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brilliants [131]
3 years ago
5

What is the solution to the system of equations? {3x−4y=−20 y=2x−5

Mathematics
1 answer:
marysya [2.9K]3 years ago
6 0
Input y=2x-5 into 3x -4y
3x - 4(2x-5)
= 3x -8x +20
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In the student council election, Davina received 50 votes, Binh received 40 votes and Eden received 80 votes. What is the ratio
Svetllana [295]

Answer:

4:5

Step-by-step explanation:

Binh's = 40

Davina's = 50

40:50 = 4:5

8 0
3 years ago
your grandmother got out of the hospital she was so excited she gave you some money you decided to go to Canada where the exchan
Kobotan [32]

Answer:

You have $10.600 Canadian dollars to spend.

Step-by-step explanation:

This problem can be solved by a rule of three.

In a rule of three problem, the first step is identifying the measures and how they are related, if their relationship is direct of inverse.

When the relationship between the measures is direct, as the value of one measure increases, the value of the other measure is going to increase too.

When the relationship between the measures is inverse, as the value of one measure increases, the value of the other measure will decrease.

In this problem, we have the following measures:

-The number of US dollars

-The number of Canadian dollars.

As the number of US dollars increases, so does the number of Canadian dollars, which means that the relationship between the measures is direct.

The problem states that $1 US dollar is $1.06 Canadian dollars. The problme wants to know how much $10000 is in Canadian dollars. So:

1 - 1.06

10000 - x

x = 10000*1.06

x = $10.600

You have $10.600 Canadian dollars to spend.

6 0
3 years ago
Please answer, Thank you!
Leto [7]

Answer:

61.5

Step-by-step explanation:

6.755-3311=3444

3444 divded by 56=61.5

4 0
3 years ago
M<6=(5x+99)* and m<10=(3x+17)* find m<10
Ann [662]
Sorry, but it does not make sense to start with m<0 and then connect that with an "=" sign to (3x+17).  Please ensure that you have shared the entire problem.  

You write "m<10=(3x+17)*   but provide no info regarding the value of x.

Please start over.  
8 0
3 years ago
HELP wudgwjednasdnwehdneds
Molodets [167]

Answer:

what is wudgwjednasdnwehdneds

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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