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ankoles [38]
3 years ago
8

Juan decided to join a gym to get in shape for football. He has two payment options. Option a is to buy a membership card and pa

y $2 each time he goes to the gym. Option b is to pay $4 each time he goes. A membership card cost $30. After how many times, t, will cost of option a be equal to cost of option B.
(15.) (20) (50.) (25 )
Mathematics
1 answer:
dolphi86 [110]3 years ago
7 0
15 because I said so and that is my fav number
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Consider U = {x|x is a positive integer greater than 1}.
Zinaida [17]
B) {x|x ∈ U and 2x is prime}
x is greater than 1.
the only even prime number is 2
2 times anything is even.
the minimum x value is 2. 2x is 4, therefore higher than the only even number
every value 2x will have a multiple of 2 so it will not be prime.
6 0
2 years ago
Read 2 more answers
Solve the system of linear equations by substitution.<br> y=X-4<br> - 2x+y= 18
11Alexandr11 [23.1K]

Answer:

] y=x-4

-2x+y=18

y - x = -4

y - 2x = 18

equation [2] for the variable y

[2] y = 2x + 18

// Plug this in for variable y in equation [1]

[1] (2x+18) - x = -4

[1] x = -22

// Solve equation [1] for the variable x

[1] x = - 22

// By now we know this much :

y = 2x+18

x = -22

// Use the x value to solve for y

y = 2(-22)+18 = -26

Step-by-step explanation:

please mark me as brainlist please

4 0
1 year ago
- Find the difference of 8x and twice the sum<br>of x and 7. Write your answer in simplest<br>form.​
9966 [12]

Answer:

7*2=14 8x=8*8=64*2

Step-by-step explanation:

Thats how you basically do it now try it!

5 0
3 years ago
1. If mPCV = 42, then mZVCN =
zalisa [80]

Answer:

Easy lol mzvcn=48

Step-by-step explanation:

7 0
2 years ago
Question 8 of 10 What is the median of this data set? 14, 18, 31, 34, 44, 50 A. 32.5 B. 33 C. 31.5 O O D. 31 SUBM​
kozerog [31]

Answer:

32.5

Step-by-step explanation:

median is the middle number, in this case the sum of the two middle number divided by 2

31 + 34 = 65/2

32.5

8 0
2 years ago
Read 2 more answers
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