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Nezavi [6.7K]
3 years ago
11

What is the order, from narrowest to widest graph, of the quadratic functions f(x) = –10x², f(x) = 2x², f(x) = 0.5x²?

Mathematics
1 answer:
Korvikt [17]3 years ago
6 0

Answer:

From narrowest to widest graph, the order is f(x) = –10x², f(x) = 2x², f(x) = 0.5x²

Step-by-step explanation:

I graphed the functions below

f(x) = –10x² is the black line, f(x) = 2x² is the red line, and f(x) = 0.5x² is the blue line.

If this answer is correct, please make me Brainliest!

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How do you write 11/25 as a percentage?
Mandarinka [93]

Answer:

44%

Step-by-step explanation:

11/25 =0.44

0.44 = 44/100 = 40%

         11x4 =44

       25x4=100

6 0
2 years ago
Read 2 more answers
Angles A and B are located in the first quadrant such that sinA= 7/25 and cosB = 5/13. Determine the exact value for cos (A-B).
fomenos

Answer:

  204/325

Step-by-step explanation:

You can work this a couple of ways. We expect you are probably expected to use trig identities.

  cos(A) = √(1 -sin²(A)) = 24/25

  sin(B) = √(1 -cos²(B)) = 12/13

cos(A -B) = cos(A)cos(B) +sin(A)sin(B) = (24/25)(5/13) +(7/25)(12/13)

  = (24·5 +7·12)/325

cos(A -B) = 204/325

__

The other way to work this is using inverse trig functions. It is necessary to carry the full calculator precision if you want an exact answer.

  cos(A -B) = cos(arcsin(7/25) -arccos(5/13)) = cos(16.2602° -67.3801°)

  = cos(-51.1199°) ≈ 0.62769230 . . . . (last 6 digits repeating)

The denominators of 25 and 13 suggest that the desired fraction will have a denominator of 25·13 = 325, so we can multiply this value by 325 to see what we get.

  325·cos(A-B) = 204

so, the exact value is ...

  cos(A -B) = 204/325

8 0
3 years ago
5y-intercept = -5Slope =T3'DO
svp [43]

Answer:

T3 = 30

Step-by-step explanation:

9x + 3y - 6z = 18. 6. 3x-5y+10z= 15.

10x + 4y+5z = 20

3 0
2 years ago
Use the diagram to identify the corresponding sides of the congruent triangles.
DerKrebs [107]

Answer:

DE,BC,FD

Step-by-step explanation:

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3 years ago
Read 2 more answers
I need help does someone know the answer
Whitepunk [10]

Answer:

112

Step-by-step explanation:

3 0
2 years ago
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