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zzz [600]
2 years ago
11

Samuel bout 3x cds and jayce bought 2x - 1 cd's if each had a regular price of $18 and discount of $2

Mathematics
1 answer:
Semmy [17]2 years ago
3 0

Answer:

2(5x-1)

Step-by-step explanation:

Given that;

Samuel bought 3x cds

jayce bought 2x-1 cds

Note that the total number of cd :

3x cds + 2x - 1 cd's

3x+(2x-1) = 3x+2x-1

= 5x-1

To get the amount to f cds on discount

= Total amount of cds multiply by the discounted price

= (5x-1)×$2

= 2(5x-1)

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The sum of two numbers is "-1" One number is 12 more than the other one. Find the numbers.
ruslelena [56]

Answer:

x = 5.5

y = - 6.5

Step-by-step explanation:

Let one of the numbers = x

Let the other number = y

x + y = - 1

x = y + 12    Put the second equation into the first one

y + 12 + y = - 1       Subtract 12 from both sides

y + y = - 1 - 12        Combine both left and right sides

2y = - 13                Divide by 2

2y/2 = - 13/1

y = - 6.5

x + y = - 1

x - 6.5 = - 1            Add 6.5 to both sides

x = 5.5

7 0
3 years ago
If y is 15 times x, which equation shows the relationship between x and y?
zhannawk [14.2K]
Is= equals sign
times= multiplication


So y equals 15 times x

y= 15 * x
y= 15x


ANSWER: y= 15x (bottom choice)

Hope this helps! :)
4 0
3 years ago
Please Help! I will give brainliest as long as it contains no links!
Sphinxa [80]

Answer:

5x+8=118

5x=110

x=22

hope this helps

have  a good day :)

Step-by-step explanation:

8 0
3 years ago
Otieno is k years old.He is 5 years older than kidole what will be their age fours to come​
EleoNora [17]

Answer:

Otieno's age in 4 years: k+4

Kidole's age in 4 years: k-1

Step-by-step explanation:

k = Otieno's age

k-5 = Kidole's age

Their ages will increase by 4 years when 4 years pass.

k+4 = Otieno's age in 4 years

k-5+4 = Kidole's age in 4 years

k-1 = Kidole's age in 4 years (after simplifying the expression)

I hope this helps!

6 0
3 years ago
What is the slope of the line through (1, -1) and (5. – 7)?
Vladimir [108]

Answer:

-3/2

Step-by-step explanation:

Given two points, we can find the slope by

m = (y2-y1)/(x2-x1)

    = (-7 - -1)/ (5-1)

    = (-7+1)/(5-1)

    = -6/4

    = -3/2

6 0
3 years ago
Read 2 more answers
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