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vovikov84 [41]
3 years ago
15

a positive real number is 2 less than another when 4 times the larger is added to the square of the smaller the result is 49 fin

d the numbers
Mathematics
1 answer:
Novay_Z [31]3 years ago
3 0

Answer:

  • 3√5 ≈ 6.7082
  • 3√5 -2 ≈ 4.7082

Step-by-step explanation:

Let x represent the larger number. Then x-2 is the smaller one. The sum is ...

  4x + (x-2)^2 = 49

  x^2 + 4 = 49 . . . . . simplify

  x^2 = 45 . . . . . . . . subtract 4

  x = √45 = 3√5 . . . . take the square root

The larger number is 3√5, and the smaller number is 2 less, 3√5 -2.

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Which expression is equivalent to -3(4c-2) -2c
sergeinik [125]

Answer:

-3(4c-2) -2c = -14c+6

Step-by-step explanation:

We need to find the equivalent expression for -3(4c-2) -2c.

First we open the brackets as follows :

-3(4c-2) -2c

= -12c+6-2c

=-12c-2c+6

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So, the equivalent expression is -14c+6.

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2 years ago
Can anyone help me with these three questions
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Sure, what are the questions?
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3 years ago
How to find number of sides in a regular polygon based on the 900 degree measure of all interior angles?
Lerok [7]
<span>Sum of Interior Angles = (Number of Sides -2) • 180 degrees
900 = </span><span>(Number of Sides -2) • 180 degrees
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Polygon is a heptagon.
http://www.1728.org/polygon.htm

</span>
8 0
2 years ago
Jackson gets paid $15 per hour and already has $60 in his savings. Jackson already has a total of $330. How many hours has he wo
rewona [7]

Answer:

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$330 - $60

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Hope this Helps! :)

4 0
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4 0
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Read 2 more answers
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