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Inessa05 [86]
4 years ago
9

_Don't Understand_

Mathematics
2 answers:
Oksi-84 [34.3K]4 years ago
8 0
F(n) = y and n = x

just a matter of subbing...I will be subbing 6 in for y and 2 in for x
A. f(n) = n + 3
    y = x + 3
    6 = 2 + 3
   6 = 5 (nope...so its not A)

B. f(n) = 1/3n
     y = 1/3x
     6 = 1/3(2)
     6 = 2/3 (nope....not this one either)

C. f(n) = 3n
      y = 3x
      6 = 3(2)
      6 = 6 (got it.....its this one)
Sloan [31]4 years ago
7 0

Answer:

C. f(n) = 3n

     y = 3x

     6 = 3(2)

     6 = 6 (got it.....its this one)

Step-by-step explanation:

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Rewrite in mathematical language. Every negative integer J is less than or equal to its inverse.
Luda [366]

Answer:

-J \leq J

Step-by-step explanation:

Given

Negative integer J

Required

Represent as an inequality of its inverse

The question didn't state if it's additive inverse or multiplicative inverse;

<em>Since the question has to do with negation, I'll assume it's an additive inverse</em>

<em></em>

The inverse of -J is +J

To represent as an inequality (less than or equal), we have:

-J \leq +J

Solving further, it gives

-J \leq J

3 0
3 years ago
95 points <br><br> Simplify (4^9/4^3)^5 Show your work for full credit
dexar [7]

Answer:

  • 4^{30}

Step-by-step explanation:

  • (4^9/4^3)^5=
  • (4^{9-3})^5=
  • (4^6)^5=
  • 4^{6*5}=
  • 4^{30}
3 0
2 years ago
Read 2 more answers
Solve the inequality. Check your solutions.<br> 5t +6&gt;21
Andreas93 [3]

Answer:

t > 3 or (3,∞)

Step-by-step explanation:

7 0
3 years ago
Justin has $500 in a savings account at the beginning of the summer. He wants to have at least $300 in the account by the end of
SSSSS [86.1K]

Answer:

10 weeks

Step-by-step explanation:

1 because 20 times 10 is 200 and if he starts with 500 then he can withdraw 20 dollars a week for 10 weeks to have 300 left by the end of the summer, hope this helps :)

3 0
3 years ago
What is the slope of the line through (1, -1) and (5. – 7)?
Vladimir [108]

Answer:

-3/2

Step-by-step explanation:

Given two points, we can find the slope by

m = (y2-y1)/(x2-x1)

    = (-7 - -1)/ (5-1)

    = (-7+1)/(5-1)

    = -6/4

    = -3/2

6 0
3 years ago
Read 2 more answers
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