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kvv77 [185]
3 years ago
8

Solve the system by substitution. y = -7x + 4 10x – 10y = 40​

Mathematics
1 answer:
zavuch27 [327]3 years ago
6 0

Answer:

point form

(1,-3)

equation form

x=1 y= -3

Step-by-step explanation:

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5 0
4 years ago
Which of the following binomials is a factor of x cubed plus 4 x squared plus x minus 6?
dusya [7]
The first thing we are going to do in this case is to rewrite the expression.
 We have then:
 x ^ 3 + 4x ^ 2 + x - 6
 Factoring the expression we have:
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 Therefore, we observe that the following binomial is a common factor:
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 Answer:
 
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7 0
3 years ago
Which graph can be used to find the solution for the equation 4x + 2 = x + 3?
Marat540 [252]

Answer:

option C

Step-by-step explanation:

to find the solution for the equation 4x + 2 = x + 3, graph the equations

y= 4x+2  and y=x+3

Lets make a table for each equation

x          y= 4x+2

-1          4(-1) + 2= -4+2 = -2

0           4(0) + 2= 2

1             4(1) + 2= 6

plot all the points on graph

Lets make table for second equation

x          y= x+3

-1          -1+3 = 2

0           0+3 = 3

1             1+3 = 4

Plot the point on the graph and make a line

option C is correct

8 0
3 years ago
Read 2 more answers
Log x = log 4 + 3<br> Plz explain how is it 4000<br> I need step by step plz
Zielflug [23.3K]

Answer:

4000

Step-by-step explanation:

The number "4" is the base and the number 3 is the scientific notation "10^3"

x=4x10^3=4000

5 0
2 years ago
What is the value of the unknown number in the verbal description five times the sum of 12 and a number is 80
sweet-ann [11.9K]
5 × (x + 12) = 80

5x + 60 = 80

5x = 20

x= 4
3 0
4 years ago
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