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kobusy [5.1K]
3 years ago
14

A group of students were surveyed to find out if they like building snowmen or skiing as a winter activity. The results of the s

urvey are shown below:
60 students like building snowmen
10 students like building snowmen but do not like skiing
80 students like skiing
50 students do not like building snowmen

Make a two-way table to represent the data and use the table to answer the following questions.

Part A: What percentage of the total students surveyed like both building snowmen and skiing? Show your work. (5 points)

Part B: What is the probability that a student who does not like building snowmen also does not like skiing? Explain your answer. (5 points)
Mathematics
2 answers:
nignag [31]3 years ago
3 0

Answer:

The answer could be easier if you make a ratio and actual graph

Step-by-step explanation:

Vlad [161]3 years ago
3 0

Answer:

7

Step-by-step explanation:

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Which of the following sets of numbers could not represent the three sides of a triangle?
timama [110]

Answer:

  (c)  {13,16,30}

Step-by-step explanation:

In order for the sides lengths to form a triangle, the sum of the shortest two must exceed the longest.

That will not be the case for ...

  {13, 16, 30}

because 13 +16 = 29 < 30.

  (13, 16, 30} could not form a triangle

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For more on the subject, see ...

  brainly.com/question/26258903

8 0
2 years ago
Will give brainlist plz help its for my 9 week exam<br><br> a. 228<br> b. 229<br> c. 172<br> d. 171
natka813 [3]

Answer:

I think its 229

if you take how many yellow marbles he got out of 7 it would be 3/7 and then I divided 400 by 7 and got 57. something so I multiplied 3 times 57 and got 171. So if you take 400-171 you get 229

4 0
3 years ago
Find f · dr c for the given f and
ruslelena [56]
Parameterize the path \mathcal C by

\mathbf r(t)=x(t)\,\mathbf i+y(t)\,\mathbf j

with

x(t)=3\cos t
y(t)=3\sin t

and 0\le t\le\pi. Then

\displaystyle\int_{\mathcal C}\mathbf f(x,y)\cdot\mathrm d\mathbf r=\int_{t=0}^{t=\pi}\mathbf f(x(t),y(t))\cdot\dfrac{\mathrm d\mathbf r}{\mathrm dt}\,\mathrm dt
=\displaystyle\int_0^\pi(9\cos^2t\,\mathbf i+9\sin^2t\,\mathbf j)\cdot(-3\sin t\,\mathbf i+3\cos t\,\mathbf j)\,\mathrm dt
=27\displaystyle\int_0^\pi(\cos t\sin^2t-\sin t\cos^2t)\,\mathrm dt=-18
5 0
3 years ago
2492 divided by 4 in long division
denpristay [2]
Well all I can say is that the answer is 623
7 0
3 years ago
Given a point A(-3,-1), it is dilated by some scale
Sidana [21]

Answer:

B' = (-3, -15)

Step-by-step explanation:

Given

A = (-3,-1)

A' = (-9,-3)

B = (-1,-5)

Required

Determine the coordinates of B'

Since A' is the image of A; we need to first calculate the scale factor using

A' = A * Scale\ factor

Make Scale Factor the subject

Scale\ Factor = \frac{A'}{A}

Substitute values for A' and A

Scale\ Factor = \frac{(-9,-3)}{(-3, -1)}

Factorize the numerator

Scale\ Factor = \frac{3 * (-3,-1)}{(-3, -1)}

Scale\ Factor = \frac{3 * 1}{1}

Scale\ Factor = 3

The coordinates of B' is then calculated as follows:

B' = B * Scale\ Factor

Substitute values for B and Scale Factor

B' = (-1,-5) * 3

B' = (-3, -15)

3 0
2 years ago
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