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3 years ago

10

An airplane descends at a rate of 500 feet per minute.Write and evaluate an expression to show how far the plane will descend in

6 minutes.

1 answer:

Nataly_w [17]3 years ago

8 0

Answer:

500/6 min if I'm correct

Step-by-step explanation:

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Rewrite the function by completing the square (vertex form)<br><br> f(x)=x^2+16x-46

insens350 [35]

Answer:

$\large\boxed{f(x)=(x+8)^2-110}$

Step-by-step explanation:

$\text{The vertex form of equation}\ y=ax^2+bx+c:\\\\y=a(x-h)^2+k\\\\\text{We have the equation:}\\f(x)=x^2+16x-46=x^2+2(x)(8)-46=x^2+2(x)(8)+8^2-8^2-46\\\\\text{use}\ (a+b)^2=a^2+2ab+b^2\to x^2+2(x)(8)+8^2=(x+8)^2\\\\f(x)=(x+8)^2-64-46=(x+8)^2-110$

5 0

3 years ago

Determine whether F(x)=4x^2-16x+6 has a maximum or a minimum value and find that value

Reil [10]

Answer:

f(x) has a minimum value of -10.

Step-by-step explanation:

It will have a minimum value because the coefficient of x^2 is positive.

To find its value we convert to vertex form:

f(x) = 4x^2 - 16x + 6

= 4(x^2 - 4x) + 6

= 4[(x - 2)^2 - 4] + 6

= 4(x - 2)^2 - 16 + 6

= 4(x - 2)^2 - 10.

So the minimum value is -10.

5 0

2 years ago

Which ratio correctly compares 12 yd to 20 ft, when the lengths are written using the same units?

DedPeter [7]

The believe that the best answer among the choices provided by the question is the second choice "5 : 3".Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.

4 0

3 years ago

Tyshon’s age is 3 less than three times Cedric’s age. The sum of their ages is 57. How old is Tyshon?

Airida [17]

Let Cedric's age be c
tyshon= 3c-3
3c-3 +c =3c+c-3 = 4c-3
4c-3=57
4c=60
c=15
tyshon=15×3-3 = 42

8 0

3 years ago

512 as a power of a number

laila [671]

512 as a power of a number is X^512

8 0

3 years ago