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OlgaM077 [116]
4 years ago
11

a researchers garden contains 90 sweet pea plants, which have either white or purple flowers. about 70 of the plants have purple

flowers, and about 20 have white flowers. would you expect that one plant randomly selected from the garden will have purple or white flowers? Explain.
Mathematics
1 answer:
KiRa [710]4 years ago
6 0
I would expect it to be purple because the odds of getting purple are 7:2.
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Find the area of the rectangle. 20 and 9.
weeeeeb [17]

Answer:

180

Step-by-step explanation:

20 x 9 = 180

Let me know if you need more help!

3 0
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In a recent year, 27% of all college students were enrolled part-time. Of 7.6 million college students were enrolled part-time t
Mkey [24]

2,052,000

27%=.27

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7 0
3 years ago
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I work 20 hours week and 11.75 hour what kind of apartment will I be able to get on my income get paid every 2 weeks
daser333 [38]

Answer:

You make $270 every two weeks. Since you pay rent on the first of every month you will have made two paychecks which would equal out to $540.00 a month.. apartments usually run $700 or more a month... So sorry man, you cant afford an apartment. however, you might be able to find one that cheap, but its very very very rare. You will also not be able to afford food or any bills that will come your way..

Step-by-step explanation:


3 0
3 years ago
Which of the values shown are potential roots of f(x) = 3x3 â€"" 13x2 â€"" 3x 45? Select all that apply.
Verdich [7]

The potential roots of the function are, \pm1, \ \pm3, \ \pm5, \ \pm9,\  \pm15, \ \pm45,\  \pm \dfrac{1}{3},\  \pm \dfrac{5}{3}

And the accurate root is 3 it can be determined by using rules of the rational root equation.

<h2>Given that,</h2>

Function; \rm f(x) = 3x^3 - 13x^2 -3x + 45

<h3>We have to determine,</h3>

Which of the values shown are potential roots of the given equation?

<h3>According to the question,</h3>

Potential roots of the polynomial are all possible roots of f(x).

\rm f(x) = 3x^3 - 13x^2 -3x + 45

Using rational root theorem test. We will find all the possible or potential roots of the polynomial.

\rm p=\dfrac{All\  the \ positive}{Negative\  factors \ of\  45}

\rm q=\dfrac{All\  the \ positive}{Negative\  factors \ of\  3}

The factor of the term 45 are,

\pm1, \ \pm3, \ \pm5, \ \pm9,\  \pm15, \ \pm45

And The factor of 3 are,

\pm1, \ \pm3

All the possible roots are,

\dfrac{p}{q} = \pm1, \ \pm3, \ \pm5, \ \pm9,\  \pm15, \ \pm45,\  \pm \dfrac{1}{3},\  \pm \dfrac{5}{3}

Now check for all the rational roots which are possible for the given function,

\rm f(x) = 3x^3 - 13x^2 -3x + 45\\\\ f(1) = 3(1)^3 - 13(1)^2 -3(1) + 45 = 3-13-3+45 = 32\neq 0\\\\ f(-1) = 3(-1)^3 - 13(-1)^2 -3(-1) + 45 =- 3-13+3+45 = 32\neq 0\\\\ f(3) = 3(3)^3 - 13(3)^2 -3(3) + 45 = 81-117-9+45 =0\\\\ f(-3) = 3(-3)^3 - 13(-3)^2 -3(-3) + 45 = -81+117+9+45 =-144\neq 0

Therefore, x = 3 is the potential root of the given function.

Hence, The potential roots of the function are, \pm1, \ \pm3, \ \pm5, \ \pm9,\  \pm15, \ \pm45,\  \pm \dfrac{1}{3},\  \pm \dfrac{5}{3}.

For more details about Potential roots refer to the link given below.

brainly.com/question/25873992

8 0
2 years ago
Please help me idk this
ozzi

Answer:

.906

Step-by-step explanation:

you take the number after is 5 or higher you round up 4 or lower round down

6 0
3 years ago
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