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viktelen [127]
2 years ago
5

PLZ HELP find the value of x in each of the following x/3-2=6 and x/5+1=5

Mathematics
2 answers:
Aleks [24]2 years ago
8 0
The first one is X = 24 & the second one is x= 20
Fed [463]2 years ago
4 0

Answer:

x = 24

x = 20

Steps :

1) \ \frac{x}{3} - 2 = 6\\\\\

 \frac{x - 6 }{3} = 6\\\\\  \ x-6 = 6 \times 3\\\\\ \ x - 6 = 18\\\\\ \ x = 24

2) \frac{x}{5} + 1 = 5

  \frac{x+5}{5} = 5\\\\x + 5 = 5 \times 5\\\\x + 5 = 25\\\\x = 20

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The sum of 9 times a number and 5 is 3.
poizon [28]

Answer:

9x + 5 = 3

Step-by-step explanation:

Hope this helps.

3 0
3 years ago
Use elimination to solve each system if equation 3x+2y=0and x-5y=17
kotykmax [81]

Answer:

y = -3

x=2

Step-by-step explanation:

3x + 2y = 0

x - 5y=17

to use the elimination you have to make one of the numbers same

so

3(x-5y=17)

and you would have to change the sign so that both of the 3x could cancel out.

New system of equation

3x + 2y = 0

-3x+15y=-51

17y=-51

y = -3

so we know the y value so now you could find the x value take one equation

x - 5y=17

x +15=17

x = 2

you could try it with both of the equations

3x + 2y = 0

3x + - 6=0

3x-6=0

3x=6

x=6/3

x=2

6 0
3 years ago
A kayak rental company charges $25.00 to rent a kayak and $3.50 for each half hour it is used.
pogonyaev

Answer:

Option D (r(t) = 3.50t +25 ; r(8) = 53)

Step-by-step explanation:

The fixed cost to rent the kayak $25. This is the cost which remains fixed irrespective of the usage of the kayak. The variable cost of using the kayak is the cost which depends on the usage of the kayak. It is mentioned that the kayak is used for 4 hours and the company charges $3.5 for every half hour. The cost function is given by:

r(t) = 25 + 3.5t ; there r is the total cost of using the kayak and t is the number of half-hours the kayak is used.

4 hours means that there are 8 half-hours. Therefore, t=8. Put t=8 in r(t).

r(8) = 25 + 3.5*(8) = 25 + 28 = 53.

Therefore, Option D is the correct answer!!!

3 0
3 years ago
Read 2 more answers
Assume that you ate 3/4 of a bag of popcorn and the person next to you ate 4/5 of a bag of popcorn.
AlekseyPX

Answer: The person next to you ate more popcorn.

Step-by-step explanation:

3 divided by 4 is 0.75, which is equivalent to 75%. 4 divided by 5 is 0.8, which is equivalent to 80%. Now that you've calculated the percentages of how much they ate, you can assume that 80 > 75 (80 is greater than 75).

6 0
3 years ago
My question is:
8090 [49]
Uh it's 5? I'm confused
8 0
3 years ago
Read 2 more answers
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