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Digiron [165]
3 years ago
11

Which represents the solution(s) of the graphed system of equations, y = x2 + 2x – 3 and y = x – 1?

Mathematics
1 answer:
aev [14]3 years ago
7 0

Answer:

y = -4/3 x=-1/3

Step-by-step explanation:

y = x2 + 2x – 3 and y = x – 1

y= (y + 1)2 + 2(y + 1) - 3 and x= y+ 1

y= 2y + 2 + 2y +2 and x= y+ 1

-3y = 4 and x= y+ 1

y = -4/3 and x = (-4/3) + 1 = -1/3

x2 is x squared or x multiplied by two

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Answer:

30 yellow m&m's

Step-by-step explanation:

5 0
2 years ago
What is the value of x in the figure?<br> (4x + 2)° 150° <br> A. 37<br> B. 60<br> C. 160<br> D. 237
marin [14]

Answer:

A.

(4x + 2) \degree = 150\degree \\ 4x = 148 \\ x = 37

8 0
3 years ago
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on the set of axes below, the vertices of triangle PQR have coordinates P (-6,7) Q (2,1) and R (-1,-3) what is the area of trian
VashaNatasha [74]

Answer:

Area of ΔPQR = 25 units

Step-by-step explanation:

We will use the following formula to calculate the area of triangle ΔPQR:

A = 1/2 | x₁(y₂-y₃) + x₂(y₃-y₁) + x₃(y₁-y₂) | = 1/2 |(-6(1+3) +2(-3-7) +(-1)((7-1)| =

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God with you!!!

3 0
3 years ago
Ml
Tanya [424]

Answer:

<em>The gold vein is  96 miles away from the farthest gold dust strike.</em>

Step-by-step explanation:

<u>Distance Between two Points in the Plane </u>

Given two points A(x,y) and B(w,z), the distance between them is:

d=\sqrt{(z-y)^2+(w-x)^2}

The prospector positioned the gold vein at  (-2,9) and the farthest gold dust strike at (94,9). We are required to calculate the distance between these two points. Use the formula:

d=\sqrt{(9-9)^2+(94-(-2))^2}

d=\sqrt{0^2+96^2}

d=\sqrt{96^2}=96

The distance is 96 units, but we know each unit on the graph represents 1 mile, thus the gold vein is 96 miles away from the farthest gold dust strike.

8 0
2 years ago
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Vika [28.1K]

Answer:

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http://www.alcula.com/calculators/statistics/mean-absolute-deviation/

Insert data and it will calculate the (MAD).

7 0
3 years ago
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