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liubo4ka [24]
3 years ago
10

EASY QUESTION PLEASE HELP

Mathematics
1 answer:
IgorC [24]3 years ago
4 0

Answer:

9x,2,8y

Step-by-step explanation:

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Emily wants to know the volume of a beach ball. She deduces that the beach ball has diameter of 12 inches, and then uses the fol
Over [174]

Answer:

D. She used the beach's ball's diameter when she should have used the radius

Step-by-step explanation:

To find the volume of the beach ball, using the volume of a sphere is the right formula to use, which is ⁴/3πr³.

The formula she used is correct.

Since the diameter of the ball is assumed to be 12 inches, what is needed to find the volume is the radius.

Radius (r) = ½(diameter) = ½(12) = 6 in.

This is where Emily made a mistake.

She used the diameter of the beach ball instead of its radius (r) which is needed in the equation.

She should have gotten,

V = ⁴/3(3.14)(6)² = 904.32 cubic inches

7 0
2 years ago
Inverse operation to squaring a number
Sliva [168]

Answer:

The inverse operation of squaring a number is finding the square root of a number. The square root cancels out the square. For example, 3² = 9. To cancel out the square, we have to take the square root. So, √9 = 3. Hope this helped.Step-by-step explanation:

4 0
3 years ago
58 is the difference of Janelle's height and 24.
abruzzese [7]

Answer:

Janelle's height is 82 units.

Step-by-step explanation:

Let j represent Janelle's height.

It is mentioned that, 58 is the difference between Janelle's height and 24.

Mathematically, we can write it as :

j-24 = 58

We can solve it as follows :

Adding 24 both sides,

j-24+24 = 58+24

j = 82

Hence, Janelle's height is 82 units.

3 0
2 years ago
If 45% of a number , e is 180 , what is 95% of e​
Sergeeva-Olga [200]

Answer:

380

Step-by-step explanation:

Find 1% of e:

180 / 45 = 4

Find 95% of e:

4 * 95 = 380

3 0
2 years ago
3100 people attended a basketball game. 682 of the people attending supported the home team, while 2418 supported the visiting t
Nataly [62]
I believe the answer is 22%
6 0
3 years ago
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