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Travka [436]
2 years ago
15

I kneed help plsssssssssssssssssss

Mathematics
2 answers:
Otrada [13]2 years ago
8 0

Answer:

2 2/5 or 12/5 (if u want it in improper fraction) but both works!

Step-by-step explanation:

gayaneshka [121]2 years ago
3 0

Answer: 2 2/5

Step-by-step explanation: 9/5 has to have the same denominator as 6/10 so it becomes 18/10 and subtracting a negative number makes it addition so 18/10 + 6/10 is 24/10 and you simplify it to become 2 2/5

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What is the mean of this discrete random variable?
melisa1 [442]
My answer is 28.5 i believe i just added all of my numbers for the x variable and i divided it by by 6 because thats how many numbers you have
5 0
3 years ago
How to find the volume of a quarter-sphere?
Ganezh [65]

As the word suggests, a quarter-sphere is a quarter of a sphere, and thus the volume of a quarter-sphere is a quarter of the volume of the sphere.

The volume of a sphere is computed as

\dfrac{4}{3} \pi r^3

So, the volume of a quarter-sphere is

\dfrac{1}{4}\cdot \dfrac{4}{3} \pi r^3 = \dfrac{1}{3} \pi r^3

7 0
2 years ago
Sylvia and Darlene collect seashells.
svlad2 [7]

Answer:

S = 60

Step-by-step explanation:

240 divided by 4 is equal to 60

5 0
2 years ago
Match the following items by evaluating the expression for x = -7. x-2 x-1 x0 x1 x2
frosja888 [35]

Answer:

{x}^{ - 2}  =  \frac{1}{ {x}^{2} }  \:  \: –> {7}^{ - 2}  =  \frac{1}{ {7}^{2} }  =  \frac{ 1}{49}  \\  \\  {x}^{ - 1}  =  \frac{1}{ {x}^{1} }   \: –>  {7}^{ - 1}  =  \frac{1}{ {7}^{1} } =  \frac{1}{7}  \\  \\  {x}^{0} –> {7}^{0}   = 1 \\  \\  {x}^{1}  –> {7}^{1}  = 7 \\  \\  {x}^{2}  –> {7}^{2}  = 49

7 0
2 years ago
HELP PLEASE!!!
Hitman42 [59]

Answer:

1. false

2. 17 times

Step-by-step explanation:

The sum of all the probabilities of outcomes of an event is equal to 1

2.  A die has  1,2,3,4,5,6

P(4) = number of 4's/ total numbers

       = 1/6

Multiply the number of roll's by the probability of getting a 4

100 *1/6 = 50/3 = 16 2/3

This is approximately 17

3 0
3 years ago
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