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omeli [17]
3 years ago
13

what is the area of a circle with radius of 7cm using 3.14 for pi and round to he nearest tenth plz hurry

Mathematics
2 answers:
Sophie [7]3 years ago
5 0

Answer:153.9 cm

Step-by-step explanation:

The area of a circle is found by pi × radius squared and pi is aprox 3.14 so 3.15×7² = 153.86 then round off to the nearest tenth you get 153.9

Kisachek [45]3 years ago
4 0
153.9
U multiply the radius times pi times radius
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Question 4Multiple Choice Worth 3 points)
dedylja [7]

LENGTH=2/5

WIDTH=1/5

perimeter is 2l+2w

L=So 2/5 + 2/5 is 4/5

W=So 1/5 + 1/5 is 2/5

Answer is 4/5 + 2/5

Answer= 6/5 = 1 1/5

5 0
3 years ago
Help please need this answer
fredd [130]

Answer:

(5,4) is the solution

Step-by-step explanation:

2x + y = 14 --> y = -2x + 14

Substitute y = -2x + 14 into 3x - 2y = 7


3x - 2( -2x + 14) = 7

3x + 4x - 28 = 7

7x = 35

x = 5

y = -2(5) + 14

y = -10 + 14

y = 4

Answer (5 , 4)

7 0
3 years ago
Read 2 more answers
Help me please!..
AlexFokin [52]

Answer:

44 times

Step-by-step explanation:

There is a 50% (2/4) chance that this could occur, as given in the question.

88*.5 = 44.

8 0
3 years ago
The length of a rectangle is 24 units. Can the perimeter x of the rectangle be 60 units when its width y is 11 units? (1 point)
zlopas [31]
The first choice is correct. No, the rectangle cannot have x=60 and y=11 because x=48+2y.

Perimeter is x=2w+2y. Therefore x=2(24)+2(11) which equals 70 not 60.
7 0
3 years ago
Will mark brainliest! Answer quickly please.
inn [45]
1400kg.
Force=ma
2100N= m*1.5
2100/1.5= 1400kg.
Please mark me brainliest :)
3 0
2 years ago
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