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Marina86 [1]
2 years ago
6

Need help with math pls 50 points and brainlest

Mathematics
1 answer:
kramer2 years ago
8 0

Answer:

I'm in the 13's section bro

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Consider the quadratic equations
Debora [2.8K]
Consider the two functions as
<span>y1(x) =3x^2 - 5x, 
y2(x) = 2x^2 - x - c

The higher the value of c, father apart the two equations will be.
They will touch when the difference, i.e. y1(x)-y2(x)=x^2-4*x+c has a discriminant of 0.
This happens when D=((-4)^2-4c)=0, or when c=4.
(a)
So when c=4, the two equations will barely touch, giving a single solution, or coincident roots.
(b) 
when c is greater than 4, the two curves are farther apart, thus there will be no (real) solution.
(c) 
when c<4, then the two curves will cross at more than one location, giving two distinct solutions.

It will be more obvious if you plot the two curves in a graphics calculator using c=3,4, and 5.


</span>
6 0
3 years ago
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Is a ratio always a rate?
kari74 [83]
No it is not always a rate that was easy
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2 years ago
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When bivariate data from a survey is graphed what is graph called ?
Vinvika [58]

Answer:

D

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Scatter plot (Use excel with any bivariate data you can find)

7 0
2 years ago
how to determine which quantity is independent and which quantity is dependent when considering a situation
KATRIN_1 [288]

An easy way to think of independent and dependent variables is, when you're conducting an experiment, the independent variable is what you change, and the dependent variable is what changes because of that. You can also think of the independent variable as the cause and the dependent variable as the effect.

I hope this helps!

7 0
3 years ago
A youth group is setting up camp. Rain is predicted, so the campers decide to build a fly, or rain cover, over their tent. The f
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The image for this is attached for reference. This problem can be used by the Pythagorean equation.  To make solving convenient, let us see only one part of the tent. Hence, one side is half of the tend width which is 16/2ft. Height is 12 ft. The unknown side is the hypotenuse. The answer is: 
a^{2} + b^{2}  = c^{2}    8^{2} + 12^{2}  = c^{2}   c = 14.4

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