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Tpy6a [65]
2 years ago
6

2x – 6 ≥ 6(x – 2) + 8

Mathematics
1 answer:
Lerok [7]2 years ago
3 0
Just use photomath and stop using this app for math
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Kenny bought a new car stereo that cost $220, but he had a coupon for a 14% discount. How much did Kenny pay for the car stereo?
mrs_skeptik [129]
Kenny bought the stereo for $30.80
3 0
3 years ago
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

This y-value that we just found is our k-value.

Next, we are going to set up our equation in vertex form. As a reminder, vertex form is: y=a(x-h)^{2} +k

a: 1

h: 3

k: -25

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

Hope this helps!

3 0
3 years ago
What are the x and y values....?<br><br> -1x + 2y = 18 <br><br> Haylp me pls!
Nesterboy [21]
Use the zeroes to figure this out... x=-18, y=9
7 0
3 years ago
At the beach, Nardia collected triple the number of seashells that Pierre did. Together, they collected 52 seashells. Which equa
MrRa [10]

Answer:

13 seashells

Step-by-step explanation:

p=number of seashells pierre collected

p+3p=52

4p=52

p=13

13 seashells

7 0
3 years ago
Read 2 more answers
PLZZ HELP I NEED AN EXPERT ANSWER
Sav [38]
The equation of a line is y = mx + b


We know there is a b because the y intercept is not zero, so the first choice is wrong. We also know the last choice is wrong because this problem definitely has a slope (m).


The slope of the line of best fit seems to be closest to 3.25, meaning it goes up about that much for every one unit it goes to the right.


The second choice is correct.
6 0
3 years ago
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