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Agata [3.3K]
3 years ago
6

Two students, Matt and billy , each calculated the volume of a spherical ball with a diameter of 15 centimeters. their work is s

hown below

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
8 0

Answer:

Matt made the error

Step-by-step explanation:

Matt used the diameter of the sphere instead of the radius.

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?? Y’all know what to put
marissa [1.9K]

B.  b(x) = (50x) - 150

C. f(x) was moved down 150 units


I hope this helps!

6 0
3 years ago
What percent of 400 is 260
postnew [5]
260/400=0.65
your answer will be 65%
6 0
3 years ago
How do I simplify this? Include steps.<br> <img src="https://tex.z-dn.net/?f=%20%28%5Cfrac%7B5i%5E3t%5E4%7D%7B7%7D%29-2%20%20%20
navik [9.2K]
Simplify the following:
(5 i^3 t^4)/7 - 2
i^3 = i^2×i = (-1) i = -i:
(5×-i t^4)/7 - 2
Put each term in (5 (-i) t^4)/7 - 2 over the common denominator 7:
(5 (-i) t^4)/7 - 2 = (-5 i t^4)/7 - 14/7:
(-5 i t^4)/7 - 14/7
(-5 i t^4)/7 - 14/7 = (-5 i t^4 - 14)/7:
Answer:  (-5 i t^4 - 14)/7
8 0
3 years ago
HELP WILL MARK BRAINLIEST Paul wants to paint all four of his basement walls . Each gallon covers 400 sq feet . The dimensions o
solmaris [256]

Answer:

Pual needs 3 gallons

Step-by-step explanation:

∵ The dimensions of the four walls are:

   25 × 8 , 30 × 8 , 25 × 8 , 30 × 8

∴ The area of painting = 2(25 × 8) + 2(30 × 8)

                                     = 400 + 480 = 880 square feet

∵ each gallon paint 400 square feet

∴ The number of gallons = 880/400 = 2.2, so he needs 3 gallons

8 0
3 years ago
A service attendant is paid time and a 1/2 for working over 40 hours per week last week. The attendant work 47 hours and earned
devlian [24]
Write and solve an equation:

Total earnings = $782.75 = s(40 hrs) + 1.5*s*(7 hrs)

Then 782.75 = 40s + 10.5s = 50.5s

Dividing both sides by 50.5:  s = 15.5.  The attendant's regular hourly wage was $15.50.
5 0
3 years ago
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