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DerKrebs [107]
3 years ago
12

X=4y-5 2x+3y=23 Solve using the substitution method

Mathematics
1 answer:
jenyasd209 [6]3 years ago
3 0

Answer:

x =7, y = 3

Step-by-step explanation:

We substitute the value of x in terms of y (given) into the equation.

Then we solve for y and plug in the value of y back into the equation for the value of x to find x.

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Trying to do a question for my friend, can't quite figure it out though. Some help would be appreciated!
Troyanec [42]

Answer:

B : 5/6

Step-by-step explanation:

By doing some simple fraction, this would be the only thing that'd be correct!

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2 years ago
Mrs.Leitz spent $8.75 on new folders, f, for the 25 students in her class. Which equation shows how to find the cost of each fol
mrs_skeptik [129]

Answer:

each folder costed 0.35

Step-by-step explanation:

8.75 divided by 25 would have given you the answer

8 0
2 years ago
15/25 in lowest terms
klio [65]
3/5 is the lowest term. 3/5 = 15/25. Does this help? 
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3 years ago
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mart [117]
There are several ways to answer this question and I will use this approach. Since Johnny reads at a ratio of 7:3 it can be stated that for every 10 pages in a book containing 500 pages Johnny will read 7 of those pages. There are 50 groups of 10 in a 500-page book (50 x 10). Take the ration 7:3 times 50 and use the distributive property:  7:3(50) = (7 x 50):(3 x 50) = 350:150. Based on this Johnny has read 350 pages and has 150 pages remaining.
7 0
3 years ago
How to show ur work if u have 79÷10?<br> Plz hellppp
nevsk [136]

Answer:

you have to show the way you did it like this

Step-by-step explanation:

79 ÷ 10 = 7r9

3 0
3 years ago
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