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Travka [436]
3 years ago
15

John's age increased by 11 is 5 less than 5 times his age. How old is he? If x represents John's age, which of the following equ

ations could be used to solve this problem?
Mathematics
2 answers:
PtichkaEL [24]3 years ago
8 0
X + 11 = 5x -5
x-x+11=5x-x-5
11 = 4x -5
11+5 = 4x -5+5
16 = 4x
16/4 = 4x/4
x = 4


Arturiano [62]3 years ago
7 0
Not entirely sure about the equation, but hes 4. 4 plus 11 is 15, fifteen plus 5 is 20. (fifteen is five less than 20) and 20 is 5 times his age, which is 4
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x=g-c

Step-by-step explanation:

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3 years ago
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A leaking pond loses 20 gallons of water in 35 hours. How many gallons of water will it lose in 47 hours?
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3 years ago
Solve the proportions:
IRINA_888 [86]

<u>Answer:</u>

  • 6. 6.75
  • 7. 27
  • 8. 92/17
  • 9. 49

<u>Step-by-step explanation:</u>

<u>- Question 6 -</u>

  • 9/16 = x/12
  • => 16x = 12 x 9
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  • => x = 6.75

Hence, <u>the value of x in this proportion is 6.75.</u>

<h3>_______________________________</h3>

<u>- Question 7 -</u>

  • -3 + x/18 = 12/9
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Hence, <u>the value of x is 27</u>

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<u>- Question 8 -</u>

17/15 = 10/2x - 2

=> 17(2x - 2) = 150

=> 34x - 34 = 150

=> 34x = 184

=> x = 184/34

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Hence, <u>the value of x is 92/17</u>

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<u>- Question 9 -</u>

  • x - 16/x + 6 = 3/5
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Hence, <u>the value of x is 49.</u>

<h3>_______________________________</h3>

Hoped this helped.

3 0
3 years ago
C. Find the value of x below:<br> 15.r + 5<br> -2 + 16.
nydimaria [60]

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7

Step-by-step explanation:

(15x + 5) and (-2 + 16x) represents the measures of corresponding angles.

Measures of corresponding angles are equal.

Therefore,

- 2 + 16x = 15x + 5

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x = 7

5 0
3 years ago
________________________
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✩ Answer:

 ✧・゚: *✧・゚:*✧・゚: *✧・゚:*✧・゚: *✧・゚:*  

 \bold{Hello!}\\\bold{Your~answer~is~below!}  

✩ Step-by-step explanation:

 ✧・゚: *✧・゚:*✧・゚: *✧・゚:*✧・゚: *✧・゚:*

✺ Divide both sides by −3. Since −3 is negative, the inequality direction is changed:

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✺ Divide −9 by −3 to get 3. Since they are both negatives it turns into a positive:

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✺ Swap sides so that all variable terms are on the left hand side. This changes the sign direction once more:

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✺ Add 2 to both sides:

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✺ Divide both sides by 5. Since 5 is positive, the inequality direction remains the same:

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✺ Divide 5 by 5 to get 1:

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