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geniusboy [140]
3 years ago
9

Between 1995 and 2000, the average price of a house in Middlebury went up from $100,000 to $120,000. What was the percentage inc

rease in the average price of a house?
Mathematics
1 answer:
son4ous [18]3 years ago
5 0
The answer is 20percent
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Whats the value of n? <img src="https://tex.z-dn.net/?f=40%20%3D%20-%5Cfrac%7B5n%7D%7B8%7D" id="TexFormula1" title="40 = -\frac{
adell [148]

Isolate the n. First, multiply 8 to both sides

40(8) = (-5n/8)(8)

40(8) = -5n

Multiply.

320 = -5n

Isolate the n. Note the equal sign. What you do to one side, you do to the other. Divide -5 from both sides

(320)/-5 = (-5n)/-5

n = 320/-5

n = -64


-64 is your answer for n

hope this helps

7 0
4 years ago
What is the surface area?????
Elenna [48]

The area of a triangle is found using the formula Area = 1/2 x base x height.


Base = 8

Height = 18.


The area of 1 triangle = 1/2 x 8 x 18 = 72 square units.


There are a total of 4 sides, so total area = 72 x 4 = 288 units ^2

5 0
3 years ago
Jeffery took a drive to town at an average rate of 50mph. When he returns, he drove back at the rate of 30 mph. If he spent a to
katen-ka-za [31]

Answer:

150 + 150 = 300

Step-by-step explanation:

50x = 30y  

x + y = 8

~~~~~~~~~~~~~~~

x = 8 - y

50(8-y) = 30y

400 - 50y = 30y

400 = 80y

y = 5

x= 3

6 0
3 years ago
How to solve number 1?
Archy [21]
E(x)=5(x-1)(x+2)-(x+2)^2\\\\1)\ 5(x^2+2x-x-2)-(x^2+2x\cdot2+2^2)\\=5(x^2+x-2)-(x^2+4x+4)\\=5x^2+5x-10-x^2-4x-4\\=4x^2+x-14\neq4x^2+x+1\\\\2)\ E(x)=1\ for\ E(x)=4x^2+x+1\\\\4x^2+x+1=1\ \ \ \ |subtract\ 1\ from\ both\ sides\\4x^2+x=0\\x(4x+1)=0\iff x=0\ \vee\ 4x+1=0\\x=0\ \vee\ 4x=-1\\\boxed{x=0\ \vee\ x=-0.25}

3)\ H(x)=9x^2-(2x+1)^2\\\\a.\ H(x)=(3x)^2-(2x+1)^2=[3x-(2x+1)](3x+2x+1)\\=(3x-2x-1)(5x+1)=(5x+1)(x-1)\\\\b.\ H(x)=0\\\\(5x+1)(x-1)=0\iff5x+1=0\ \vee\ x-1=0\\5x=-1\ \vee\ x=1\\\boxed{x=-0.2\ \vee\ x=1}
5 0
3 years ago
Write a positive or negative integer that represents the situation.
Pachacha [2.7K]

Answer:

what situation...there"s no any situation

8 0
3 years ago
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