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Nikolay [14]
3 years ago
9

Y=x-6 3x + 2y=8 use the substitution method how to solve?

Mathematics
1 answer:
Gekata [30.6K]3 years ago
6 0
Substituting y=x-6 into the equation,

3x + 2(x-6) = 3x + 2x - 12 = 5x - 12

5x - 12 = 8
5x = 20
x = 4
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Find the value for x!!
kkurt [141]

Answer:

58

Step-by-step explanation:

360 degrees in a whole circle

360-294=66

66-26=40

x-18=40

40+18=58

5 0
3 years ago
Suppose y varies directly with x and y=72 when x=6. what direct variation equation relates x and y? what is the value of y when
scoundrel [369]
Y=12x
Check: 72=12(6)
             72=72
y=12x
y=12(10)
y=120
when x is 10 y is 120 

6 0
3 years ago
Read 2 more answers
in 1990, the value of a home is $170,000. Since then, its value has increased 5% per year. what is the approximate value of a ho
Gwar [14]

value of home in 1991= 105% of 170000

value of home in 1992= 105%×105% of 170000

value of home in 1993= 105%×105%×105% of 170000

=$196,796.25

3 0
3 years ago
9. Find the point of intersection of the lines: y = 4x + 1 and y = - 2x + 4 A. (2,9) B.(1/2,3) C. (1,2) D. (1/4,2)
Colt1911 [192]

Step-by-step explanation:

y = 4x + 1 and y = -2x + 4

4x + 1 = -2x + 4, 6x = 3, x = 0.5

When x = 0.5, y = 4(0.5) + 1 = 3.

The point of intersection is (0.5, 3). (B)

3 0
2 years ago
Read 2 more answers
rank has a circular garden. The area of the garden is 100 ft2. What is the approximate distance from the edge of Frank’s garden
Ray Of Light [21]

It is given that the area of the circular garden = 100 ft^2

Area of circle with radius 'r' = \pi r^2

We have to determine the approximate distance from the edge of Frank’s garden to the center of the garden, that means we have to determine the radius of the circular garden.

Since, area of circular garden = 100

\pi r^2 = 100

\frac{22}{7} \times r^2 = 100

r^2 = \frac{700}{22}

r^2 = 31.8

r = \sqrt{31.8}

So, r = 5.6 ft

r = 6 ft (approximately)

Therefore, the approximate distance from the edge of Frank’s garden to the center of the garden is 6 ft.

So, Option A is the correct answer.

7 0
3 years ago
Read 2 more answers
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