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zimovet [89]
3 years ago
9

Let an integer be chosen at random from the integers 1 to 30 inclusive. Find the probability that the integer chosen is not even

ly divisible by 2.
A. 7/15

B. 1/2

C. 8/15
Mathematics
2 answers:
Daniel [21]3 years ago
6 0

The right answer is C.

mylen [45]3 years ago
5 0
Well since the pattern is odd, even, odd, even you are just as likley to pull on odd (<span>not evenly divisible by 2) numebr as an even number, so the option is C.

Thank you for letting me answer your question here on brainly. I like to help people as much as I can, so please let me now if my answers provide any help to you. It means a lot to me to know that my questions help provide support to people in the community to need help. If you want extra help, you can PM me! I get lot of PMs tough, so it might take a while to respond, my apologies. Thanks for reading this, and have a great day! ~ brainily user, Lillyxrose
</span>
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For every one litre of water used to make medicine,199ml of sucrose and 271ml of saline solution are used. Express the amount of
Elenna [48]

Answer:

1000 : 199 : 271

Step-by-step explanation:

A rations a form of comparison between different variables or quantities.

We want to compare how much water, sucrose and saline solution are used to make the medicine.

The amount of water used is 1 L = 1000 mL

The amount of sucrose used is 199 mL

The amount of saline solution used is 271 mL

Therefore, the ratio of water to sucrose to saline solution is:

1000 : 199 : 271

This is the simplest form because 1000, 199 and 271 do not have any common factors.

8 0
3 years ago
Among all pairs of numbers with a sum of 105 , find the pair whose product is maximum. Write your answers as fractions reduced t
Bond [772]

Answer: Hence Pair( x, y) = [ 105/2, 105/2]

Step-by-step explanation:

Given that;

Among all pairs of numbers with a sum of 105;

the pair whose product is maximum = ?

so let pairs of numbers with a sum of 105 be x and y respectively

x + y = 105

let y = 105 - x

now

product = xy =  x( 105 - x ) = 105x - x²

now

p(x) = 105x - x²

for maximum value of p

dp/dx =0

⇒ dp/dx = 105 - 2x = 0

2x = 105

x = 105/2

y + x = 105

y = 105 - x

y = 105 - 105/2 = 105/2

Hence Pair( x, y) = [ 105/2, 105/2]

8 0
3 years ago
A retired man gets paid 4/5 of his regular salary. If his retirement pay amounts to $28,000, what was his regular salary?
Semmy [17]
The correct answer would be A.
5 0
3 years ago
Answer correctly for brainliest
mr_godi [17]

Answer:

x=3

Step-by-step explanation:

When you substitute x = 3 to both equations, you get y = -4 for both so that is a solution

6 0
3 years ago
What does simplifying the ratio of am to 250 mm to 50 cm give?​
notka56 [123]
If simplifying it means breaking it down with the answer it would be 1/5
7 0
2 years ago
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