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Flura [38]
3 years ago
6

60 POINTS + BRAINLIEST

Mathematics
2 answers:
gladu [14]3 years ago
4 0

Answer:

why do the delete my answer

Nitella [24]3 years ago
3 0

Answer:

C

Step-by-step explanation:

By tracing the figure, we see that we go around a semicricle twice and go in a straight path twice. So the perimeter of this figure consists of two semicircles and two line segments, hence the answer is C.

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Calculate the area of a circle with a diameter of 6cm
USPshnik [31]
Formula for area of circle:
A=πr²
Here diameter, d= 6 cm
Radius, r= d/2 = 6/2 = 3 cm
Put values
A= 3.14 x 3²
A=3.14 x 9
A=28.26 cm²

Answer: 28.26 cm²

7 0
3 years ago
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Hi, can someone help me with this word problem... i struggle with word problems and can seem to figure this one out!
Kruka [31]
15) 1,054,850

16)5,226
(Sorry for my sloppy work but I used these steps to solve it)

3 0
3 years ago
Pls answer fast❗️❗️❗️
DochEvi [55]

Answer:

84

Step-by-step explanation:

do you want the solution?

7 0
3 years ago
Need help! Law of cosines...find b round to the nearest tenth please
dusya [7]
ANSWER

B = 27.8 \degree

EXPLANATION

The law of cosine is given by the formula:

{b}^{2} = {a}^{2} + {c}^{2} - 2bc \cos(B)

From the diagram,

a=17, b=8, c=16

We substitute the given values into the formula to obtain:

{8}^{2} = {17}^{2} + {16}^{2} - 2(17)(16)\cos(B)

64 = 289+ 256- 544\cos(B)


64 = 545- 544\cos(B)


64 - 545 = - 544\cos(B)

- 481 = - 544\cos(B)

\frac{ - 481}{ - 544} = \cos(B)

cos(B) = 0.88419

B = \cos ^{ - 1} (0.88419)

B = 27.8 \degree
3 0
3 years ago
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I don't understand this quadratic functions question please help.
djyliett [7]
I think it would be b
6 0
3 years ago
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