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Tresset [83]
3 years ago
13

Let f(x)=x^2+5x-36. Enter the x-intercepts of the quadratic function in the boxes.

Mathematics
1 answer:
Kipish [7]3 years ago
8 0

Answer:

X Intercepts: (4,0) and -9,0

Step-by-step explanation:

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X+2y=-1 and 4x-4y=20 solve by substitution
Illusion [34]

To do this problem you would first need to factor out a variable, which in this case I would want to do the first equation because it is isolated. Now the equations would look like this:

x = -2y - 1

4x - 4y = 20

Since we know that x is now equal to -2y - 1 we can plug it in to the x value in the second equation:

4 (-2y -1) - 4y = 20

-8y -4 - 4y

-12y - 4 = 20

-12y = 24

y = -2

Now that we know the y value plug the y value to one equation to find the x, I will be using the first equation

x + 2(-2) = -1

x - 4 = -1

x = 3

Solutions:

y = -2

x = 3

8 0
3 years ago
A pair of shoes are on sale for 5/12 of the original price if the original price was $120 what is the sale price
NeX [460]

$50

the sale price is \frac{5}{12} × $120

\frac{5(120)}{12} = $50

6 0
3 years ago
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Choose any four consecutive even numbers. (For example: 6, 8, 10, 12). Multiply the two middle numbers together. (e.g. 8 x 10 =
Ludmilka [50]

Answer:

Step-by-step explanation:

let the consecutive even numbers be  2n-2,2n,2n+2,2n+4 where n>0 and n is an integer.

2n(2n+2)-(2n-2)(2n+4)

=4n²+4n-(4n²+8n-4n-8)

=4n²+4n-4n²-8n+4n+8

=8

6 0
3 years ago
Isaac has 5 3/7
ICE Princess25 [194]
10.86 cups I believe
7 0
3 years ago
Solve & Justify 3(5x + 1) = 18x
Natalija [7]

Answer:

x=1

Step-by-step explanation:

First you distribute the 3 to 5x and 1 to get 15x+3=18x

Then you subtract 15x from 18x and get 3x

Lastly you divide 3 by 3 to separate the 3 and x and get x=1.

6 0
3 years ago
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