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Irina18 [472]
3 years ago
13

If x and y are positive integers and 3x+2y=13 what could be the value of y

Mathematics
1 answer:
GarryVolchara [31]3 years ago
5 0

If 'x' is a positive integer, then  ...

-- the smallest 'x' could be is ' 1 '
-- the smallest '3x' could be is ' 3 '.
-- the greatest '2y' could be is (13 - 3) = 10
-- the greatest 'y' could be is ' 5 '.

So, ALL of the possible values of (x,y) are:

==>  x=1, y=5

==>  x=3, y=2

And that's all.  There are no other possibilities.

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Identify the slope: y = -3x – 4.<br> A. -4<br> B. -3<br> C. 3<br> D. 4
tiny-mole [99]
Y - [-3(x) - 4] = ?
x-intercept: -4 ÷ 3 = 1.3
y-intercept: -4 ÷ 1 = 4
Your Slope:-3

So, your slope is: B. -3

☺
5 0
4 years ago
Please help immediately
goldfiish [28.3K]

Answer:

The probability of rolling a 3 and then a 5 is 1/36.

Step-by-step explanation:

Rolling a six sided die is an independent event.  That means for each roll, you have the same chance of rolling a number as the previous roll.  Since there are six different numbers on a die, then there are six different outcomes for each roll - 1, 2, 3, 4, 5 or 6.  The chances that you would roll a '3' is 1 out of 6, or 1/6.  The chances that you would roll a '5' is also 1 out of 6, or 1/5.  However, when we combine these events, we need to take each probability and multiply them.  So, the probability of rolling a '3' and then a '5' is 1/6 x 1/6 or 1/36.  

7 0
3 years ago
If 2^a =0.5 and 5^b=125, what is the value of a^b +b^a?​
kifflom [539]

9514 1404 393

Answer:

  -2/3

Step-by-step explanation:

  2^a = 0.5 = 2^-1   ⇒   a = -1

  5^b = 125 = 5^3   ⇒   b = 3

Then the expression a^b  +b^a is ...

  a^b +b^a = (-1)^3 +3^(-1) = -1 +1/3 = -2/3

3 0
3 years ago
20 if u get it right
Sholpan [36]

Step-by-step explanation:

hey there....I only knew the last question

3 0
3 years ago
A merchant marks up everything in the store by a standard 40%. What is the retail price of an item costing the merchant $15?
koban [17]

Answer:

$21

Step-by-step explanation:

15 x 1.4 = 21

Multiply by 1 to keep the original price, plus 0.4 for the 40%

7 0
2 years ago
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