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Ivahew [28]
3 years ago
12

Whats 2+2? Answer this question, its easy

Mathematics
2 answers:
Ivahew [28]3 years ago
8 0

Answer:

it's 4 sooo easy for you and me

ExtremeBDS [4]3 years ago
7 0
4!!!!!!!!!!!!wahhhhh!
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A 120 watt light bulb uses about 0.1 kilowatt of electricity per hour.if electricity costs $0.20 per kilowatt hour how much does
Ksivusya [100]
A 120 watt light bulb uses about 0.1 kilowatt of electricity per hour.if electricity costs $0.20 per kilowatt hour. Let's solve how much does it cost to have a bulb on for an hour. => 120 watt = 0.1 kilowatt per hour which costs 0.20 per kilowatt per => 0.1 kilowatt per hour * 0.20 = 0.02 dollars in an hour.
8 0
3 years ago
Read 2 more answers
Simplify
OlgaM077 [116]

Answer:

see below

Step-by-step explanation:

\frac{x-1}{x^2-3x+2}+ \frac{x-2}{x^2-5x+6} +\frac{x-5}{x^2-8x+15}

we need to simplify that

x^2-3x+2=(x-1)(x-2)\\\\x^2-5x+6=(x-2)(x-3)\\\\x^2-8x+15=(x-3)(x-5)

so we can continue

\frac{x-1}{(x-1)(x-2)}=\frac{1}{x-2}\\\\\frac{x-2}{(x-2)(x-3)} =\frac{1}{x-3}\\\\\frac{x-5}{(x-3)(x-5)} =\frac{1}{x-3}

and we can put all together

\frac{1}{x-2}+ \frac{1}{x-3}+ \frac{1}{x-3}\\\\\frac{1}{x-2} +\frac{2}{x-3}\\\\\frac{x-3}{(x-3)(x-2)}+ \frac{2(x-2)}{(x-2)(x-3)} \\\\\frac{x-3+2x-4}{(x-3)(x-2)}\\\\\frac{3x-7}{x^2-5x+6}

3 0
3 years ago
Help please. i am terrible with fractions.<br><br> 2/3 - (1/4) * (4/9)
s2008m [1.1K]
Ok so first following the order of opperation (P.E.M.D.A.S.)
We have to multiply first so 1/4*4/9 is 4/36
2/3-4/36
We have to get them both to have the same denominator
What times 3 is 36? 12
So multiply 2*12 and 3*12 you get 
24/36-4/36=5/9(simplified)
7 0
3 years ago
Read 2 more answers
PLEASE GEOMETRY HELP WILL MARK BRAINLIEST!!!
labwork [276]

Answer:

3240°

Explanation:

The formula for calculating the sum of the interior angles of a polygon is (n-2)x180 where n refers to the number of sides. Because we know that the polygon has 20 sides, the equation would be (20-2)x180. The answer would be 3240°.

4 0
3 years ago
5×(3-2)=, what is itin expanded form, Explain
Juli2301 [7.4K]
I hope this helps you



5×(3-2)=5×1=5



or




5×3+5×(-2)=15+(-10)=15-10=5
5 0
3 years ago
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