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MariettaO [177]
3 years ago
11

Find the value of the expression: a 8x^3 for x=-2;-1;0;3

Mathematics
1 answer:
dsp733 years ago
3 0

Simply replace each x with the given value of x.

<u>When x = -2:</u>

8(-2)^3\\8(-8)\\\\=-64

<u>When x = -1:</u>

8(-1)^3\\8(-1)\\\\=-8

<u>When x = 0:</u>

8(0)^3\\8(0)\\\\=0

<u>When x = 3:</u>

8(3)^3\\8(27)\\\\=216

OR you could use a graph for this, here is how the function is going to look:

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Solve the inequality and enter your solution as an inequality comparing the variable to the solution
weqwewe [10]

Answer:

x < 7

Step-by-step explanation:

We are given an equation of inequality and we have to solve the equation as an inequality.

The given equation is - 19 > x - 26

⇒ - 19 + 26 > x

⇒ 7 > x

⇒ x < 7 {Since, if a > b then we can write b < a, as they are equivalent}

Hence,the solution of the equation of the inequality is x < 7. (Answer)

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3 years ago
Can somebody please help me
Natalija [7]
A is the correct answer
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dlinn [17]
The answer is 18.75% (I THINK, I'm not very good at maths!) here's how I worked it out:

4.5 + 4 1/2 so for the first part it is a fraction 4.5/15 you then multiply this to 5/8 and get 225/120 which you can then simplify to 3/16 then you work out 3 divided by 16 and get 0.1875 and multiply this decimal by 100 to get the percentage, 18.75%. 

Hope this helped, but check with other people (I'm not very good at maths)! 


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Alex787 [66]
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