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qwelly [4]
3 years ago
12

If the radius of a circle is increased by a factor of 5, the area increases by a factor of:

Mathematics
1 answer:
Darya [45]3 years ago
7 0

The area will be increased by 25. Option C

Step-by-step explanation:

Given,

The radius of a circle is increased by 5.

To find how much the area will be increased.

Let us take,

The original radius of the circle is = r

The original area = πr²

Again,

After increasing the radius = 5r

Then the area will be = π(5r)² = 25πr²

= 25( original area)

Hence,

The area will be increased by 25.

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kkurt [141]

Answer:

Part A: A  

Part B: A

Step-by-step explanation:

1)

the inequality should be less than or equal to, since we need to find how many are left

now, the answer B is wrong, since there can't be negative 56, since Xander collected some cans, though he still must collect a few

thus, the answer is A

2)

A again is correct, since it represents:c ≤ 56

B represents c ≥ 56

C represents c ≤ –56

D represents c ≥ -56

3 0
4 years ago
Andrea earns a flat fee of $20 per day plus an additional x dollars for each sale she makes. Andrea made 10 sales last Saturday
RUDIKE [14]
The correct answer is 6
7 0
4 years ago
What is the volume in cubic inches?
Fittoniya [83]

Answer

A) 2160 cubic inches

Step by step explanation

Volume of a rectangular prism = length *width*height.

The give figure (stairway) consists of two rectangular prism.

The volume of the first rectangular prism (bigger one) = 12 *10*12

=120*12

1 st prism = 1440 cubic inches

The volume of the rectangular prism 2 (smaller one) = 12*10*6

=120*6

The volume of the rectangular prism 2 = 720 cubic inches

The volume of the concrete stairway = Volume of the prism 1 + Volume of the prism 2

= 1440 + 720

The volume of the concrete stairway = 2160 cubic inches.

Thank you.

4 0
4 years ago
Is -37/17 equal to -10
algol [13]
No, it would be -2.176470588 or rounded to -2.18

i used a scientific calculator to get the answer 
8 0
3 years ago
Help me I need itttttt
Likurg_2 [28]

Answer:

C

Step-by-step explanation:

Domain is X (-2 to 3)

Range is Y (-1 to 4)

8 0
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