Write the set in roster form containing numbers -3, -2, -1, 0, and 1

1 answer:

8 0

Answer: Is the answer is A={-3,-2,-1,0}, I’m not sure if the owner who was written the answer, if it’s right I’ll have more points, if it’s wrong then let someone else answer okay? :)

Step-by-step explanation:

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Write a ratio and a percent for the shaded area.

nika2105 [10]

I’m pretty sure it’s 36/100 - 36% since there are 100 boxes and 36 of them are shaded

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How many x intercepts appear on the graph of this polynomial function? f(x)=x^4-5x^2 1 x intercept 2 x intercepts 3 x intercepts

Bumek [7]

You can find the number of x intercepts by setting f(x) equal to zero giving you 0=x^4-5x^2. You can factor out an x^2 and divide on both sides (when you divide 0 by anything it is still zero so the x^2 disappears), and you are left with 0=x^2-5, which you can solve easily giving you x=+/- sqrt(5). However, the original equation also has an x intercept at (0,0) which you can see by plugging 0 in for x. So the grand total of x intercepts is 3!

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Andrej [43]

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3 years ago

Lamy can paint 84 portraits in 6 weeks. at this rate , how many portraits can he paint in 2 weeks

lilavasa [31]

Answer:

28 portraits

Step-by-step explanation:

Let's first figure out how many portraits Lamy can paint in 1 week, which is his <u>unit rate</u>. To calculate this, we just have to divide the number of portraits he paints by the amount of time it takes him to paint them.

In this case, the former quantity is 84 portraits, and the latter quantity is 6 weeks, so his unit rate is $\frac{84 \text \: portraits}{6 \text \: weeks}$ = 14 paintings per week.

Now, we know that in 1 week, Lamy can paint 14 portraits. Therefore, since this is a <u>directly proportional relationship</u>, all we have to do to find how many portraits he can paint is 2 weeks is double the unit rate. This is because in a directly proportional relationship, if you multiply one variable by a number, you have to multiply the other by the same number to maintain equality, and here we are multiplying weeks by 2 so we need to multiply paintings by 2 as well.

Thus, Lamy can paint 14 · 2 = 28 paintings in 2 weeks.

Hope this helps!

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2 years ago

Is 12/4 equal to 3/12

kotegsom [21]

Answer:

No, it is not.

Step-by-step explanation:

The decimal value of 12/4 is 3

The decimal value of 3/12 is 0.25

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3 years ago