MATHEMATICS MIDDLE SCHOOL

A bus traveled 120 mi in 2.5 h. After picking up new passengers, it traveled another 105 mi in 2 h.What was the average speed of the bus for the entire trip?

Round to the nearest hundredth, if necessary.

48.00 mi/hmi/h

50.00 ​ mi/hmi/h ​

50.25 ​ mi/hmi/h ​

52.50 ​ mi/hmi/h ​

Answers

Answer 1
Answer: The answer is B, 50 mph
Answer 2
Answer:

Answer:

B, I just did the quiz and got it right

Step-by-step explanation:

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 Laura jumped 2.3m in the high jump. Lucy jumped 20% lower. How much was Laura's jump? 

Answers

Well...
because you need to find 20 percent try looking for a lower number like 10 percent
10 percent is 0.23 and double that is 0.46 which is 20 percent higher and so she Laura jumped 0.46m higher than Lucy!
so Laura jumped 0.46m higher
2,3 \rightarrow 100 \% \n x = 2,3 - (0,2 * 2,3) \n \n x = 1.84m


\n \n (2,3)/(1,84) = 1,25 \n Laura's \ jump \ was \ 25\% \ higher

7:30, 7:55, 8:20,...

Answers

Answer:

7:30 , 7:55 ,8:20 ,8:45 ,9:00, 9:25

Step-by-step explanation:

We subtract 7:55 from 8:20

1) 8:20

- 7:55

2) 7:2 60

-7:55

3) 0:25

we put 60(because it's time and we put in in 1 hour 60 minutes)and we take 1 hour from the 8 to put the 60 minutes ,so we continue adding 25 minutes to the time.

The question relates to Mathematics, specifically the patterns in sequences. The sequence 7:30, 7:55, 8:20 increases by 25 minutes each turn. Hence, the next term in the sequence is 8:45.

The question you asked belongs to the field of Mathematics, more specifically, it pertains to sequences and patterns. The series 7:30, 7:55, 8:20 appears to progress with a common difference of 25 minutes. To derive subsequent terms, continue adding 25 minutes to the preceding term.

Let me illustrate this with an example: The first term is 7:30, and if we add 25 minutes, we get 7:55, which is the second term. Adding 25 minutes to 7:55 gives us 8:20, which is the third term. Hence, If we add 25 minutes to 8:20, the next term would be 8:45.

So to answer your question directly, the next term in the given series would be 8:45.

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MOVIES A movie director is creating a scale model of the Empire State Building to use in a scene. The Empire State Building is 1250 feet tall. If the model is 75 inches tall, what is the scale of the model?

Answers

The scale of model is 3 inches = 50 feet

Step-by-step explanation:

Given,

Height of Empire state building = 1250 feet

Height of model of building = 75 inches

Therefore;

75 inches = 1250 feet

We will divide the height in feet with the height in inches to determine the scale of model.

1 inch = (1250)/(75)

1 inch = (50)/(3)\ feet

Multiplying both sides by 3

3*1\ inches = (50)/(3)*3\ feet\n3\ inches = 50\ feet

The scale of model is 3 inches = 50 feet

Keywords: ratio, division

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Say that you put the set of tiles shown below into a bag and conduct a series of trials in which you draw one tile randomly from the bag, record the color, and replace it. The table below shows the number of times in each set of trials that you drew a blue tile. Round tiles: 5 purple, 6 orange, 2 yellow, 4 red, 1 white, 10 blue, 5 black, 3 green. Trial 1 2 3 4 5 # of Draws 54 36 80 22 75 # of Blues 18 11 20 4 32 Between the theoretical probability that you will draw a blue tile and the experimental probability that you will draw a blue tile, which is greater, and how much greater is it? Express all probabilities as percentages to two decimal places, and express differences by number of percentage points (for example, 12% is 2 percentage points greater than 10%). a. The theoretical probability is 2.78 percentage points greater than the experimental probability. b. The theoretical probability is 1.49 percentage points greater than the experimental probability. c. The experimental probability is 4.06 percentage points greater than the theoretical probability. d. The experimental probability is 2.17 percentage points greater than the theoretical probability.

Answers

The correct answer is (c) The experimental probability is 4.06 percentage points greater than the theoretical probability.

To compare the theoretical probability and the experimental probability of drawing a blue tile, we need to first calculate each one.

Theoretical probability of drawing a blue tile:

Total number of tiles = 5 + 6 + 2 + 4 + 1 + 10 + 5 + 3 = 36

Number of blue tiles = 10

Theoretical probability of drawing a blue tile = number of blue tiles / total number of tiles = 10 / 36 = 27.78%

Experimental probability of drawing a blue tile:

Number of draws in the five trials = 54 + 36 + 80 + 22 + 75 = 267

Number of blue tiles drawn in the five trials = 18 + 11 + 20 + 4 + 32 = 85

Experimental probability of drawing a blue tile = number of blue tiles drawn / number of draws = 85 / 267 = 31.84%

To compare the two probabilities, we subtract the experimental probability from the theoretical probability:

Theoretical probability - experimental probability = 27.78% - 31.84% = -4.06%

The result is negative, which means that the experimental probability is greater than the theoretical probability.

However, we need to express this difference as an absolute value (i.e., without the negative sign) and as a number of percentage points.

The absolute value of -4.06% is 4.06%, and this is the amount by which the experimental probability is greater than the theoretical probability.

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Answer:

c.

The experimental probability is 4.06 percentage points greater than the theoretical probability.

Step-by-step explanation:

julian is mixing drops of food coloring to create green frosting for a cake he uses 18 drops of yellow dye and 12 drops of blue dye find the ratio of drops of blue dye to total drops of dye express as a SIMPLIFIED RATIO

Answers

so the ratio is 18:12. you just divide each number down as much as you can so for this they are both divisible by 6 giving you a ratio of 3:2

Answer number 11 please

Answers

I always like to use money as an example. So for example, you have $22.00 and need to split it up between 4 friends, you would need to divide that money by 4 to figure out how much each person gets.

Hope this helps :)
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