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sweet [91]
2 years ago
15

Which expression is equivalent to 6(7x – 9)?

Mathematics
2 answers:
Amiraneli [1.4K]2 years ago
6 0

Answer:

C

Step-by-step explanation:

42x-54

Anika [276]2 years ago
6 0

Answer:

The answer is C

Can i get a brainliest?

Step-by-step explanation:

6(7x−9)

=(6)(7x+−9)

=(6)(7x)+(6)(−9)

=42x−54

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I feel like it’s C but I need gel to make sure it’s right help please I can’t really get any wrong on this
Flauer [41]
The answer is D.  It does not satisfy the second equation because 0 is not greater than 1.
4 0
3 years ago
Select the correct answer.
zhannawk [14.2K]
You have a good day and good luck on that question
8 0
3 years ago
I need help with 5-9
Goryan [66]

Answer:

5) x = 1, y = -3

6) x = -20, y = 2

7) infinite solutions

8) no solutions

Step-by-step explanation:

5)

y = 5x - 8

y = -6x + 3

5x - 8 = -6x + 3

11x = 11

x = 1

y = 5 - 8

y = -3

6)

2x + 10y = -20

-x + 4y = 28

2x = -20 - 10y

x = - 10 - 5y

-x = 28 - 4y

x = -28 + 4y

-10 - 5y  = -28 + 4y

-10 + 28 = 4y + 5y

18 = 9y

2 = y

2x + 20 = -20

2x = -40

x = -20

7)

this has infinite solutions because one equation is a simplified version of the other

8)

this has no solutions because 5 does not equal -5

9)

I can't graph on brainly, hope this helped though

3 0
3 years ago
Find the inverse function. f(x) = Vx - 1+4​
seraphim [82]

Answer:

f^-1(v)=v/x-3/x

Step-by-step explanation:

4 0
2 years ago
Isaiah has $7.15 in Dimes and Nickels. He has a total of 91 coins. How many of each coin does he have? Group of answer choices d
yarga [219]

Answer:

Dimes = x = 52

Nickels = y = 39

Step-by-step explanation:

Let

Dimes = x

Nickels = y

x + y = 91 (1)

0.10x + 0.05y = 7.15 (2)

From (1)

x = 91 - y

Substitute x = 91 - y into (2)

0.10x + 0.05y = 7.15

0.10(91 - y) + 0.05y = 7.15

9.10 - 0.10y + 0.05y = 7.15

- 0.10y + 0.05y = 7.15 - 9.10

-0.05y = -1.95

y = -1.95 / 0.05

= 39

Substitute y = 39 into (1)

x + y = 91

x + 39 = 91

x = 91 - 39

x = 52

Dimes = x = 52

Nickels = y = 39

7 0
3 years ago
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