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Sergio039 [100]
3 years ago
15

Bill wants to plant roses in his triangular plot. There will be 1 plant at a corner. Each row will have 6 additional plants. He

wants the plot to have as many rows as possible with 150 rose plants. How many rows will Bill's plot have?
Options:
5 rows
6 rows
7 rows
8 rows
Mathematics
1 answer:
Vesnalui [34]3 years ago
4 0

Answer:

7 good luck with the answer

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Please explain your answer. Thank you!!
Ad libitum [116K]

Answer:

(A) 180

Step-by-step explanation:

We have to treat those player selections as independent events, since one doesn't influence the other (the fact you chose Joe as a guard, shouldn't have an influence on who'll pick as center, unless there's bad blood between some players... but that's a whole other story).

So, how many ways to pick 2 guards from a selection of 4?  The order doesn't seem to matter here, since they don't specify for example that Joe can only play on the left side).  So, it's a pure combination calculation:

C(4,2) = \frac{4!}{2! * (4 - 2)!} = \frac{24}{2 * 2} = 6

C(4,2) = 6.

How many ways to pick the 2 forwards from a group of 5?  Using the same calculation, we get:

C(5,2) = 10.

And of course, the coach has 3 ways to pick a center player from 3.

Then we multiply the possible ways to pick guards, forwards and center...

6 * 10 * 3 = 180 ways.

7 0
3 years ago
17/9 as a mixed number
Gennadij [26K]
First, you divide 17/9
You will get 1, your remainder as 8.
Using your denominator, your answer will be 1 8/9
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3 years ago
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Y = mx + b looking for x
Tanya [424]

Use the formula y=1 and so forth

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3 years ago
What is the polynomial function of lowest degree with lead coefficient 1 and roots i, –2, and 2?
dimulka [17.4K]

We are given roots of a polynomial function : i, –2, and 2.

And leading coefficient 1 .

We need to find the polynomial function of lowest degree.

<em>Please note: We have one root i, that is a radical root. And a radical always comes in pair of plug and minus sign.</em>

Therefore, there would be another root -i.

So, we got all roots of the polynomial function : i, -i, -2, and 2.

For the given roots, we would have factors of the polynomial (x-i)(x+i)(x+2)(x-2).

Now, we need to multiply those factors to get the polynomial function.

\mathrm{Expand}\:\left(x-i\right)\left(x+i\right):\quad x^2+1

\left(x+2\right)\left(x-2\right):\quad x^2-4

\left(x-i\right)\left(x+i\right)\left(x+2\right)\left(x-2\right)=\left(x^2+1\right)\left(x^2-4\right)

\mathrm{Expand}\:\left(x^2+1\right)\left(x^2-4\right)=x^4-4x^2+ \:x^2-\:4

=x^4-3x^2-4

<h3>Therefore, correct option is 2nd option f(x)=x^4-3x^2-4.</h3>
5 0
2 years ago
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What is the solution to the system of equations graphed below?
SIZIF [17.4K]

Answer:

B

Step-by-step explanation:

The solution to a system of equations given graphically is at the point of intersection of the 2 lines, that is

solution = (0, - 4) → B

6 0
3 years ago
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