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Dennis_Churaev [7]
3 years ago
15

il a positive number decreased by 5, then it is 84 times of its reciprocal. Find the number? op 10, 11, 12, 13​

Mathematics
1 answer:
Alenkasestr [34]3 years ago
6 0

Answer:

x = 12

Step-by-step explanation:

x - 5 = 84/x

x² - 5x = 84

x² - 5x - 84 = 0

x = (5 ±√(5² - 4(1)(-84))) / 2

x = (5 ± 19) / 2

x = -7 ignore

x = 12

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The product of nine and the total of r and eight
yuradex [85]

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9(r + 8) = 9r +72

Step-by-step explanation:

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Hope this helps!

7 0
2 years ago
Maisha has 3(x+2) hours reading a book 8x-5 hours sleeping and 2x hours playing.How many hours did she spend in all of these act
Mandarinka [93]
Add all the activities together

=3(x+2) + (8x-5) + 2x
multiply 3 by all in parentheses
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ANSWER: 13x + 1

Hope this helps! :)
6 0
3 years ago
Help meeeeeeeeeeeeeeeeeeeeeeeee
IRINA_888 [86]

Answer:

118.75

Step-by-step explanation:

47.50 multiplied by 2.5 would equal 118.75

ur welcome :)

3 0
3 years ago
Read 2 more answers
I’m trying to help my brother with his homework but I’m confused can someone help? Btw the last one is (D.140)
My name is Ann [436]

The dog must take 125 steps if Evan takes 50.

Option C is correct

<h3>What exactly is a series query?</h3>

These problems are based on numerical series that adhere to a logical rule or pattern derived from fundamental notions in mathematics. The pattern must be examined from a certain sequence that is presented. The following question asks you to anticipate the subsequent number in the series using the same formula.

<h3>Sequence and series types?</h3>

arithmetic progressions Sequences in geometry. Harmonic patterns.

Evan takes ten steps before the dog takes 25 steps.

Evan takes 28 steps first, then the dog takes 70 steps.

Evan takes 50 steps, followed by the dog's 125 steps.

To know more about series question visit:-

brainly.com/question/16415816

#SPJ13

3 0
1 year ago
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