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TEA [102]
3 years ago
5

What number is a common multiple of 5 and 9?

Mathematics
2 answers:
qaws [65]3 years ago
5 0
The answer  for this question is 45.
siniylev [52]3 years ago
3 0
45 is a common multiple

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Solve the following equation using the quadratic formula.
nataly862011 [7]

Answer:

x=3.5,x=-6

I hope this help

7 0
3 years ago
Which of the following is a solution of the system 2x + y = 9 and 3x + 5y = 19.​
Nezavi [6.7K]

2x+y=9

3x+5y=19

I will do this problem in 2 ways. I.)Substitution II.)Elimination

Solution I.) Substitution

We can subtract 2x from both sides in the first equation.

y=9-2x

Now we can substitute the y in the second equation with 9-2x

3x+5(9-2x)=19

-7x+45=19

-7x=-26

x=26/7

y=9-2(26/7)=11/7

Solution II.)Elimination

We can multiply both side of first equation by 5 to get a 5y in both equations.

10x+5y=45

Now because both are positive 5y we just need to do simple subtraction of the 2 equation, each side respectively.

(10x+5y)-(3x+5y)=45-19

7x=26

x=26/7

2*26/7+y=9

y=11/7

Ultimately you get the same answer, both are viable methods, some problems are faster with one method but I recommend mastering both since they are very useful.

4 0
2 years ago
PLEASE HELP!<br><br> 36&lt;8p+4&lt;44<br> The solution set is__.
Nataliya [291]
4<p<5
(4,5) 
Open circles, not shaded. 
Hope this helped!
5 0
3 years ago
Solve this problem please!!
zavuch27 [327]

if I know how to do this I this it's y27 oh I know I wrong But it was worth a try right

Step-by-step explanation:

idffffk

7 0
3 years ago
I really need help please help me out!
creativ13 [48]
I should say b or c
7 0
3 years ago
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