MATHEMATICS MIDDLE SCHOOL

Alya planted 30 trays of flowers. Each tray held 8 flowers. Javon. Planted 230 flowers. Did Alya plant more flowers than javon, the same number of flowers as javon, or fewer flowers than javon?

Answers

Answer 1
Answer: Alya
30 trays
8 per tray
multiply
30 times 8=240

javon
230 flowers
240>230
alya planted more than javon
Answer 2
Answer: Awnser: More than Javon

3x80=240

3x8=24

Then add a 0 to the end

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COLLEGE

One box contains six red balls and four green balls, and a second box contains seven red balls and three green balls. A ball is randomly chosen from the first box and placed in the second box. Then a ball is randomly selected from the sec- ond box and placed in the first box. a. What is the probability that a red ball is selected from the first box and a red ball is selected from the second box?
b. At the conclusion of the selection process, what is the probability that the numbers of red and green balls in the first box are identical to the numbers at the beginning?

Answers

The probability of choosing two red balls and of identical balls in the first box are given by  0.436 and 0.581 respectively.

What is probability?

Probability is the branch of Mathematics that deals with the measurement of the chance of occurrence of a random event.

The probability of any event always lie in the close interval of 0 and 1 [0,1].

The zero value of probability indicates that the event will not happen while its value equal to one indicate that it will happen.

(a) As per the question, the probability of choosing red ball from the first box is   given as below,

P(Red ball first box) = Number of red balls/ Total balls

⇒ 6/10 = 0.6

Then, after putting the same ball in the second box it can be written as,

P(Red ball second box) = Number of red balls/ Total balls

⇒ 8/11 = 0.727

Thus, the probability of choosing red ball from both the boxes is given as,

P( Both Red balls) = 0.6 × 0.727 = 0.436

(b) The number of balls in the first box will be the same when both the selected balls are either red or green.

Then, it can be written as,

P(Identical balls in first box) = P(Both red balls) + P(Both green balls)

P(Both green balls) = 4/10 × 4/11 = 0.145

Thus, the required probability can be found as below,

P(Identical balls in first box) = 0.436 + 0.145 = 0.581

Hence, the required probabilities for both the cases are 0.436 and 0.581 respectively.

To know more about probability click on,

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A. The probability of the first box is 60% or 6/10 and the second box is 70% or 7/10
HIGH SCHOOL

A snack bar sells two sizes of snack packs. A large snack pack costs 5 dollars. A small snack pack costs 3 dollars. In one day the snack bar sells 60 snack packs for a total of 220 dollars how many small snacks packs did they sell.

Answers

X=cost of large snack Y=cost of small snack X+Y=60 5X+3Y=220 To solve for y, solve x+y=60 for x. Subtract y from both sides so you're left with x=-y+60. You now plug in -y+60 for x in the second equation. 5(-y+60)+3y=220 -5y+300+3y=220 -2y+300=220 -2y=-80 Y=40 40 small snack packs is the final answer
MIDDLE SCHOOL

What is the solution to the equation√8x=√4+2x? A. p=2/5 B. p=2/3 C.p=24 D.=40​

Answers

Answer:

B

Step-by-step explanation:

you add the like terms together and find the value of x multiple by 4

MIDDLE SCHOOL

A car company charges $34 per day for a rented car and $0.50 for every mile driven. A second car rental company charges $20 per day and $0.75 for every mile driven. What is the number of miles at which both companies charge the same amount for a one-day rental?

Answers

It would be when it gets to 3 miles because then that would be $1.50

Answer:o$1.50

Step-by-step explanation:

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