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kykrilka [37]
3 years ago
6

2x-y=10 y=-4x+2 substitution method

Mathematics
1 answer:
AlladinOne [14]3 years ago
5 0

Answer:

the solution is (2, -6)

Step-by-step explanation:

Substitute the second equation into the first, replacing y in the first:

2x - (-4x+2) = 10

Simplifying, we get:

2x + 4x - 2 = 10, or:

6x = 12, which yields x = 2.

Substituting 2 for x in the second equation yields y = -4(2) + 2 = 0, or y = -6

Then the solution is (2, -6).

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Jackson drops a pumpkin off a balcony from
VashaNatasha [74]

Answer:

t = 1.15 seconds.

Step-by-step explanation:

The pumpkin is dropped from the height of = 64 feet.

Now we have to find the time taken to reach the pumpkin on ground. Use the below formula to find the time taken.

H = ½ gt^2

H = height

g = 9.8 (always contant )

t = time taken.

Now insert all the values in the formula.

H = ½ gt^2

64 = ½ ×9.8× t^2

(64×2) / 9.8 = t^2

t = 1.15 seconds.

3 0
4 years ago
Solve the equation. Then check your solution. x+19=5
harina [27]

x+19 =5

rewrite as 5-19=x

x = -14

check: -14 +19 = 5


Answer is B -14

6 0
4 years ago
Write an equation of the line shown in the graph in slope intercept form (y = mx + b). Show
Lena [83]

Answer:

y = 2x - 2

Step-by-step explanation:

Points on graph: (4,6) and (2, 2)

<u>Slope:</u>

m=(y2-y1)/(x2-x1)

m=(2-6)/(2-4)

m=(-4)/(-2)

m = 2

<u />

<u>Slope-intercept:</u>

y - y1 = m(x - x1)

y - 6 = 2(x - 4)

y - 6 = 2x - 8

y = 2x - 2

8 0
3 years ago
Plzzzz help me on this
Grace [21]
Answer: 228 feet squared

How: To get the area of the entire field, multiply 25•36 to get 900. To find length of the area inside the path, you have to subtract 2 feet from both sides of 25, which is also 4 feet, to get 25-4=21. To find the width of the area inside the path, you have to subtract 2 feet from both sides of 36, which is also 4 feet, to get 36-4=32. You multiply 21•32 to get 672, which is the area of the field inside of the path. To find the area of the path, you subtract the total area of the field and the path together, which is 900, by 672 to get 228 feet squared.
7 0
3 years ago
Read 2 more answers
Triangle HIJ has coordinates H(-3,5), (8,2), and J(-3,-5). Find
Vlad1618 [11]

Answer:

H (x= -3 , y=5)

I (x=8 , y=2)

J (x= -3 , y= -5)

D is the distance between the 2 points so just plug in the x and y cords of each of the corresponding points

so for (HI)

you plug in 2 on the red x

and 8 on the red y

then -3 in the blue x

and 5 in the blue y

5 0
2 years ago
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