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ikadub [295]
2 years ago
10

Area of a right triangle with base 8cm and height 2cm is

Mathematics
1 answer:
Vinvika [58]2 years ago
5 0

Answer:

the ans is 16 square cm ok

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217x + 99 = 25 what is the answer
EleoNora [17]

217x+99=25 217x=25-99 217x= -74 X=-74/217

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3 years ago
I need answer Immediately pls!!!!!!
Illusion [34]

Given:

Total number of students = 27

Students who play basketball = 7

Student who play baseball = 18

Students who play neither sports = 7

To find:

The probability the student chosen at randomly from the class plays both basketball and base ball.

Solution:

Let the following events,

A : Student plays basketball

B : Student plays baseball

U : Union set or all students.

Then according to given information,

n(U)=27

n(A)=7

n(B)=18

n(A'\cap B')=7

We know that,

n(A\cup B)=n(U)-n(A'\cap B')

n(A\cup B)=27-7

n(A\cup B)=20

Now,

n(A\cup B)=n(A)+n(B)-n(A\cap B)

20=7+18-n(A\cap B)

n(A\cap B)=7+18-20

n(A\cap B)=25-20

n(A\cap B)=5

It means, the number of students who play both sports is 5.

The probability the student chosen at randomly from the class plays both basketball and base ball is

\text{Probability}=\dfrac{\text{Number of students who play both sports}}{\text{Total number of students}}

\text{Probability}=\dfrac{5}{27}

Therefore, the required probability is \dfrac{5}{27}.

3 0
3 years ago
ann and betty share a sum of money in the ratio 2:3 respectively Ann revived $120 what was betty's share
olchik [2.2K]
Well, 120 divided by 2 is 60
60 times 3 is 180
Betty got 180
8 0
3 years ago
Read 2 more answers
Find the surface area of the following figure. Round answers to the nearest tenths.<br> 11 m<br> 5 m
Ganezh [65]

Answer:

502.7 meters squared

Step-by-step explanation:

The equation would be 2πrh+2πr^2. If you just plug in the radius and height you will get 502.65. Round it up and you will get 502.7.

8 0
3 years ago
Is y=9x proportinal?
igor_vitrenko [27]

Answer:

yeah it is

y is directly proportional to x

proportionality constant is 9

7 0
3 years ago
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