Kevin can travel 22 1/2 miles in 1/3 hour. what is his average speed in miles per hour?

Answers

Answer 1

Answer: $(22 (1)/(2) \ mi)/( (1)/(3) \ h)=((45)/(2) \ mi)/((1)/(3) \ h)=(45)/(2) * 3 \ (mi)/(h)=(135)/(2) \ (mi)/(h)=\boxed{67 (1)/(2) \ (mi)/(h)}$

His average speed is 67.5 mph.

Answer 2

Answer:

Answer:

The answer would be 67 and 1/2

Step-by-step explanation: I really hope this helps:)

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Answer the question below correctly for brainliest and 10 points!

13.A student wishes to determine the percentage of students in his school that bring a sack lunch. He decides to poll every student in his grade level. It is found that 30 percent on the students polled bring a sack lunch. The student concludes that 30 percent of the students in the school bring a sack lunch. Identify the abuse of statistics.

bad sample

small sample

nonresponse

loaded question

Answers

Answer:

The answer is Bad sample.

Step-by-step explanation:

The student polls every student in his grade level. It is found that 30 percent on the students polled bring a sack lunch.

The student concludes that 30 percent of the students in the school bring a sack lunch.

Firstly, students of a single grade do not represent the entire school population. The student here asked every student of his class, so the sample was not random. It was biased and bad.

The collected data is not representative of the population, so it is a bad sample or bad sampling.

I would say this is considered small sample, because there is nothing really wrong with his survey in terms of quality. it's not like he only survey boys or girls, or like only survey rich or poor people. In other words, his survey is from a random pool, assuming the kids in his grade are mostly normal people. Therefore, I would say that if this person surveyed more people, then he'll get much better data.

Miles bought a car that cost 23,556, nearest ten thousands, how much did the cart cost

Answers

Rounding to the nearest ten thousands, the car costed $20,000

In a parking lot of 240 red and blue cars, the ratio of red cars to blue cars is 3:5. How many red cars are in the parking lot?

Answers

Given:
240 red and blue cars
3:5 ratio of red cars to blue cars

3 + 5 = 8

red cars: 3/8 * 240 = 90
blue cars: 5/8 * 240 = 150

ratio of red cars to blue cars: 90:150

simplify:
90 ÷ 30 = 3
150 ÷ 30 = 5

Thus: 90:150 = 3:5

Answer:

90, because 3/8 of the cars are red

Step-by-step explanation:

This is the answer on ttm.

Which are characteristics of the graph of the function f(x) = (x + 1)2 + 2? Check all that apply.A.The domain is all real numbers.
B.The range is all real numbers greater than or equal to 1.
C.The y-intercept is 3.
D.The graph of the function is 1 unit up and 2 units to the left Efrom the graph of y = x2.
F.The graph has two x-intercepts.

Answers

This is a polynomial function called Quadratic Function. This is written as:

$f(x)=(x+1)^2+2$

Recall that the graph of a quadratic function is a special type of U-shaped curve called parabola. The graph of this function is shown in the Figure below. From that, we can say the following:

A. The domain is all real numbers.

This is true. In fact, the domain of any polynomial function is the set of all real numbers.

B. The range is all real numbers greater than or equal to 1.

This is false. Instead, the range is all real numbers greater than or equal to 2, that is the $y-coordinate$ of the vertex.

C. The y-intercept is 3.

This is true. We can find the $y-intercept$ letting $x=0$ , so:

$x=0 \n \n y-intercept \rightarrow f(0)=(0+1)^2+2=3$

D. The graph of the function is 1 unit up and 2 units to the left from the graph of $y=x^2$

This is false. The correct statement is that the graph of the function is 2 units up and 1 unit to the left from the graph of $y=x^2$

E. The graph has two x-intercepts.

This is false. As shown the graph below, this function does not have any $x-intercept$

Answer:

A and C

Step-by-step explanation:

The cost of a length of fabric is proportional to the number of yards purchased. The graph shows this relationship.What is the unit rate for cost per yard?

Answers

Unit rate means how much does it cost for 1 item for example...if you can download 2 songs for $5 how much did it cost to download 1 song...you would simply take $5 divided by 2 to get $2.50

In this case we have 5 yards of fabric for $18 so all we have to do is take $18 divided by 5 to find out how much just 1 yard costs.

so $18 divided by 5 is $3.60 so the unit rate cost per yard is $3.60

to make sure this is correct you can check your answer like this. If it is $3.60 for 1 yard how much would it be for 5 yards? Multiply $3.60 and 5 if we get $18 then our answer is correct. $3.60 x 5 does equal $18 so we were correct

Find the value of x that makes the equation true.x + 4 = 12

x = 3
x = 8
x = 16
x = 24

Answers

The correct answer is 8 because 8+4 equals 12

Other Questions

please help me to solve this equation i tried to look it up on multiple websites but they only confused me 9/4-1/(2x)=4/x

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In Crosby's model collection, 5/16 of the models are trains and 7/16 of the models are cars. What part of Crosby's model collection is trains and cars?