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noname [10]
3 years ago
11

Hey guys can you answer this please because I badly need it right now please

Mathematics
1 answer:
brilliants [131]3 years ago
7 0

Answer:

1 . yes 2 . no 3. no

Step-by-step explanation:

Hope it helps .

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Solve this using Substitution. <br> {y=x+1 <br> {2x+y=7
Elina [12.6K]
Y = x + 1....so we sub in x + 1 for y in the other equation

2x + y = 7
2x + x + 1 = 7 ....combine like terms
3x + 1 = 7....subtract 1 from both sides
3x = 7 - 1
3x = 6 ....divide both sides by 3
x = 6/3
x = 2

y = x + 1
y = 2 + 1
y = 3

so ur solution is : (2,3)
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3 years ago
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saveliy_v [14]

Is your question right because you said 500 students a hundred and sixty have 320 have brown eyes?


4 0
3 years ago
Janet's car will go 462 miles on 16.5 gallons of gas. How many miles will it take to drive 2719 miles
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2719/462 x 16.5 = 97.10714gallons which is approximately 97 gallons.
7 0
3 years ago
A local hamburger shop sold a combined total of 445 hamburgers and cheeseburgers on Tuesday. There were 55 fewer cheeseburgers s
liberstina [14]
Let x represent the number of hamburgers sold, and (x - 55) represent the number of cheeseburgers sold.

Set up an equation:
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solve for x: 
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2x = 500

x = 500÷2

x = 250

This means 250 hamburgers were sold on Tuesday.

Hope this helps!

-Jabba


4 0
3 years ago
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Bet what is it?................

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