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nydimaria [60]
4 years ago
11

What is the solution to the system of equations?

Mathematics
1 answer:
irina [24]4 years ago
4 0

Answer:

The solution is the point (6,-8)

Step-by-step explanation:

we have that

The first equation is y=(1/3)x-10 instead y=x-10

y=(1/3)x-10 -----> equation A

2x+y=4 -----> equation B

Solve the system of equations by substitution

Substitute equation A in equation B and solve for x

2x+[(1/3)x-10]=4

(7/3)x=14

x=6

Find the value of y

y=(1/3)(6)-10=-8

therefore

The solution is the point (6,-8)

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Solve for x<br> 3 (x – 4) = 12x
ira [324]

Answer:

<h2>-4/3</h2>

Step-by-step explanation:

3x-12=12x

-12=12x-3x

-12=9x

-12/9=x

-4/3=x

x=-4/3

4 0
3 years ago
Which of the following is equivalent to X2 - 8x - 7 = 0?
I am Lyosha [343]

Answer:

Part 1)   (the missing steps in the explanation)

Part 3) (8, 4); The vertex represents the maximum profit

Part 4) x = 3.58, 0.42

Part 5) x = 6, x = 44; The zeros represent the number of monthly memberships where no profit is made

Part 6) 2(x − 7)2 + 118; x = $7

Part 7) The maximum height of the puck is 4 feet. −(x − 4)^2 + 6

Part 8) (x + 3)^2 − 4

Part 9) 2(x − 1)^2 = 4

Part 10) 8(x − 4)^2 + 592

Step-by-step explanation:

3 0
4 years ago
Let f() = 3x - 1 and g(x) = 2x + 3 and find f(g(3))
Nadusha1986 [10]

Answer:

f(g(3)) = 26

Step-by-step explanation:

f(g(3))

g(3) = 2x + 3

= 2(3) + 3

= 6 + 3

= 9

f(9) = 3x - 1

= 3(9) - 1

= 27 - 1

= 26

6 0
3 years ago
Read 2 more answers
Which expression is equivalent to 6a + 15? A. 6(a + 5) B. 3(2a + 5) C. 3(3a + 12) D. 6(a + 12) PLEASE HELP :)
makvit [3.9K]
The answer is B

A. 6(a+5)
=6a+30 not equivalent to 6a+15
B.3(2a+5)
=6a+15 is equivalent
C.3(3a+12)
=9a+36 not equivalent
D.6(a+12)
=6a+72 not equivalent

So your answer is B
4 0
4 years ago
Read 2 more answers
Please no links I just need help ty
marusya05 [52]
C. 9x+4 should be the correct answer
3 0
3 years ago
Read 2 more answers
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