MATHEMATICS COLLEGE

5. A box contains 7 red marbles and 3 blue marbles. An experiment consists ofrandomly selecting 2 marbles. Determine the probability of obtaining 2 red
marbles if the first marble selected is returned to the box before the second
marble is selected.
O 1/2
O 49/100
014/20
O 2/7

Answers

Answer 1
Answer:

Answer:

the correct answer is 2/7

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there are 650 students in a school if the number of girls is 106 more than the boys how many boys are in the school​

Answers

There are 272 boys in the school

Answer:

boys = 272

Step-by-step explanation:

b = boys

g = girls

1) write two equations with the given informations:

g + b = 650

g = b + 106

2) substitute the value of g in the first equation:

b + 106 + b = 650

3) solve the equation for b

2b = 544

b = 272

4) substitute the value in the second equation

g = 272 + 106

g = 378

girls = 378

boys = 272

Can anyone please help me under this and what I'm supposed to do. Thank you in advance

Answers

Answer:

n = 31

Explanation:

Solve the equation by rewriting in exponential form using the definition of logarithm and simplifying. In other words, solve for n.

Which of the following have a rate of change of 3?
​

Answers

31 is the rats or change

What is the base 10 representation of 11102?

Answers

Answer:

14

Step-by-step explanation:

The base two number one one one zero is equal to one times eight, plus one times four, plus one times two, plus zero times one, which simplifies to fourteen.

Answer:

1.1102 * 10^4

Step-by-step explanation:

11102

= 1.1102 * 10^4

The amount is 2.88 is ( percent of what price?

Answers

Answer:

Discount = Original Price x Discount %/100

Discount = 2.88 × 1/100

Discount = 2.88 x 0.01

You save = $0.03

Final Price = Original Price - Discount

Final Price = 2.88 - 0.0288

Final Price = $2.85

Which one is it ???

A
B
C
D

Answers

Answer:

C is correct

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

Angle L is an obtuse angle, as all angles in an equilateral pentagon are obtuse.

Also, all other statements are false:

A) The two lines are not parallel, as they would eventually intersect

B) This angle is not acute, as it is more than 90 degrees

D) These lines are not perp., as they do not form right angles at their intersection

So your answer is C! Hope it helps!
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