In the past you paid $800 per month to rent your apartment. You now pay $900 per month for your rent. What is the percent increase in your rent?
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it would be 12.5%
if you graph that equation the intersection would be (1,900)
(i don't know if you learned this in Algebra 2. but this formula works though)
i hope i helped a bit
Answer: 12.5%
Step-by-step explanation:
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what is there value of y?
what is the value of x?
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Answer:
x=14
y=30
Step-by-step explanation:
5x+25=3x+53
5x=3x+28
2x=28
x=14
2y+35=95
2y=60
y=30
(I assumed all of the angles are equal, correct me if I'm wrong.)
Answer:x=14
Step-by-step explanation:
Let's first understand what we need to do. We need to solve for two variables, x and y. We do these by setting two systems of equations equal to each other. This is easily done for x, but for y the other equation is missing. Keep this in mind for later.
So, we will first start off by solving for x. We do this by using inverse operations.
5x+25=3x+53 We will subtract
5x=3x+28
2x=28 Divide
x=14
You can plug 14 into both the xs and they will be similar, and both will have the similar results once you solve for y and plug it into the equation along with x.
We know that the 5x+25 on the left is adjacent to 2y+35, and so is the second x. Adjacent angles add up to 180 total, and so to solve for y we need to plug 12 in the first x.
5(14)+25=95
180-95=85
85 is the value of 2y+35
We will solve for y just like any other alegrbaic problem
85=2y+35
50=2y
y=25
We know know that y is 25 and x is 14
Plug both values into 2 adjacent angles and they will add up to 180.
the expression lod3 (8-x) is defined for all values of x such as
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He did 8 quizzes, on average 85 points: 85*8=680 points.
He scored a number of points in his ninth quiz, let's call this number "x".
If we want to calculate the average after the ninth quiz, we take the sum of points then (which is 680+x) and we divide it by 9:
(680+x)/9
we also know that this is equal to 81:
(680+x)/9=81
multiply both sides by 9:
substracting 680 from both sides:
x=49
well, i got 49 too.
I really can't see where the mistake could be?
where did you check it? my best guess is that the place where you checked it had a typo...?
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for this question, you know what is x and you wanna find the y.
So the only thing you should do is to put 3 for x and solve the equation:
3 + y = 10
y = 10 -3
y = 7
Hava great one!
The problem already gave us x. So we plug it in.
3+y=10
We now want to make the variable by itself, so we subtract 3 to the other side.
y=10-3
Simple Math
y=7
I hope this helps;)