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Lerok [7]
3 years ago
9

Which of the statements is true for the two equations below?

Mathematics
1 answer:
monitta3 years ago
4 0

Equation A:

6 + 3x = 3x - 3    

This equation has no solution, no matter what number you plug into the equation, it will never = each other

[if you tried simplifying more]

9 + 3x = 3x         (added 3 on both sides, then subtracted 3x on both sides)

9 = 0

Equation B:

2(4x - 1) = 8x - 2      Distribute/multiply 2 into (4x - 1)

(2)4x - (2)1 = 8x - 2

8x - 2 = 8x - 2      

This will have an infinite number of solutions because whatever number you plugged in, they would always = each other since they are the same on both sides of the equation

[simplified]

8x = 8x       (add 2 on both sides, then divide 8 on both sides)

x = x

Your answer is A

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Please help answer this
Colt1911 [192]

For this case we have that given two functions, f (x)and g (x), then(f-g) (x)is given by:

(f-g) (x) = f (x) -g (x)

So:

f (x) = - x ^ 2 + 6x-1\\g (x) = 3x ^ 2-4x-1

We have to:

(f-g) (x) = - x ^ 2 + 6x-1- (3x ^ 2-4x-1)\\(f-g) (x) = - x ^ 2 + 6x-1-3x ^ 2 + 4x + 1\\(f-g) (x) = - 4x ^ 2 + 10x\\

Answer:

(f-g) (x) = - 4x ^ 2 + 10x

Option C

5 0
3 years ago
Read 2 more answers
G 1) a2 + 3a – 40 = 0 .<br> solving quadratic equations
QveST [7]

Answer:

The solution set is {-8, 5}.

Step-by-step explanation:

a^2 + 3a – 40 = 0 .

We need 2 numbers whose product is  -40 and whose sum is +3.

They would be + 8 and - 5, so we have the factors:

(a + 8)(a - 5) = 0

Now either a + 8 = 0 or a - 5 = 0, so:

a = -8 or 5.

5 0
3 years ago
How many solutions exist for the given equation?
grin007 [14]

Answer:

One

Step-by-step explanation:

(x + 12) = 4x - 1

x + 12 = 4x - 1

12 = 3x - 1

13 = 3x

x = 13/3 = 4.3333333...

Since x only has one value, only one solution exists for the equation.

3 0
2 years ago
6= 5r - 14<br> What are the steps you would use to solve the equation?
gregori [183]
6 = 5r - 14
6 + 14 = 5r
20 = 5r
r = 4
7 0
2 years ago
The sixth term is 22 and the common difference is 6 what is the 15th term?
matrenka [14]

Answer:

76

Step-by-step explanation:

I made a chart to simplify it

1 | -8

2| -2

3| 4

4| 10

5| 16

6| 22

7| 28

8| 34

9| 40

10| 46

11| 52

12| 58

13| 64

14| 70

15| 76

5 0
3 years ago
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