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emmainna [20.7K]
3 years ago
15

If I got a 35% out of 20 questions and Im going to get half credit in the 13 problems I got wrong what is going to be my percent

going to end up being? The test was 40% of my grade.
Mathematics
1 answer:
dsp733 years ago
7 0

Answer:

Step-by-step explanation:

So since each question is 5% (100/20=5)

we can do ((13*5)/2) because of half credit we divide by two

now we get 32.5% back

32.5%+35%=67.5%

unless of course of extra points on other assignments, the highest grade you can get in that class (if every other thing is a 100%) is an 87 if im not mistaken.

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Nataly_w [17]
Hello person above

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5 0
2 years ago
The area of a triangle is 1,4440 cm^2. The base of the triangle is 5 times the height. What is the height of the triangle?
DochEvi [55]

Answer:

h = 24 cm

Step-by-step explanation:

The formula for area of a triangle is

A = (1/2)bh     where b is the base and h is the height.

We are told that the base is 5 times the height, this translates to

b = 5h, so we can rewrite our formula to

A = (1/2)(5h)(h)  or

A = (1/2)5h²

We are given A = 1,440, so plug that in and solve for h...

1,440 = (1/2)5h²

    2,880 = 5h²    (multiply both sides by 2 to get rid of the fraction)

      576 = h²    (divide both sides by 5 to get the h value by itself)

         24 = h     (take the square root of both sides)

3 0
3 years ago
The sum of 2 numbers us 19 and their didfference is 55 what are the two numbers
damaskus [11]
Let one no. be x.
then another no. = (19-x).
x - (19 - x ) = 55
2 x - 19 = 55
x = 37
another no. = 19 - 37 = -18

Can you follow me and like me please? I hope i can help you more.☺
4 0
3 years ago
If you rent a car for one day and drive it for 100 miles, the cost is $40.00. If you drive it 220 miles, the cost is $46.00.
attashe74 [19]

Now, if x = 300 miles, then

y= 1/20*300 + 35

y = 15 + 35

y = 50, therefore it would cost $50.00 to drive the rental car 300 miles.


7 0
3 years ago
What is the domain of y equals the square root of 4x
pshichka [43]
X>_ 0
If you don’t understand that then x is greater than or equal to 0
4 0
2 years ago
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