2 years ago

Find each difference 3 - (-3)

Mathematics

1 answer:

scZoUnD [109]2 years ago

3 0

Answer:

negative x negative = positive

so 3-(-3) will become 3+3

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How do you work out "2(c+4)="

Nonamiya [84]

First you do distributive property.

2c + 8 = 0

Then subtract 8 with 0

2c = -8

Then divide -8/2

<h2>c = -4</h2><h2>Hope this helps :)</h2><h2 />

5 0

3 years ago

Find the domain of the function algebraically:<br><br> <img src="https://tex.z-dn.net/?f=R%28x%29%3D%5Cfrac%7Bx%7D%7Bx%5E%7B2%7D

BigorU [14]

The domain of the function is all real numbers except 2 and -1

Step-by-step explanation:

Domain is the set of inputs of a function on which the function is defined.

Given function is:

$R(x) = \frac{x}{x^2-x-2}$

In case of a function involving fraction, the function is undefined if the denominator is zero so in order to find the domain of the function algebraically , we have to find the values on which the function will be undefined

$x^2-x-2 = 0\\x^2-2x+x-2 = 0\\x(x-2)+1(x-2) = 0\\(x+1)(x-2) = 0\\x+1 = 0 => x=-1\\x-2=0 = > x=2$

The function will be undefined on x=-1 and x=2

So,

The domain of the function is all real numbers except 2 and -1

Keywords: Domain, functions

Learn more about domain and functions at:

#LearnwithBrainly

7 0

3 years ago

carisa and amy went to a restaurant. carisa's meal cost $5.92. amy's meal cost $6.46. they gave the waiter the bills shown above

adelina 88 [10]

Answer:

54 cents

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

∠B=

ikadub [295]

Answer:

Step-by-step explanation:

5 0

2 years ago

The width of a rectangular poster is 16 in its length is twice its width find the perimeter

Evgesh-ka [11]

Length = x
width = y

y = 16
x = 2y
x = 2(16)
x = 32

perimeter = 2x + 2y
= 2(32) + 2(16)
= 64 + 32
= 96

6 0

3 years ago