3 years ago

Changing the order of addends on a problem with more than two atoms always changes the answer

Mathematics

1 answer:

Temka [501]3 years ago

6 0

True..... I think......

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Is Y equals 2.5 X proportional

Ivahew [28]

Answer:

no but 1+1=2 hehe

Step-by-step explanation:

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3 years ago

AO ⊥ (BCD)

Inga [223]

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3 years ago

The function f(x)=-(x-3)^2 +9 can be used to represent the area of a rectangle with the perimeter of 12 units, as a function of

Ivenika [448]

Maximum area of the rectangle is $9cm^{2}$

<u>Explanation:</u>

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Considering the dimensions to be in cm

$f(x) = -(x-3)^{2} +9\\f(x) = -(x^{2} +9 - 6x)+9\\f(x) = -x^{2} +6x\\f'(x) = -2x+6\\-2x+6 = 0\\2x=6\\x=3cm\\\\$

Putting the value of x = 3

$Perimeter = 2(x+b)\\12 = 2(3+b)\\6 = 3+b\\b= 3cm$

$Area of rectangle = x X b\\ = 3 X 3\\ = 9cm^{2}$

Therefore, maximum area of the rectangle is $9cm^{2}$

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3 years ago

A coat cost $37.88 at Walmart. The sales tax is 5.5%. What is the total amount of the coat including the sales tax?

Pepsi [2]

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3 years ago

Hey!

Talja [164]

Answer:

x=4

Step-by-step explanation:

2x+16=8
2x=16-8
x=8/2
x=4

<h2>Mark as brainliest if it helps . </h2>

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3 years ago

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