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AleksandrR [38]
3 years ago
6

HALP ME PLZZ ASAP NO LINKS

Mathematics
1 answer:
skad [1K]3 years ago
7 0

Answer:

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
If g(x) = −3x + 4, what is the value of g(−3)?<br> A. 13 <br> B. 5 <br> C. −5 <br> D. -13
Nady [450]
G(-3)=-3(-3)+4= -5
The g(-3)= -5
3 0
3 years ago
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Find the value of x that makes Triangle DEF~ triangle XYZ.
BartSMP [9]

Answer:

x = 4

Step-by-step explanation:

DE / XY = EF / YZ

5 / 10 = 2x-1 / 14

cross-multiply:

10(2x-1) = 14(5)

20x - 10 = 70

20x = 80

x = 4

8 0
3 years ago
Which complex number is equivalent to the given expression (2+I)(8-3i)-(23+34i)
DENIUS [597]

Answer: -4 - 32i                  

i just took this test

6 0
3 years ago
How do I find 1/4 of 52
Neporo4naja [7]

Answer:

13

Step-by-step explanation:

1/4 of 52 is actually telling us to multiply 1/4 by 52 over 1.

1/4×52/1

=13

5 0
3 years ago
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