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jasenka [17]
3 years ago
7

What is the solution to A=7x+40

Mathematics
1 answer:
Bess [88]3 years ago
5 0

9514 1404 393

Answer:

  x = (A -40)/7

Step-by-step explanation:

Maybe you want to solve for x.

  A = 7x +40 . . . . . given

  A -40 = 7x . . . . . subtract 40

  (A -40)/7 = x . . . divide by 7

The value of x will be ...

  x = (A -40)/7

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Find the simple interest earned for principal of $2,000 at and 8% rate for 5 years.
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first convert X to R = percentage to decimal

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Solving:

A = 2000 (1 + (0.08 x 5)) = 2800

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3 years ago
47% of the students in a class of 34 students has glasses or contacts. How many students in the class have either glasses or con
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