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riadik2000 [5.3K]
3 years ago
15

Mrs. Mitchell decided to grade her projects by giving each student 50 points if they turned in a project and then an additional

5 points for each part they got correct. After looking through some of the projects, she decided to give the students 7 points for each correct section. If Mrs. Mitchell wrote a function to describe the situation, what would change?
Mathematics
1 answer:
photoshop1234 [79]3 years ago
6 0
Let c be the amount of parts the student answered correctly.  Suppose that s(c) is a function between c and the score of a student's project.  As the student initially receives a fixed 50 points for turning the project in and 5 points for each correct part, the function is initially:

s(c) = 5c+50

When the students receive 7 points for each correct part, the coefficient of c changes, as the amount of points received per correct answer increases.  Thus:

s(c) = 7c+50.
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Find a, b, and c please and thank u
aniked [119]
A= 80
b= 100
c= 100

a is the same as the 80° already shown and to get b you have to subtract 80 from 180
4 0
2 years ago
A kilobyte is 2^10 bytes and a megabyte is 2^20 . how many kilobytes are in a megabyte
tamaranim1 [39]

Answer:

1024

Step-by-step explanation:

so first you would do 2^10 and 2^20

2^10 = 1024

2^20 = 1048576

then you would just divide 1048576 by 1024

1048576 / 1024 = 1024

8 0
3 years ago
9 cm<br> 7 cm<br> 7 cm 9cm<br> 9 cm
Mrac [35]

Answer:

41

Step-by-step explanation:

7 0
2 years ago
Please help w/ #18 (10 points)
patriot [66]
Answer: y=-(1/8)x+(21/2)


Explanation:

The new equation’s slope needs to be perpendicular to y=8x-1

To get the new slope, we take the negative reciprocal of the slope from above

8 —> -1/8

Now we have y=-(1/8)x+b but it needs to pass through (4,10), so we need to find the value of b that makes this possible.

Since (4,10) is in the form of (x,y) we can plug in these values into the new equation to solve for b:

y=-(1/8)x+b
10=-(1/8)4+b
10=(-1/2)+b
b=(21/2)

Now put b back into the new equation

y=-(1/8)x+b

y=-(1/8)x+(21/2)






6 0
2 years ago
Forty students are In Science club. Of those 45% are girls. This percent increase 56% after new girls join the club. How many ne
stepan [7]
45% of 40 is 0.45×40=18 girls
if x girls join then 56% of 40+x is 0.56(40+x)=18+x
22.4+0.56x=18+x
put together like terms
4.4=0.44x
<span>x=10 girls joined</span>
8 0
3 years ago
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