Hopes this helps:
Answer: x = 0 the equal sign has to have a line going through it.
The denominator must not equal 0. So the domain is x = 0 the equal sign has to have a line going through it.
Using the distance formula
d= square root of (x2-x1)^2+(y2-y1)^2
(9-9)^2+(10-3)^2
0^2+7^2
0+49
Square root of 49 is 7
d=7
Solve for x in 5x - 3y = 18
x = 3(6 + y)/5
Substitute x = 3(6 + y)/5 into 3x + 3y = 30
9(6 + y)/5 + 3y = 30
Solve for y in 9(6 + y)/5 + 3y = 30
y = 4
Substitute y = 4 into x = 3(6 + y)/5
x = 6
Therefore,
<u>x = 6</u>
<u>y = 4</u>
Answer:
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Step-by-step explanation:
Another way the expression can be written is 3(x+8).
The problem is asking you to figure out how many hours were spend volunteering over 3 months. So both x and 8 (amounts of volunteer time in different places) will need to be multiplied by 3. Writing 3 next to a parenthesis is a way to say multiply.