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mel-nik [20]
3 years ago
7

How many times does the graph of y = x2 – 8x + 12 intersect the x-axis?

Mathematics
2 answers:
Dima020 [189]3 years ago
8 0
It intersects 2 times
BigorU [14]3 years ago
5 0
2 times mejejehejwjjswhhwhwhwhwhw
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Im almost done with my last few khan academy assignments but i think i frogot how to do this one
Strike441 [17]

Answer:

x--------------y

4--------------2

8--------------3

12-------------4

Step-by-step explanation:

y = 1/4x + 1

We substitute the values under x into the equation

Equation 1: y = 1/4(4) + 1

Equation 2: y = 1/4(8) + 1

Equation 3: y = 1/4 (12) + 1

Let's solve for equation 1:

Equation 1: y = 1/4(4) + 1

y = 1/4(4) + 1

Multiply number in parenthesis

y = 1/4 * 4/1 + 1

1/4 and 4/1 turn into 1

y = 1 + 1

Add 1 to 1

y = 2

Let's solve for equation 2:

y = 1/4(8) + 1

Multiply number in parenthesis

y = 1/4 * 8/1 + 1

1/4 and 8/1 turn into 2

y = 2 + 1

Add 2 to 1

y = 3

Let's solve for equation 3:

y = 1/4 (12) + 1

Multiply number in parenthesis

y = 1/4 * 12/1 + 1

1/4 and 12/1 turn into 3

y = 3 + 1

Add 3 to 1

y = 4

So the table of values would be:

x--------------y

4--------------2

8--------------3

12-------------4

look at the graph        

3 0
2 years ago
Eric and four of his friends are taking a trip across the New York State thruway they decide to split the cost of tolls equally
Free_Kalibri [48]

Answer: Since 5 is an odd number each person would then have to pay 1.60 each.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Select the correct answer.
yulyashka [42]

Answer:

Option D is correct.

Volume=\frac{8}{27}\ cubic\ yard

Step-by-step explanation:

Let V be the volume of hay in each stack

Given:

Length of the each stack is \frac{2}{3}\ yard

And Jay stores hay in cubic stacks on his farm.

The volume of the cone is.

Volume\ of\ cone = (side)^{3}

Now, we substitute value of length of stack in above equation.

V=(\frac{2}{3})^{3}

V=\frac{2^{3}}{3^{3}}

V=\frac{8}{27}\ cubic\ yard

Therefore, the volume of hay in each stack is V=\frac{8}{27}\ cubic\ yard

3 0
3 years ago
Ralph has sliced a pizza using straight line cuts through the center of the pizza. the slices are not exactly the same size. Ral
Stels [109]

x=18 the angles are 36 and 54


6 0
3 years ago
Read 2 more answers
A car travels at 45 miles per hour how long did it travel in 4 hours?
wolverine [178]

Answer:

180 miles

Step-by-step explanation:

just multiple 45X4

7 0
3 years ago
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