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professor190 [17]
3 years ago
15

Determine intervals y= -x^3 + 3x^2 -2

Mathematics
1 answer:
motikmotik3 years ago
3 0

Answer:

(2,2) and (0,-2)

Step-by-step explanation:

Use the website desmos for questions like graphing

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A woman spent two thirds of her money she lost two thirds the remainder and then had $4 left how much money did she start with
Lisa [10]

Answer

Find out  how much money did she start with.

To proof

let us assume that the money she had be x.

As given

woman spent two thirds of her money

Money\ spent = \frac{2x}{3}

Money she had after spent two thirds of her money  = Total money - money spent

= x - \frac{2x}{3}

= \frac{1x}{3}

As given she lost two thirds the remainder

=\frac{2}{3}\times ( money\ she\ had\ after\ spending\ two\ thirds\ of\ her\ money)

= \frac{2}{3} \times\frac{1x}{3}

we get

=\frac{2x}{9}

Money she had after lost two thirds the remainder = Money she had after spent two thirds of her money - she lost two thirds the remainder

= \frac{1x}{3} - \frac{2x}{9}

= \frac{1x}{9}

As given

she had $4 left

thus

\frac{1x}{9} = 4

x = $36

she start with $36.

Hence proved

3 0
3 years ago
Read 2 more answers
What is the measure of NRS?
never [62]

Answer:

<h3>C. 113°</h3>

Step-by-step explanation:

(7x - 1) + 79° = 21x + 8

• An exterior angle of a triangle is equal to the sum of its two interior opposite angles.

(7x - 1) +79  = 21x + 8 \\ 7x - 1 + 79 = 21x + 8 \\ 7x +  78 = 21x + 8 \\ 78 - 8 = 21x - 7x \\ 70 = 14x \\  \frac{70}{14}  = x \\ 5 = x \\

NRS = 21x + 8

21x + 8 \\ 21(5) + 8 \\ 105 + 8 \\  {113}^{o}

6 0
2 years ago
I need help steps to find the answer
sleet_krkn [62]

Step-by-step explanation:

101° = (6x + 5)° (by F angles)

Therefore 6x = 96 and x = 16.

6 0
3 years ago
Read 2 more answers
√3 + i<br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B3%7D%20%20%2B%20i" id="TexFormula1" title=" \sqrt{3} + i" alt=" \sqrt{
musickatia [10]
You can't simplify this further but can convert it to Trignometric form.

2(cos(pie/6)+ísin(pie/6))
8 0
3 years ago
11,285 rounded to the nearest hundred
Volgvan

Answer:

11,300

Step-by-step explanation:

4 0
2 years ago
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