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andrey2020 [161]
2 years ago
12

A group of students were surveyed to find out if they like watching television or reading during their free time. The results of

the survey are shown below:
90 students like watching television
20 students like watching television but do not like reading
80 students like reading
40 students do not like watching television

Like Watching TV
Do Not Like Watching TV

Total
Like Reading 70 10 80
Do Not Like Reading 20 30 50
Total 90 40 130
What percentage of the total students surveyed like both watching television and reading? What is the probability that a student who does not like watching television also does not like reading? (10 points)



Hint: When you have a decimal, convert it to a percent by multiplying 100.

a
69.2% like both watching television and reading; 75% do not like watching TV and reading
b
75% like both watching television and reading; 53.85% do not like watching TV and reading
c
53.85% like both watching television and reading; 75% do not like watching TV and reading
d
61.5% like both watching television and reading; 53.85% do not like watching TV and reading
Mathematics
1 answer:
slava [35]2 years ago
6 0

Answer:

dis dude giving me lecture rn so c\ant answer the best

Step-by-step explanation:sheeesh
(23423)

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Simplify the expression the root of negative sixteen all over the quantity of three minus three i plus the quantity of one minus
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The first step is to multiply the fraction by (3 +3i) / (3 +3i) to delete the i terms from the denominator:

\frac{ \sqrt{-16} }{3-3i} . \frac{3+31}{3+3i} +1-2i=  \frac{4i(3+3i)}{9+9} +1-2i= \frac{12i-12}{18} +1-2i=

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3 years ago
The graph of F(x), shown below, resembles the graph of G(x)= x², but it has
NNADVOKAT [17]

The equation of the function is  F(x) = -3(x-4)² +4 , the correct answer is Option D

The missing graph is attached with the answer

<h3>What is a function ?</h3>

A function is a law that relate the independent variable and the dependent variable.

It is given that

The graph of F(x), shown below, resembles the graph of G(x)= x², but it has been changed

From the graph, it is seen that,

G(x) when shifted by -4 on the negative x axis.

and graph shifted by +4 on the positive y axis.

F(x) is scaled by a factor of -⅓ of G(x)

it is reflected across the x-axis.

So the equation of the function is

F(x) = -3(x-4)² +4

Therefore ,  the correct answer is Option D.

To know more about Function

brainly.com/question/12431044

#SPJ1

8 0
2 years ago
You received a ​$100 gift certificate to a clothing store. The store sells​ T-shirts for ​$12 and dress shirts for ​$21. You wan
Kay [80]

Answer:

3 dress shirts and 3 T-shirts

4 dress shirts and 1 T-shirt

Step-by-step explanation:

You must spend at least $93 and no more than $100.

2 dress shirts: $42 + 5 T-shirts: $60 = $102 too much money

2 dress shirts: $42 + 4 T-shirts: $48 = $90 too much money left

3 dress shirts: $63 + 3 T-shirts: $36 = $99 this works

4 dress shirts: $84 + 1 T-shirt: $12 = $96 this works

5 dress shirts: $105 too much money

Answer:

3 dress shirts and 3 T-shirts

4 dress shirts and 1 T-shirt

4 0
3 years ago
Which equation can be used to solve for x in the following diagram?
lions [1.4K]

Answer:

b

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Enlarge the triangle by scale factor 1.5 using (4,4)<br> as the center of enlargement.​
maria [59]

Answer:

The answer is below

Step-by-step explanation:

Transformation is the movement of a point from its initial location to a new location. Types of transformation are translation, reflection, dilation and rotation.

Dilation is the enlargement or reduction of the size of a figure. If a point A(x, y) is dilated about the center of origin by a factor k, the new point is at A'(kx, ky)

If a point A(x, y) is dilated about the point (a,b) by a factor k, the new point is at A'(k(x - a) + a, k(y - b) + b)

From the image the vertex of the triangle is at (0,0), (-2, 4) and (-2, 0). If the triangle is enlarged by scale factor 1.5 using (4,4)  as the center of enlargement.. Hence the new points are:

For (0,0): (1.5(0 - 4) + 4, 1.5(0 - 4) + 4) = (-2, -2)

For (-2,4): (1.5(-2 - 4) + 4, 1.5(4 - 4) + 4) = (-5, 4)

For (-2, 0): (1.5(-2 - 4) + 4, 1.5(0 - 4) + 4) = (-5, -2)

8 0
3 years ago
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