MATHEMATICS MIDDLE SCHOOL

a bag contains green Marbles and purple marbles if a marble is randomly selected from the bag the probability that it is green is 0.6 and the probability that it is purple is 0.4. Dylan draws a marble from the bag, notes its color, and returns it to the bag. He does this 50 times. How many times would you expect Dylan to draw a green marble?

Answers

Answer 1
Answer: Here, I have found the answer for you with an explanation:
Answer 2
Answer:

Answer:

the answer is 180

Step-by-step explanation:

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Blueberries are $4.99 a pound. Jada buys p pounds of blueberries and pays c dollars.

Answers

Jada buys  c/4.99 pounds of Blueberries.

What is a system of equations?

A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.

It is given that,

Cost of one pound of blueberries = $4.99

Blueberries bought by Jada = p pounds

Cost of  p pounds of blueberries = c dollars

Now since cost of one pound of blueberries = $4.99

Therefore, Cost of  p pounds of blueberries = p * $4.99

or, cost of p pounds of blueberries = $4.99p

Now since Jada pays c dollars for p pounds

⇒ c dollars = $4.99 p

⇒ p = c/4.99

Hence,Jada buys c/4.99 pounds of Blueberries for p dollars.

More about equations :

brainly.com/question/10413253

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Find out how much p pounds jada bought of blueberries and find out how much she paid

Heelelp meeeee pleaseeeeeeeeeeee

Answers

Answer:

answer is 446

Step-by-step explanation:

Is 0.313131 (repeating) a rational number?

Answers

yes any repeating decimal is a rational.
ex.
.7878787878...
The answer would be yes. If the number is repeating, it is also rational. For example, 0.161616161 would be a repeating, rational number. :)

Valentina purchased 200 beads for $48 to make necklaces. If she needs to buy 25 more beads, how much will she pay if she is charged the same rate?

Answers

(200)/(48) = (25)/(x) \n \n 200x=48 (25) \n \n 200x =1200 \n \n \boxed {x=6}



It would cost her $6

A telephone company charges a fixed monthly rate plus a rate per minute of usage. The company charges $135 for 100 minutes of usage and $375 for 500 minutes of usage. An equation can be written to show the relationship between the total minutes used (x) and the total monthly charges (y). Which of the following best describes the steps to draw the graph of y against x? Draw a graph which joins the points (135, 100) and (375, 500) and has a slope = 0.6 Draw a graph which joins the points (100, 135) and (500, 375) and has a slope = 0.6 Draw a graph which joins the points (100, 135) and (500, 375) and has a slope = 1.67 Draw a graph which joins the points (135, 100) and (375, 500) and has a slope = 1.67

Answers

Answer:

The graph which describes the relationship between company charges and minutes of usage is the graph containing the points (100,135) and (500,375) and has a slope of 0.6. Where the first coordinate of the points are the minutes and the second coordinate the charges.

Step-by-step explanation:

As the first coordinate of a point always represents the x variable and the second coordinate they value, the possible options to describes this situation are:

  • The graph join which joins the points (100,135) and (500,375) and has a slope =0.6
  • The graph join which joins the points (100,135) and (500,375) and has a slope =1.6

The other options are not possible since the order of the coordinates is inverted.  

One of the possibilities showing above must be rejected since one have the incorrect slope. To verify the correct slope we calculate the variation of y coordinates and divide by the variation of x coordinates:

m=((y2-y1))/((x2-x1))

Assuming the point named '2' as the point (100,135) and the point named '1' as (500,375):

m=((375-135) \$)/((500-100) minutes)

m=((240) \$)/((400) minutes)

m=0.6 \$/minutes

Thus, that the graph joining the points (100,135) and (500,375) and has a slope of 0.6 the only possible action.
The correct answer to this question is letter "B. Draw a graph which joins the points (100, 135) and (500, 375) and has a slope = 0.6." The one on the x axis should be the number of minutes and on the other hand, the one on the y axis should be the amount being charged.

What is 4 x 3/4 simplest form?

Answers

4*(3)/(4)= 12/4 = 3
its 1 because when multiplying a whole number and a fraction you just take the fraction of the whole number ex. 8 x 7/8 = 1 and 10 x 1/2= 5
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