What is the definition of intersection In math?

Mathematics

2 answers:

Oxana [17]3 years ago

7 0

Answer:

crossing each other

Step-by-step explanation:

an example is intersecting lines they are lines that cross each other

hope this helps :D

miskamm [114]3 years ago

6 0

Answer:

Step-by-step explanation:

an intersection is a point, line, or curve common to two or more objects

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2 years ago

If 3a-2b= 8 and a+3b=7 what is the value of 4a+b?

Fittoniya [83]

Step 1: Find the value of one variable in terms of the other.

$a+3b=7\\a=7-3b$

Step 2: Substitute the value you just found for this variable in the other equation.

$3a-2b=8\\3(7-3b)-2b=8\\21-9b-2b=8\\21-11b=8\\21=8+11b\\13=11b\\\frac{13}{11}=b\\ b=1\frac{2}{11}$

Step 3: Use your new value for the second variable to find the first.

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Now that we know the values for a and b we can find the value of 4a+b.

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3 years ago