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Natali [406]
2 years ago
9

Given the function, g(x) = 2x2 − 16x + 15 ,how do i find the axis of symmetry?

Mathematics
1 answer:
hichkok12 [17]2 years ago
6 0
You can factorise the function to get 2 (x^2 - 8x + 7.5) and then complete the square to get 2(x - 4)^2 - 17. Because this shows that the graph has been moved 4 units to the right, the axis of symmetry is x=4.
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zoe wrote 3/5 of her essay in 30 minutes. assuming she wrote the paper at a constant rate the entire time, which expression can
vodomira [7]
3/5 in 30 mins, 5*30=150, then she would write 3/150 or 1/50 each minute
6 0
3 years ago
Read 2 more answers
A ball is thrown in the air from a ledge. Its height in feet is represented by  f(x) = –16(x^2 – 5x – 6), where x is the number
leonid [27]
I believe your answer is 6 seconds.

Because the height of the ball = -16(x² - 5x - 6), when the height of the ball is 0, which is when it is on the ground, we can set -16(x² - 5x - 6) equal to 0. This also allows us to divide by -16, and then we can solve the equation:

x² - 5x - 6 = 0
(x - 6)(x + 1) = 0

So x = 6 or x = -1, and because a quantity of time cannot be negative, x would have to be 6, which means it takes 6 seconds for the ball to reach 0 feet.

I hope this helps!
6 0
3 years ago
Solve for w, where w is a real number.<br> √w+9=5
irga5000 [103]
If w is real then we need ignore negative sign and consider it as a mod value. So the answer will be 2
5 0
3 years ago
Find the length of a leg of a right triangle (in inches) if the other leg measures 9 in. and the hypotenuse measures 19 in. Roun
kipiarov [429]

Answer:

a = 16.733

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2 + b^2 = c^2

a^2 + 9^2 = 19^2

a^2 = 19^2 - 9^2

a^2 = 361-81

a^2 =280

Taking the square root of each side

sqrt(a^2) = sqrt(280)

a = 16.73320053

Rounding to the nearest thousandth

a = 16.733

5 0
3 years ago
Milan makes dollars for each hour of work. Write an equation to represent his total pay after working hours.
swat32

Answer:

p=9h

Step-by-step explanation:

7 0
3 years ago
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