The train ride at the zoo covers a distance of 2 1/2 miles in 1/3 of an hour. How many miles per hour does the train go? How far can the train travel in 3 hours? show your work.

Answers

Answer 1

Answer: 7.5 mph in 3 hours the train can travel 22.5 miles. Take 2.5 and times it by 3 to get the mph, then multiply that answer by 3 again to get the total miles in 3 hours

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Express the decimal 2.39 as a percent

Answers

To express a decimal number as a percent transform the number to the equivalent fraction with 100 as denominator. The mathematical methodstep by step is: (1) place the decimal number as a fraction withdenominator 1, (2) multiply numerator and denominator times 100, 3)simplify to the minimum denominator, 4) the numerator is the numberexpressed as percent In this case,2.39 = 2.39/1 = (2.39*100) / (1*100)= 239/100 which means that 2.39 is equal to 239%

The decimal expression $2.39$ as a percentage is $\boxed{239\% }.$

Further Explanation:

After decimal the first place is the tenth place, the second place is the hundredth and the third place is the thousandth.

The first digit from the right is the ones place, the second digit from the right is the tens place, the third digit from the right is the hundreds place, the fourth digit from the right is the thousands.

Given:

The decimal expression is $2.39$

Explanation:

The given decimal expression is $2.39.$

The decimal expression can also be expressed as follows,

$\begin{aligned}A&= 2.39\n&= 2 + 0.39\n&= 2 + \frac{{39}}{{100}}\n\end{gathered}$

1 can be expressed in percentage as $100\%$ .

2 can be expressed in percentage as $200\%$ .

$0.39$ can be expressed as a percentage as $39\%.$

The decimal expression as a percentage can be expressed as follows,

$\begin{aligned}A&= 200\% + 39\% \n&= 239\%\n\end{aligned}$

The decimal expression $2.39$ as a percentage is $\boxed{239\% }.$

Learn more:

Learn more about inverse of the functionbrainly.com/question/1632445.
Learn more about equation of circle brainly.com/question/1506955.
Learn more about range and domain of the function brainly.com/question/3412497

Answer details:

Grade: Middle School

Subject: Mathematics

Chapter: Decimal and Percentage

Keywords: decimal, expression, 2.39, percent, place value, base value, decimal expression, as a percentage, percentage.

Equivalent ratios for 5:13

Answers

The equivalent ratio of 5:13 is 25:65.

What is ratio?

The ratio is a numerical relationship between two values that demonstrates how frequently one value contains or is contained within another.

Given:

A ratio expression,

5 : 13.

To find the equivalent ratio:

Multiply by a positive integer,

let the number is 5.

Then,

25:65 is the ratio.

Therefore, 25:65 is the ratio.

To learn more about the ratio;

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Just multiply 5:13 by any number
10:26
15:39
20:52
25:65
etc...

The missing number in the series : 0, 6, 24, 60, 120, ?, 336, is
(A) 240 (B) 220 (C) 280 (D) 210

Answers

$0;\ 6;\ 24;\ 60;\ 120;\ ?;\ 336\n\na_1=0\na_2=6\na_3=24\na_4=60\na_5=120\na_6=?\na_7=336\n\na_n=n^3-n$

$a_1=1^3-1=1-1=0\na_2=2^3-2=8-2=6\na_3=3^3-3=27-3=24\na_4=4^3-4=64-4=60\na_5=5^3-5=125-5=120\na_6=6^3-6=216-6=210\na_7=7^3-7=343-7=336\n\nAnswer:\n?=210$

Gloria has a lunch account in the school cafeteria. The balance, f(x), in her account can be represented by the function f(x) = –1.50x + 40, where x is the number of meals purchased. Suppose –1.50 changed to –2.75. What does this mean in the context of the problem?

Answers

f(x) = -1.50x + 40.....basically, this is saying that Gloria has 40 bucks in her lunch account and each meal costs her 1.50.

By changing the -1.50 to -2.75 means she is paying more for her meals...the cost of a meal went up from 1.50 to 2.75.

Final answer:

The change from -1.50 to -2.75 indicates an increase in the cost of the meals. Consequently, Gloria's lunch account balance will deplete faster now.

Explanation:

In the context of this problem, f(x) = –1.50x + 40 represents how much money Gloria has left in her lunch account after purchasing x number of meals. The coefficient of x, -1.50, indicates the cost per meal. If –1.50 changed to –2.75, it would mean that the cost of each meal has increased from $1.50 to $2.75. Consequently, Gloria's account balance would decrease faster, signifying that less meals can now be purchased with the same amount of money.

Learn more about linear equations here:

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What numbers listed below are equivalent to x^2 = 5A. Square root of -5
B. Square root of 5
C. 25
D.10
E. -25
F. None of these

Answers

The answer is A and B

I hope that's help !

A reasonable estimate for the quotient of 900.37 and 29.8 is 30.
TrueFalse

Answers

Yes, it is true. Because when you divide 900.37 to 29.8, it will give you an answer of 30.21. Round it off to the nearest tens, which is 30.

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