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2 years ago

Write the equation of a line (y=mx+b) that passes through the points. (2, 3) and 4. 4)

Mathematics

2 answers:

Katen [24]2 years ago

5 0

4-3=1
4-2=2
X=1/2
Y=Mx+b
4=1/2(4)+b
4=2+b
2=b
Y=1/2x+2

Nady [450]2 years ago

3 0

Answer:

Step-by-step explanation:

slope: (4-4)/(4-3)

slope: y=x+c

4=4+C

4-4=c

0=c

so y=x

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Read 2 more answers

In the band there are twice as many tubas as French horns and three more trumpets than tubas. Five times the number of trumpets

GenaCL600 [577]

Answer:

3 French horns

6 tubas

9 trumpets

Step-by-step explanation:

Let the number of French horns be x.

Number of French horns = x

There are twice as many tubas as French horns, so

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There are three more trumpets than tubas, so

Number of trumpets = 2x + 3

Five times the number of trumpets equals nine times the number of French horns, plus triple the number of tubas, so

$5(2x+3)=9x+3\cdot 2x\\ \\10x+15=9x+6x\\ \\10x+15=15x\\ \\15=15x-10x\\ \\15=5x\\ \\x=3\\ \\2x=6\\ \\2x+3=6+3=9$

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