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nignag [31]
3 years ago
11

Hi if you have a 65% grade can a 80% bring it up to a C 70%

Mathematics
2 answers:
Korolek [52]3 years ago
6 0

Answer:

Not a 70%, but a 72.5% (or a 73%)

Step-by-step explanation:

Assuming that the 65% is the first grade and the 80% is your second, adding both numbers and dividing by 2 will get you 72.5%.

The best possible grade you can get from that 65% is an 82.5%, or 83% if you round the grade up. 100+65=165÷2 will get you 82.5.

swat323 years ago
5 0
Yes it should bring it up to a C or maybe it will be a 70 or 75
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Ganezh [65]

Answer:400 miles per hour

Step-by-step explanation:

Let w = speed at which the plane travelled west

Let s = speed at which the plane travelled south

Distance moved in 5 hrs heading west = 5*w = 5w

Distance moved in 4 hrs heading south = 4*s = 4s

Total distance, 3444= 5w + 4s

w = s + 39( 39 miles/hr faster)

5(s+39) + 4s = 3444

5s + 195 + 4s = 3444

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s = 361 miles per hour

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4 0
3 years ago
A sphere with a circumference of 42" has the volume of what
marissa [1.9K]
<span>263.894 is the answer</span>
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3 years ago
I don’t know what the answer is and i need help please !
Lera25 [3.4K]

Answer:

the answer to this question is 6/5

8 0
3 years ago
The stream of water from a fountain follows a parabolic path. The stream reaches a maximum height of 12 feet, represented by a v
tia_tia [17]

Answer:

y=-3/16(x-8)^2+12

Step-by-step explanation:

Refer to the vertex form equation for a parabola:

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8 0
3 years ago
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