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8090 [49]
3 years ago
9

I don’t understand this please help

Mathematics
1 answer:
11111nata11111 [884]3 years ago
8 0

Answer:

3rd option

Step-by-step explanation:

-8 ≥ -5x + 2 > -38 subtract 2 from all three expressions

-10 ≥ -5x > -40 divide by 5

-2 ≥ -x > -8 now multiply by -1

2 ≤ x < 8

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True. A regular quadrilateral has 4 equal sides. 
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3 years ago
Which of the following graphs could be the graph of the function f(x) = x4 + x3 – x2 – x?
vitfil [10]

<u> Solution-</u>

The given function is,

f(x) = x^4+ x^3-x^2-x

     = x^3(x+1)- x(x+1)

     = (x+1)(x^3-x)

     = (x+1)x(x^2-1)

     = (x+1)x(x+1)(x-1)

     = {(x+1)}^2x(x-1)

Therefore, at x=0, -1, 1 , f(x) will be 0 . Hence, 0, -1 ,1 are the x-intercepts.

Plotting the graph on desmos, the graph will be as in the attachment.

7 0
4 years ago
Read 2 more answers
Anna found that there are 34 options for pizzas with different toppings at her local pizzeria. How many total options are there
wel
34, because it says 34 options for pizzas with different toppings
4 0
3 years ago
What is the value of x?<br>360<br>x = [?]​
atroni [7]

Answer:

<h2>x = 54</h2>

Step-by-step explanation:

The line is tangent. Therefore, the angle between the tangent and the radius is the right angle.

We know: the sum of the angles measures in a triangle is 180°.

Therefore we have the equation:

x+36+90=180          <em>combine like terms</em>

x+126=180            <em>subtract 126 from both sides</em>

x=54

7 0
3 years ago
I NEED HELP PLEASE ASAP !
In-s [12.5K]

The first rule you need to know is

(a^b)^c=a^{bc}

So, you have

\dfrac{(x^{25})^{-6}}{(x^{-3})^{48}}=\dfrac{x^{25\cdot(-6)}}{x^{-3\cdot 48}}=\dfrac{x^{-150}}{x^{-144}}

The second rule you need to know is

\dfrac{a^b}{a^c}=a^{b-c}

So, you have

\dfrac{x^{-150}}{x^{-144}}=x^{-150-(-144)}=x^{-150+144}=x^{-6}

4 0
4 years ago
Read 2 more answers
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