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3 years ago

Find the product. Simplify your answer. (9/4s) (9t/-1)

Mathematics

1 answer:

Scilla [17]3 years ago

4 0

Answer:

Improper fraction (-81t/ 4s)

Mixed number (-20 1/4) (t/s)

Step-by-step explanation:

Multiply the numerators

9(9t) = 81t

Multiply the denominators

4s* (-1) = -4s

Put the numerator over the denominator

81t / -4s

If they want the answer as an improper fraction -81t/4s

If they want a mixed number

81/4 = 20 with 1 left over

20 1/4

Then multiply by (-t/w)

(-20 1/4) (t/s)

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3 years ago

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3 years ago

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Answer correct you get brainliest answer

zloy xaker [14]

Answer:

$y = {x}^{2} - 2$

Or if you want with the value of h too.

$y = {(x - 0)}^{2} - 2$

Step-by-step explanation:

$y = a {(x - h)}^{2} + k$

Find the value of h and k by using the formula.

$h = - \frac{b}{2a} \\ k = \frac{4ac - {b}^{2} }{4a}$

From y = x²-2

$a = 1 \\ b = 0 \\ c = - 2$

Substitute these values in the formula.

$h = - \frac{0}{2(1)} \\ h = 0$

Therefore, h = 0.

$k = \frac{4(1)( - 2) - {0}^{2} }{4(1)} \\ k = \frac{ - 8}{4} \\ k = - 2$

Therefore, k = - 2.

From the vertex form, the vertex is at (h, k) = (0,-2). Substitute h = 0, a = 1 and k = -2 in the equation.

$y = a {(x - h)}^{2} + k \\ y = 1 {(x - 0)}^{2} - 2 \\ y = {(x)}^{2} - 2 \\ y = {x}^{2} - 2$

These type of equation where b = 0 can also be both standard and vertex form.

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3 years ago

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Answer:

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