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Rus_ich [418]
3 years ago
14

Y = 3x + 3

Mathematics
1 answer:
Alchen [17]3 years ago
7 0
First if x equals 1 then you would do 3x1 which would get you 3, then add the 3 plus 3 to get 6
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Later, Alexis is looking at a different set of coins: this time only dimes and nickels. She has twice as many nickels as dimes,
musickatia [10]

9514 1404 393

Answer:

  • 16 dimes
  • 32 nickels

Step-by-step explanation:

Consider a group of 1 dime and 2 nickels. The value of it is 0.20. The total value of all such groups is 3.20, so there must be ...

  3.20/0.20 = 16 . . . . . groups of coins

That is, there are 16 dimes and 32 nickels.

5 0
2 years ago
Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions:
fredd [130]
Oooo ok
I don’t now true this or no
But answer is 13
7 0
3 years ago
Jamal worked from 3:20 until 9:55. How many minutes did he work?​
AnnyKZ [126]

Answer:

395 minutes

Step-by-step explanation:

See above for the answer

6 0
3 years ago
Read 2 more answers
The expression 1.7j−3.4 factored is
saveliy_v [14]

Answer:

1.7j - 3.4 = 1.7(j - 2)

Step-by-step explanation:

Note that both 1.7 and -3.4 are evenly divisible by 1.7:

1.7j - 3.4 = 1.7(j - 2)

6 0
3 years ago
The sum of a rational number and an even integer is rational. A) Always True B) Sometimes True C) Usually True D) Never True
SOVA2 [1]
I think that the sum will always be a rational number
let's prove that


<span>any rational number can be represented as a/b where a and b are integers and b≠0

</span>and an integer is the counting numbers plus their negatives and 0
so like -4,-3,-2,-1,0,1,2,3,4....

<span>so, 2 rational numbers can be represented as

</span>a/b and c/d (where a,b,c,d are all integers and b≠0 and d≠0)

their sum is
a/b+c/d=
ad/bd+bc/bd=
(ad+bc)/bd

1. the numerator and denominator will be integers
2. that the denominator does not equal 0

alright
1.
we started with that they are all integers
ab+bc=?
if we multiply any 2 integers, we get an integer
<span>like 3*4=12 or -3*4=-12 or -3*-4=12, etc.
</span>even 0*4=0, that's an integer
the sum of any 2 integers is an integer
like 4+3=7, 3+(-4)=-1, 3+0=3, etc.
so we have established that the numerator is an integer

now the denominator
that is just a product of 2 integers so it is an integer


<span>2. we originally defined that b≠0 and d≠0 so we're good

</span>therefore, the sum of any 2 rational numbers will always be a rational number <span>is the correct answer.</span>
6 0
3 years ago
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