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german
3 years ago
8

The first three steps in determining the solution set of the system of equations algebraically are shown.

Mathematics
2 answers:
jolli1 [7]3 years ago
8 0
Since both are equivalent to y, the equations must be equivalent.
x^2-x-3= -3x+5
x^2+2x-8=0

(x+4)(x-2)=0
x=-4, x=2

Plug the values of x in to either equation
y=-3(-4)+5
y= 12+5
y=17

y= -3(2)+5
y=-6+5
y=-1

Final answer: (-4,17) and (2,-1)
Viktor [21]3 years ago
4 0

Answer:

ayo the answer is C for ED

Step-by-step explanation:

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What is the function rule for the line
Sindrei [870]
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7 0
3 years ago
To find the distance around the circle?
11111nata11111 [884]

Answer:

Distance around the circle is perimeter.

Perimeter = radius * 2 * π = diameter * π

Step-by-step explanation:

π = constant =3.14

8 0
3 years ago
Read 2 more answers
Find the area of the circle to the nearest whole number, if necessary!
astra-53 [7]

Answer:

The circle has an area of about 1385 square mm.

Step-by-step explanation:

Let's recall that circles have an area that can be found with the following formula:

A=\pi r^{2}

where r is the radius of the circle.

Now, focus your eyes on the circle. We are shown that the diameter of this circle is 42 mm, but we only want the radius. Since the radius is half the diameter, the radius is 21 mm. Now, we can solve for the area of the circle.

A=\pi (21)^2\\A=441\pi \\A=1385.44236...

So, to the nearest whole number, the area of the circle is 1385 square mm.

5 0
2 years ago
What is the sum of twenty and thirty
bonufazy [111]
Fifty , 50 20+30=50, not sure if its asking much else

8 0
3 years ago
Read 2 more answers
Please answer. Thank you.
Aloiza [94]

Answer:

G.

Step-by-step explanation:

Graph shows constant change between the weight and the cost.

3/2.25 is 1.33333333

4/3 is 1.3333333

5/3.75 is 1.3333333 as well.

Others are not constant.

8 0
3 years ago
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