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3 years ago

14

X2+11x+30 what does x2 mean

1 answer:

Alexxandr [17]3 years ago

4 0

x^2 in the function that you typed is x * x ( x multiplied by x). It represents a second degree because there are only 2 "x"s multiplied together. If there were 3 "x"s multiplied together, we would have x^3. Since the highest exponent in this function is 2 (in x^2), we call this function a 2nd degree polynomial.

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Find all zeros of x^4+x

Yuri [45]

Answer:

-1 and 0

Step-by-step explanation:

X ^4+x = 0;

x*(x^3+1)=0;

x*[(x^3-x)+(x+1)]=0;

x*[x(x-1)(x+1)+(x+1)]=0;

x*(x+1)(x^2-x+1)=0;

Since x^2-x+1=0 has no intersection with the X-axis, there is no x value such that y=0

x=0 or -1

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2 years ago

Karen operates a hot dog stand. On Wednesday she used 9 1/3 bags of hot

trapecia [35]

<h2>Explanation:</h2>

We know that Karen operates a hot dog stand. So we have:

<u>On Wednesday:</u>

<u></u>

<u></u> $\text{She used} \ 9 \frac{1}{3} \ \text{bags of hot dog buns.}$ <u></u>

<u></u>

<u>On Thursday:</u>

<u></u>

<u></u> $\text{She used} \ \frac{1}{3} \ \text{as many hot dog buns as on Wednesday}$ <u></u>

<u></u>

Therefore, if x is the amount of hot dog buns she used on Thursday, then:

$x=\frac{1}{3}(9\frac{1}{3}) \\ \\ x=\frac{1}{3}\times 9+\frac{1}{3}\times \frac{1}{3} \\ \\ x=\frac{28}{9}$

Therefore, on Thursday she used 28/9 bags of hot dog buns.

6 0

3 years ago

8m-6=2(4m-_____) <br> Factoring using GFC

Shtirlitz [24]

8m-6= 2(4m-3)

all you needed to do was to divide 2 into every
term

Hope this helps

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3 years ago

3 movie tickets cost 3690$. At this rate, the cost per ticket is $....

Lemur [1.5K]

Answer: The cost per ticket is $1,230.

Explanation: 3,690/3 = 1,230.

4 0

3 years ago

Read 2 more answers

For every 3 green marbles James has, he has 2 yellow marbles. What is the ratio of green to yellow marbles? If James has 12 gree

Sever21 [200]

Is is a 3 to 2 ratio

6 0

3 years ago