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Katarina [22]
3 years ago
7

Could anybody help with this question? My teacher didn’t give a review so I’m not sure what to do. Any help is appreciated!

Mathematics
1 answer:
Allisa [31]3 years ago
8 0

Answer: 6

Step-by-step explanation: set the equations equal to each other then solve. plug that number into the equation for AB

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I provided the answers I just need you to show work. I’ll even mark you the Brainliest!
Sindrei [870]

The intercepts and the graph on your worksheet are not correct. Please see below for details:

x^2-2x-3=0 has solutions at x=-1 and x=3 (use the quadratic formula to solve). That means these are the x-intercepts, namely points:

(-1,0) and (3,0).

The y-intercept comes from setting x=0 and calculating the y value:

y=0^2-2\cdot0-3=-3

so the y-intercept is (0,-3).

Now to the graph: Based on the form of the function we can see this is a quadratic function and its graph will be a parabola. You can reformat the expression in the following form

y = x^2-2x-3=(x-1)^2-4

and that will indicate that the apex of the parabola (open up) will be at the point (1,-4).

Knowing the apex, the x intercepts, and the y intercept, we can graph it now.

Graph is in the image attached.

6 0
3 years ago
Melissa has 350 in her savings account. she decides that she will put the same amount of money each month into her account.Her g
Ray Of Light [21]
C = 350+xm 
mc=350+x 
m = (350+x)/c
7 0
3 years ago
A rectangular prism with a volume of 400 cubic centimeters has the dimensions x + 1 centimeters, 2x centimeters, and x + 6 centi
sammy [17]
The answer is D:10 cm, I just took it and got this.
4 0
3 years ago
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There are 4 boxes of 100 sheets of paper and some single sheets of paper in the closet . Choose all the numbers that show how ma
aleksandrvk [35]
406 and 411 because there is at least 400 sheets because of the 4 boxes of 100 so there would have to be more than 400 because of the loose sheets
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3 years ago
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Factor the polynomial by finding the greatest common factor 25m^7n^3+10m^4n^3-30m^3n^3
ioda

Answer:

5 m ^3 n^3 ( 125 m^ 4 + 2 m − 6 )

Step-by-step explanation:

6 0
3 years ago
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