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Verdich [7]
2 years ago
7

If I have a 92,70,41 what's my average grade?

Mathematics
2 answers:
Alexandra [31]2 years ago
8 0

Answer: Around 67%

Step-by-step explanation:

92+70+41=203

203/3=67 2/3

Around 67%

Anton [14]2 years ago
6 0

Answer:

I think it's a 67.667

Step-by-step explanation:

1.Multiply each grade by the credits or weight attached to it

2. add all of the weighted grades together (or just the grades if there's no weighting)

3. divide the sum by the number of grades you added together

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Find the area of the shape shown below.
11111nata11111 [884]

Answer:

The area is 31.5

Step-by-step explanation:

first you find the area of the rectangle (l x w) = 21

next you find the area of the triangle (b x h x 1/2) = 10.5

then you add the two areas together = 31.5

good luck with your khan academies :)

4 0
3 years ago
An object is launched with a velocity at 64 feet per second from a platform 30 feet high. the function H(t)= -16t2+64t+30 repres
PolarNik [594]
To find the maximum or minimum value of a function, we can find the derivative of the function, set it equal to 0, and solve for the critical points.

H'(t) = -32t + 64

Now find the critical numbers:

-32t + 64 = 0

-32t = -64

t = 2 seconds

Since H(t) has a negative leading coefficient, we know that it opens downward. This means that the critical point is a maximum value rather than a minimum. If we weren't sure, we could check by plugging in a value for t slightly less and slighter greater than t=2 into H'(t):

H'(1) = 32

H'(3) = -32

As you can see, the rate of change of the object's height goes from increasing to decreasing, meaning the critical point at t=2 is a maximum.

To find the height, plug t=2 into H(t):

H(2) = -16(2)^2 +64(2) + 30 = 94

The answer is 94 ft at 2 sec.
4 0
3 years ago
1/2 X plus X -15+1/2 X +100+ X -25 equals 540
Andrew [12]

Answer:

1/2 X + X -15 + 1/2 X + 100 + X -25 = 540

1/2x + x + 1/2x + x -15 + 100 -25 = 540

3 x + 60 = 540

3x + 60 - 60 = 540 - 60

3/3x = 480/3

x = 160

Step-by-step explanation:

1/2 X + X -15 + 1/2 X + 100 + X -25 = 540

1/2x + x + 1/2x + x -15 + 100 -25 = 540

3 x + 60 = 540

3x + 60 - 60 = 540 - 60

3/3x = 480/3

x = 160

7 0
3 years ago
Write an expression for the calculation 2/3 times the sum of 2/8 and 4/8
zubka84 [21]
2/3(2/8 + 4/8) = 2/3(1/4 + 1/2)
2/3(3/4) = 1/2
5 0
3 years ago
A parabola intersects the x-axis at x = 3 and x = 9.
Novay_Z [31]

Answer:

6

Step-by-step explanation:

This function corresponds to 'even' function, then

in order to calculate the 'x' of the vertex: (3+9)/2=6.

3 0
3 years ago
Read 2 more answers
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