Mario walked at a rate of 2/3 mile every 10 minutes. What was his rate in person hour? A.)4 B)6 2/3 C)9 D)15

Answers

Answer 1

Answer: $1~\text{h}=60~\mathrm{min}~~\Leftrightarrow~~\boxed{\begin{array}{c} 1\mathrm{~min}=(1)/(60)\mathrm{~h} \end{array}}$

Therefore,

$(2)/(3)~\frac{\mathrm{mile}}{10\mathrm{~min}}\n \n \n =(2)/(3)~\frac{\mathrm{mile}}{10\cdot ((1)/(60)~\mathrm{min})}\n \n \n =(2)/(3)~\frac{\mathrm{mile}}{(10)/(60)~\mathrm{min}}\n \n \n =(2)/(3)~\frac{\mathrm{mile}}{(1)/(6)~\mathrm{min}}\n \n \n =(2)/(3\cdot (1)/(6))~\frac{\mathrm{mile}}{\mathrm{min}}\n \n \n =(2)/(((3)/(6)))~\frac{\mathrm{mile}}{\mathrm{min}}\n \n \n =2\cdot (6)/(3)~\frac{\mathrm{mile}}{\mathrm{min}}\n \n \n =2\cdot 2~\frac{\mathrm{mile}}{\mathrm{min}}\n \n \n =4~\frac{\mathrm{miles}}{\mathrm{min}}$

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Anthony had $280. Johnnie had $420. What is the ratio of Anthony's money to Johnnie's money?

Answers

Do you know how to use a ratio table??

its pretty much like simplifying fractions:

so 280:420, and then we want to divide both sides by 280, resulting in a 1:1.5 ratio.
your final answer is...

1:1.5 (or one to one and a half ratio)

2:3 / 2
1:1.5 is the answer

Select all the expressions that are equal to the product of 8 and 10

Answers

Is there a pic provided

Final answer:

Expressions that result in 80, such as 70+10, 100-20, or 16x5, are equal to the product of 8 and 10. The operation within the expression can vary as long as the result is 80.

Explanation:

The product of 8 and 10 is 80. Therefore, any expression that results in 80 is equal to the product of 8 and 10. For example, expressions like 70+10, 100-20, 16x5 are equal to the product of 8 and 10 as they all equal 80.

Notice that the operations within the expressions can vary. You could have addition, subtraction, multiplication, or even a combination of these operations as long as the result is 80, it is an equivalent expression to the product of 8 and 10.

Learn more about Equivalent Expressions here:

brainly.com/question/32827451

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A circular plate has a radius of 13 cm.What is the area of the plate?

Use 3.14 for π .

Enter your answer as a decimal in the box.

Answers

a=pir^2
a=pi13^2
a=169pi
a=530.66 square cm

Answer: 530.66 is the answer

Hope u get a good grade

Compute the standard deviation for the set of data.
2,5, 6, 8, 14

Answers

Answer:

Step-by-step explanation:

First work out the mean:

Mean = (2 + 5 + 6 + 8 + 14) / 5

= 35/5 = 7.

Now subtract the mean form each of the values:

2 - 7 = -5

5 - 7 = -2

6 - 7 = -1

8 - 7 = 1

7 - 14 = -7.

The squares of these are 25, 4, 1, 1, 49

Their sum = 25 + 4 + 1 + 1 + 49 = 80

Now divide this by 5 = 16.

Standard deviation is √16 = 4.

Whats 16/40 as a mixed fraction?

Answers

You can't do that in less the 40 is over 16

49.3 mm = _______ cm

Answers

1mm = 0.1 cm
49.3 mm = 4.93 cm

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