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andrey2020 [161]
3 years ago
10

Someone help plz and thanks

Mathematics
1 answer:
mylen [45]3 years ago
5 0

Answer:

Step-by-step explanation:

Total students = 6 + 6 +8 + 4 + 2 +3 + 7 + 5 = 41

Probability of a chosen student be Physics or Chemistry or both =

\dfrac{8}{41}+\dfrac{4}{41}+\dfrac{5}{41}=\dfrac{17}{41}

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Please help thank you
OLga [1]

Answer:

6

∑  n^2

n=1

Step-by-step explanation:

There are 6 terms in the series, so we sum from 1 to 6

The terms are the integers squared

1^1, 2^2, 3^2 4^2, 5^2 6^2  or n^2

6

∑  n^2

n=1

7 0
3 years ago
A cylinder has a height of 4 meters and a diameter that is 12 meters. Using 3.14 for pi, which of the following can be used to c
Studentka2010 [4]

Answer:

Step-by-step explanation:

h = 4 m

d =  12 m

r = 12/2 = 6 m

Volume of cylinder = πr²h

                               = 3.14 * 6 * 6 * 4

                               = 452.16 m³

6 0
3 years ago
I don’t kno the answer help
PolarNik [594]

Answer:

Yes

Step-by-step explanation:

It is true because the equation would be 1 is less than or equal to 3-(-4)

4 0
3 years ago
If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?
Papessa [141]

Answer:

The inequality would be 4x + 9 ≥ 0

Step-by-step explanation:

You could use this inequality to solve the domain as any number can be put into this equation as long as it doesn't make what is under the square root symbol (4x + 9) negative. Therefore, you can build this inequality and solve from there if you would like.

6 0
4 years ago
Read 2 more answers
The ratio of petunias to geraniums in the greenhouse was 15 to 2. The combined numbernof petunias and geraniums was 1020.
AnnZ [28]

Answer:

E. 120

Step-by-step explanation:

Let's say the number of total flowers is (15+2)x

That means the number of geraniums is 2x.

That also means that 1020 = 17x, which makes x = 60

Because 2x = geraniums and x = 60, the number of geraniums is 120

8 0
3 years ago
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