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ella [17]
3 years ago
6

What is the value of 2 - (- 2 - 2) - (-2-(-2-2))?​

Mathematics
2 answers:
Nady [450]3 years ago
5 0
The answer is 4. its not 8
almond37 [142]3 years ago
4 0

Answer:

the answer is 8

Step-by-step explanation:

basically ya add the one of the -2 nd another -2 together which makes it 0 bc its - so its made a wholr number now nd wha you do now is just keep going up now as if theres no negatives there

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You have 800 feet of fencing and you want to make two fenced in enclosures by splitting one enclosure in half. What are the larg
katovenus [111]
Problema Solution

You have 800 feet of fencing and you want to make two fenced in enclosures by splitting one enclosure in half. What are the largest dimensions of this enclosure that you could build?

Answer provided by our tutors

Make a drawing and denote:


x = half of the length of the enclosure


2x = the length of the enclosure


y = the width of the enclosure


P = 800 ft the perimeter


The perimeter of the two enclosures can be expressed P = 4x + 2y thus


4x + 3y = 800


Solving for y:

........

click here to see all the equation solution steps

........

y = 800/3 - 4x/3


The area of the two enclosure is A = 2xy.


Substituting y = 800/3 - 4x/3 in A = 2xy we get


A = 2x(800/3 - 4x/3)


A =1600x/3 - 8x^2/3


We need to find the x for which the parabolic function A = (- 8/3)x^2 + (1600/3)x has maximum: 


x max = -b/2a, a = (-8/3), b = 1600/3


x max = (-1600/3)/(2*(-8/3))


x max = 100 ft


y = 800/3 - 4*100/3


y = 133.33 ft


2x = 2*100


2x = 200 ft

3 0
3 years ago
Sara drives 171 miles on 7.6 gallons of gas. She uses this information to calculate how many miles per gallon she can drive. Usi
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171 / 7.6 = 22.5 miles per gallon

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2 years ago
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daser333 [38]
The answer to the percentage loss of an item would be 91 percent
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Alona [7]

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3 years ago
Can someone please give me the answer. i suck at geometry
olganol [36]

I think that it's 3.8 because the triangles are congruent but I might be wrong.

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2 years ago
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