Please use the pic thanks

Mathematics

2 answers:

ololo11 [35]2 years ago

5 0

Answer:

See Below

Step-by-step explanation:

Lets look at the numbers, 0.5 pounds, also known as lb, is $4.25

He spends $41.14 for beef.

First Step: Round the numbers 41.14 into 41.10, then 4.25 into 4.3

Second step: Divide 41.1 by 4.3 and get a massive answer in decimals. But you can round it to 9.6, so he buys 9.6 pounds of beef.

defon2 years ago

3 0

Answer:

4.84 pounds

Step-by-step explanation:

41.14 divided by 4.25 = 9.68 divided by 2 = 4.84

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Y=x^2-6x-16 in vertex form

satela [25.4K]

Answer:

$y=(x-3)^{2} -25$

Step-by-step explanation:

The standard form of a quadratic equation is $y=ax^{2} +bx+c$

The vertex form of a quadratic equation is $y=a(x-h)^{2} +k$

The vertex of a quadratic is (h,k) which is the maximum or minimum of a quadratic equation. To find the vertex of a quadratic, you can either graph the function and find the vertex, or you can find it algebraically.

To find the h-value of the vertex, you use the following equation:

$h=\frac{-b}{2a}$

In this case, our quadratic equation is $y=x^{2} -6x-16$ . Our a-value is 1, our b-value is -6, and our c-value is -16. We will only be using the a and b values. To find the h-value, we will plug in these values into the equation shown below.

$h=\frac{-b}{2a}$ ⇒ $h=\frac{-(-6)}{2(1)}=\frac{6}{2} =3$

Now, that we found our h-value, we need to find our k-value. To find the k-value, you plug in the h-value we found into the given quadratic equation which in this case is $y=x^{2} -6x-16$

$y=x^{2} -6x-16$ ⇒ $y=(3)^{2} -6(3)-16$ ⇒ $y=9-18-16$ ⇒ $y=-25$