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Eva8 [605]
3 years ago
5

How can graphing methods be used to solve a system of linear equations? •How can multiple representations of a system be graphed

?
Mathematics
1 answer:
alina1380 [7]3 years ago
6 0
You can graph multiple equations in one plot by merely superimposing them. You plot the x values against the corresponding y values. Usually, you are given an equation in this form y=f(x), where f(x) is a polynomial containing a variable of x. You assign arbitrary values of x, to get the y values and plot them together as one data point.

The point at which the graphs intersect each other is the solution of the problem.
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If r is ten more than the square root of l , then r = A) l2 + 10 B) (l + 10)2 C) l + 10 D) l + 10 E) l + 10
stiv31 [10]

Answer:

r=\sqrt {I}+10

Step-by-step explanation:

We first need to know the square root of I then add 10 on that square root since r is 10 more than the square root of I

Therefore,

r=\sqrt {I}+10

4 0
3 years ago
This is beginning review and i for got how to do it pls help me find what x=
ladessa [460]

Answer:

3(x−1)=18

Answer:

x=7

Step-by-step explanation:

\frac{3\left(x-1\right)}{3}=\frac{18}{3}

x-1=6

x-1+1=6+1

x=7

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3 years ago
Find the Center and the radius of the circle<br> x2 + y2 - 6x + 8y- 7 = 0.
777dan777 [17]

Answer:

C(3,-4), r=4*sqrt(2)

Step-by-step explanation:

C(p, q)

x^2+y^2+dx+ey+f=0

p=-d/2, q=-e/2, r^2=p^2+q^2-f

x^2+y^2 - 6x+8y-7=0

p=-(-6)/2=6/2=3

q=-8/2=-4

r^2=3^2 +(-4)^2+7

r^2=9+16+7

r^2=32

r=sqrt(32)

r=sqrt(16*2)

r=4*sqrt(2)

8 0
3 years ago
I need yalls help. I'll brainlist u n give 5 star let's see who'll get it right.​
Vikki [24]

Answer:

A) is 29.76 B) IS $54

Step-by-step explanation:

you have to times 24 x 24% = 5.76 then you add 24 + 5.76 =29.76

7 0
3 years ago
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BabaBlast [244]

Answer:

B

Step-by-step explanation:

4 0
3 years ago
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