MATHEMATICS MIDDLE SCHOOL

PLEASE HELP! THIS IS THE LAST QUESTION ON MY HOMEWORK!Fracisco's game involves 3 green,2 yellow,4 red, and 3 black marbles. If he randomly draws three marbles from the bag, without replacement, what is the probability that he will draw yellow, and then red, and then black?

Answers

Answer 1
Answer: (2/12) X (4/11) X (3/10) = .018
Answer 2
Answer: (2/12) X (4/11) X (3/10) = .018

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Which is the graph of the function f(x) =1/2x^2-6

Answers

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In attempting to solve the system of equations y 3x 2 and 6x 2y 4, John graphed the two equations on his calculator. Because he saw only one line, John wrote that the answer to the system is the empty set. Is he correct? Explain your answer.

Answers

No, he is not correct. The lines are the same, so there are an infinite number of solutions.

When two lines are parallel, then the solution is empty set.

Wich box is greater, a 1.5- pound box of raisins or a 650-gram box of rocks?

Answers

❅☃ 1.5 pounds.
❅☃ 1.5 pounds weighs 680.389 grams.
❅☃ Leaving it higher then the 650 gram box of rocks. 
The first step of this is to convert them both to the same unit. since 1 pound is equal to .45 kg, .45*1.5=.68 kg. now we need to convert kg to grams, when we do this we get 680 grams of raisins and 650 grams of rocks. we can obviously see that the box of raisins is heavier.

Barbara's goal is to practice piano 20 minutes for every 5 minutes of lessons she takes.if she takes a 20 minute piano lesson this week,how many minutes should she practice this week

Answers

80 minutes or an hour and 20 minutes

Suppose that g (x) varies inversely with x and g (x)=0.2 when x = 0.1.What is g (x) when x = 1.6?

0.0125
0.032
0.02
0.06

Answers

Answer : 0.0125

Suppose that g (x) varies inversely with x and g (x)=0.2 when x = 0.1.

If x varies inversely with y then y=k/x

Where k is constant of proportionality

g (x) varies inversely with x , so g(x) = (k)/(x)

g (x)=0.2 when x = 0.1

Plug in the values and solve for k

g(x) = (k)/(x)

0.2 = (k)/(0.1)

Multiply 0.1 on both sides

0.02 = k

so g(x) = (0.02)/(x)

Now we need to find g(x) when x= 1.6

Plug in 1.6 for x  and find out g(x) in the above equation

g(x) = (0.02)/(1.6)

g(x)= 0.0125

Answer:

A. 0.0125

Step-by-step explanation:

0.2*0.1= 0.02

.02/1.6 = 0.0125

Took the test and got it correct

What are the solution(s) to the quadratic equation 40 - x2 = 0?A. x = +2,10
B. x = +4/10
C. x = +2/5
D. x = -4/5

Answers

Answer:

A) x = ±2√(10)

Step-by-step explanation:

I graphed the quadratic equation below and found the solutions to the equation.

If this answer is correct please make me Brainliest!
A is the answer for this problem
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