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aleksandr82 [10.1K]

3 years ago

13

A bag contains 6 red marbles, 8 blue marbles, and 6 white marbles. if one marble is selected at random from the bag and not repl

aced, what is the probability that it will be blue and then blue?

1 answer:

Ostrovityanka [42]3 years ago

5 0

5% is your answer sir

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Double the sum of a double the number and quotient of five and two

Vika [28.1K]

Answer:

The required expression is $2(2x+\frac{5}{2})$

Step-by-step explanation:

Let the number be x

We are supposed to write the algebraic expression of given statement

Double the number = 2x

Quotient of five and two = $\frac{5}{2}$

Now we are given that Double the sum of a double the number and quotient of five and two

So, Sum of a double the number and quotient of five and two = $2x+\frac{5}{2}$

So, Double the sum of a double the number and quotient of five and two = $2(2x+\frac{5}{2})$

Hence The required expression is $2(2x+\frac{5}{2})$

4 0

2 years ago

Kevin decides to build a square for his play park. If the area of the room is 4x^2 + 28x + 49 square feet, what is the length of

leva [86]

We have to factor becasue
area=legnth times width
area=4x^2+28x+49
area=(2x+7)(2x+7)
area=(2x+7)^2
legnth =width

we arent' given area so we can't solve
but, , since it is a squaer room, legnth=width so √area=legnth=width

8 0

3 years ago

Which of the following expressions represents the solution to the inequality statement? -x ≤ -7

natta225 [31]

Answer:

the answer is -8 or 7

Step-by-step explanation:

Sorry im not good w negatives...

4 0

2 years ago

Please help me with these questions. Ill mark brainliest to whoever answers correctly!!

LUCKY_DIMON [66]

Answer:

see below

Step-by-step explanation:

$3(i)\\\\AD=?\\\\\cos (\angle BDA)=\frac{AD}{BD}\\\\\cos (27)=\frac{AD}{3}\\\\AD=3\cos 27\\\\AD\approx 2.67$

$3(ii)\\\\\sin (\angle BCD) = \frac{BD}{CD}\\\\\sin(41)=\frac{3}{CD}\\\\CD=\frac{3}{\sin 41}\\\\CD\approx 4.57$

I'm sorry but i have to go I'll come back in half an hour and finish answering

5 0

2 years ago

When do you use trig functions?

Zielflug [23.3K]

When you have all three sides

7 0

3 years ago