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Jlenok [28]
3 years ago
13

The sum of two numbers is 3. The difference between five times the first number and four times the second number is 6. Find the

numbers.
Mathematics
1 answer:
stellarik [79]3 years ago
4 0

Answer:

1 and 2

2+1=3

2×5=10

1×4=4

10-4=6

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Help meeeeeeeeeeeeeeeeeeeeeeeeeeee
pochemuha

Answer:

3

Step-by-step explanation:

I think the easiest way to go about this is to choose on of the answers and fill it in to see if it's correct. Since you only have 4 possible answers, there's no need to actually solve this.

In the question it already tells us that x does not equal 0, so that answer is automatically not correct. Now your down to three possible answers.

Start with -3. First, fill in the x with -3 for what the equation is supposed to equal. That gives you 3/-3. Simplified, that is -1. Now put -3 in for the x in the equation. That gives you 3/2(-3) + 1/2. After running that through your calculator or solving it, you end up with 0. So -3 is not your answer.

Next we'll try the 2. Do as we did last time, and fill in the x on the answer part of the equation. You now have 3/2. That doesn't simplify so it stays as is. Now for the equation. That makes it 3/2(2) +1/2. Put that in your calculator or solve, and you get 5/4. 5/4 does not equal 3/2 so 2 is not your answer.

That leaves 3. You can go ahead and run through the steps above using 3 if you want to double check, but since it's the only answer left, there isn't really a need to.

Hope this helps :)

6 0
2 years ago
K(x)=-3x^2-3;find k(-2)
Agata [3.3K]

Answer:

5z

Step-by-step explanation:

because I leaned it at school

6 0
2 years ago
Please help with this
Natasha2012 [34]

Answer:a

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A. 155<br> B. 163 1/2<br> C. 123<br> D. 122<br> E. 122 1/2<br> F. 130
Lesechka [4]
I think D but don’t take my word for it
5 0
3 years ago
Read 2 more answers
HELPPPPPP PLSSSSSSSSSS ASP HELPPPPPPPPPPPPPPPPPPPPPP
zhannawk [14.2K]

Answer:

if it helps please mark brainliest!

Step-by-step explanation:

essays= x

quizzes=y

2x=60

x=30 1 essay per 30 days

4y=40

y=10 1 quiz every 10 days

120/30=4

120/10= 12

so 4 essays and 12 quizzes in 120 days

if it helps please mark brainliest!

5 0
3 years ago
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