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FinnZ [79.3K]
4 years ago
12

HELP FAST PLEASE! FOR BRAINLIEST!!

Mathematics
1 answer:
Gekata [30.6K]4 years ago
4 0

Answer:

1. C-surface area

2. The formula V = B x h is not suitable, because the surface area of wrapping paper needed to be calculated, not the volume.

V = Ph + 2B = 15x(5+6+9) + 2x 9x3/2 = 327

3. B: Base area

   H: Height of solid

4. She said V =220, while V_real = 7x6x4 =168

=> She is wrong

5. Check the Pythagorean theorem 3^2+4^2 =9+16 =25 =5^2

=> Right triangle.

=> Area = 3x4/2 =6

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V125BC [204]

Answer:

D

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5 0
3 years ago
What is the rate of change (as a %) if the number of employees in a company decreases from 136 to 84?
Law Incorporation [45]

Answer:

38.2%

Step-by-step explanation:

Given data

Initial number= 136

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%dcrease= initial-final/initial*100

%dcrease= 136-84/136*100

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%dcrease=0.382*100

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5 0
3 years ago
The edge of a cube whose volume is 1728 cm 3
mamaluj [8]

Answer:

12 cm

Step-by-step explanation:

This would be the cubic root of 1728

=  12 cm

( 1729 is known as Ramanajan's number. Look it up - it's interesting)

3 0
4 years ago
An airplane descends 1.9 miles to an elevation of 6.85 miles. Find the elevation of the plane before its descent.
Lostsunrise [7]

Answer:

8.75 miles.

Step-by-step explanation:

1.9 miles + 6.85 miles = 8.75 miles.

4 0
4 years ago
Which fraction shows the probability that lily will flip a heads, a tails, and then heads
schepotkina [342]

Answer:

d, 1/6

Step-by-step explanation:

so i did a diagram of some sorts to do this and got around six possible outcomes.

h is heads, t is tails.

h-h-h

t-t-t

h-t-h

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h-h-t

feel free to correct me if any of this is wrong.

5 0
3 years ago
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