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m_a_m_a [10]
3 years ago
11

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: 60 students like building snowmen; 10 students like building snowmen, but don't like skiing; 80 students like skiing; 5 students don't like building snowmen. Part B: What is the probability that a student who does not like building snowmen also does not like skiing?
Mathematics
1 answer:
Liula [17]3 years ago
6 0

Answer:

2/5 or 0.4

Step-by-step explanation:

10 students like building snowmen but do not like skiing

so students who like both building snowman and skiing = 60 - 10 = 50

Total number of students who does not like building snowman and also does not like skiing = 80 - 60 = 20

Therefore, the probability that  a student who does not like building snowmen also does not like skiing = 20/50 = 0.4

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an electronics store is selling a new tv for $640.00 if there is an 8% sales tax what is the actual cost of the tv
damaskus [11]

Answer:

$691.20

Step-by-step explanation:

640 * 1.08 = 691.2

5 0
3 years ago
Read 2 more answers
What is the area of the shaded region below?
vaieri [72.5K]

Answer:

Step-by-step explanation:

Remark

The triangle with the shaded region makes exactly 1/4 of the entire circle. So the plan is to find the area of the circle and divide by 4. That gives you the area of the triangle and the shaded region. Then you find the area of the triangle and subtract it from what you just found.

Area of the circle

Area of the circle = pi * r^2

r = 12 cm

pi = 3.14

Area of the circle = 3.14 * 12^2

Area of the circle = 3.14 * 144

Area of the circle = 452.16 cm^2

Area of 1/4 of the circle

Area of 1/4 of the circle = (1/4)*452.16

Area of 1/4 of the circle = 113.04

Area of the triangle

b = r

h = r

b = 12 cm

h = 12 cm

Area = 1/2 b * h

area = 1/2 * 12 * 12

area = 72

Area of the shaded part

Shaded part = area of 1/4 of the circle - area of triangle

Area shaded part = 113.04 - 72 = 41.04

Answer area of shaded part = 41.04

7 0
3 years ago
Line AB contains points A(4, 5) and B(9, 7). What is the slope of AB? 5 2 2 5 N/ur un in ni 2 5 o 2​
IRINA_888 [86]

Answer:

The answer is

\frac{2}{5}  \\

Step-by-step explanation:

The slope of a line given two points can be found by using the formula

m =  \frac{ y_2 - y _ 1}{x_ 2 - x_ 1}  \\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

A(4, 5) and B(9, 7).

The slope is

m =  \frac{7 - 5}{9 - 4}  =  \frac{2}{5}  \\

We have the final answer as

\frac{2}{5}  \\

Hope this helps you

5 0
4 years ago
What is the quotient of 35, 520 = 96?<br> O 37<br> O38<br> O 370<br> O 380
Nataly [62]

Answer:

The answer is 370 hoped that helped

7 0
3 years ago
Are all cubes similar? If so, explain why. If not, give an exapmle of two cubes that are not similar.
babunello [35]

All cubes are similar because every one of them have an equal width and length and height.

I really hope I helped

5 0
3 years ago
Read 2 more answers
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