed or if you did not understand something.  

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3 years ago
On a recent quiz, Jan got 48 questions correct out of 60. What percent did she get correct?
Maru [420]

Answer:

80%

Step-by-step explanation:

\frac{48}{60} =0.8=\\ 80%

Hope this helps!

plx give brainliest

7 0
3 years ago
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zysi [14]

Answer:

1. 24

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Step-by-step explanation:

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2 years ago
Help pls!<br> simplify<br> -6 x^{2} ÷ 12 - 2(-7)<br><br> a. -17<br> b. 35<br> c. -35<br> d. 11
Mariana [72]

Answer:

11

Step-by-step explanation:

Given: \frac{-6^{2}}{12} -2(-7)

Using PEDMAS rule to solve it.

Now, simplifying:

We first open parenthesis which is (-7) = -7

= \frac{-6^2}{12}-2\times -7

Now, we evaluate the exponent which is -6^2=-36

Next, we divide -36 by 12 to get -3

= \frac{-36}{12}-2\times -7 \\= -3 -2\times -7

Next, we multiply -2 and -7 to get 14

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Lastly, we add -3 and 14 to get 11

= 11

∴ Answer is 11

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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