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LenKa [72]
3 years ago
5

Find the surface area of a sphere with radius, r= 12 in.

Mathematics
1 answer:
zvonat [6]3 years ago
8 0

1809.56

just plug it in the surface area formula of a sphere and do the math

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FIND THE AREA OF THE (RECTANGLE)
Thepotemich [5.8K]

Answer:

374

Step-by-step explanation:

A = l×w

A=17×22

A=374

4 0
3 years ago
Eric plays basketball and volleyball for a total of 95 minutes every day. He plays basketball for 25 minutes longer than he play
ioda

Answer:

Part A:

x+y= 95

x = y+25

Part B : 35 minutes

Part C : No

Step-by-step explanation:

  • Part A :

Eric plays basketball and volleyball for a total of 95 minutes every day

x+y= 95

Where:

x =the number of minutes Eric plays basketball

y= the number of minutes he plays volleyball  

He plays basketball for 25 minutes longer than he plays volleyball.

x = y+25

System:

x+y= 95

x = y+25

  • Part B:

Replacing x=y+25 on the first equation:

(y+25) + y =95

Solving for Y

y+25+y =95

25+2y=95

2y=95-25

2y=70

y = 70/2

y = 35 minutes

Part C : No

if x = 35

x+y= 95

35+y =95

y= 95-35

y = 60 minutes

Replacing y=60 on the other equation:

x = y+25

35 = 60+25

35 ≠85

5 0
3 years ago
Amanda is playing her new video game, Track Runner. At first, she earned 20 points for
Reika [66]

Answer: no the answer should have been -5 not 5 because Amanda lost more points than she gained

Step-by-step explanation:

20+(-25)=-5

5 0
2 years ago
Triangle PQR is reflected across a line, P = (4,–5), and P’ = (–4, –5). What is the line of reflection? the x-axis the y-axis th
Evgesh-ka [11]

For this case we have that the original vertex is given by:

P = (4, -5)

We apply the following transformation:

(x, y) (-x, y)

We have then:

(4, -5) (- (4), -5) (- 4, -5)

Therefore, we have a reflection on the y axis.

The point obtained is the vertice:

P '= (-4, -5)

Answer:

the line of reflection is:

the y-axis

3 0
3 years ago
Read 2 more answers
Do the ratios 8/ 5 and 11 /6 form a proportion?
nordsb [41]

Answer:

no they don't

hope this helps

have a good day :)

Step-by-step explanation:

4 0
3 years ago
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