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Vinvika [58]
3 years ago
10

HELP MY GRADE IS HORRIBLE

Mathematics
2 answers:
sp2606 [1]3 years ago
7 0

Answer for y-2x^2-8x+ 10 is -10

Artemon [7]3 years ago
6 0

Answer: 8

Step-by-step explanation:

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Veseljchak [2.6K]
Sorry fdont really no
3 0
3 years ago
A ceiling light has a cross-section in the shape of a parabola. The parabola is 24 cm wide and 9 cm deep. The lightbulb is locat
Sedbober [7]

Answer:

  4 cm

Step-by-step explanation:

The equation of a parabola with its vertex at the origin can be written as ...

  y = 1/(4p)x^2

The problem statement tells us that one point on the parabola is (x, y) = (12, 9). We can put these values into the equation and solve for p, the distance from the focus to the vertex.

  9 = 1/(4p)(12^2)

  9×4/144 = 1/p = 1/4 . . . . . . . . multiply by the inverse of the coefficient of 1/p

Then p = 4, and the bulb is 4 cm from the vertex.

4 0
3 years ago
If p=5 and q=6, evaluate the following expression:2p+3q/4​
suter [353]

Answer:

7

Step-by-step explanation:

Substitute in numbers : 2(5)+3(6) /4

Combine Like Terms : 10+18/4 = 28/4

Answer : 7

8 0
3 years ago
Help me wit this pls do now
Anna [14]

Answer:

  see below

Step-by-step explanation:

If x represents the number of dimes, then 2x will represent twice the number of dimes. This is the number of quarters, since there are twice as many quarters as dimes.

There are 6 more nickels than dimes, so the number of nickels is 6 more than x. It is (x+6).

If we use the monetary values in cents, then the total of all coins is ...

  25(2x) +10(x) + 5(x+6) = 485 . . . . . . matches choice D

4 0
3 years ago
Find the slope of the treadmill shown to the right
Nata [24]
There is no treadmill
6 0
3 years ago
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