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3 years ago

8

each question mark is a missing exponent. find the value of the exponent and match each correct answer to complete the riddle be

low! :)

1 answer:

alukav5142 [94]3 years ago

7 0

Please find attached photographs for your answer. Do comment whether it is useful or not

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Please answer this for 15 points :) <333

lions [1.4K]

Answer:

A.

Elena can run 3 miles per hour.

Step-by-step explanation:

Given that:

a circular running track = 1/5 mile

On this track, Elena runs completing each of the laps in 1/15 of an hour

We are to find Elena running speed.

It implies that the distance of Elena = $\dfrac{1}{5}$

Time to run each lap = $\dfrac{1}{15} \ of \ an \ hour$

Speed is the amount of distance covered in a specified period of time.

Recall that the formula for calculating speed is:

$Speed = \dfrac{distance}{time}$

$Speed = \dfrac{\dfrac{1}{5}}{\dfrac{1}{15}}$

$Speed ={\dfrac{1}{5}\times \dfrac{15}{1}$

Speed = 3miles / hour

As such, Elena can run 3 miles each hour.

3 0

3 years ago

Of the 146 students that go to school, 68 get the bus, 37 walk, 12 cycle and the remainder get a lift. What is the probability t

dem82 [27]

Answer:

Step-by-step explanation:

i think the probability is 34

7 0

3 years ago

Read 2 more answers

The radius of a circle is measured at 15.6cm. The actual radius is 15.3cm. Find, to the nearest percent, the percent error in th

Anon25 [30]

Answer:

$Percentage\hspace{3}error\approx 1.96\%$

Step-by-step explanation:

The error percentage is a measure of how inaccurate a measurement is, standardized based on the size of the measurement. It can be easily calculated using the following formula:

$Percentage\hspace{3}error=|\frac{v_A-v_E}{v_E} | \times 100$

Where:

$v_A=Approximate\hspace{3}value\\v_E=Exact\hspace{3}value$

Therefore, according to the data provided by the problem:

$v_A=15.6\\v_E=15.3$

The percentage error is:

$Percentage\hspace{3}error=|\frac{15.6-15.3}{15.3}| \times 100 = 1.960784314\%\approx 1.96\%$

8 0

4 years ago

What is the value of the 5 in 15,406

Iteru [2.4K]

5,000 (Five-Thousand)

8 0

4 years ago

Read 2 more answers

Which of the following describe an angle with a vertex at E.

Dima020 [189]

Answer:

A and B are correct

Step-by-step explanation:

The middle letter represents the vertex of an angle. For instance, angle ABC has a vertex at B. Because the letter "e" is in the middle of angle FED and angle DEF, it represents the vertex of those angles. Hope this helps

5 0

2 years ago