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3 years ago

A cheetah ran 300 feet in 2.92 secods. What was the cheetahs average speed in miles per hou? Show your work.

1 answer:

6 0

Start by converting 300 feet to miles and 2.92 seconds to hours.

300 feet 1 mile
----------- x -------------- = ?
1 5280 feet

2.92 sec 1 hr
----------------- * ---------------- = ?
1 3600 sec

Reduce each of the above fractions. Then convert 300 feet
-------------- to the
2.92 sec

equivalent speed / rate in mph using the converstion factors you derived earlier.

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Multiply each of the following numbers 7.32, and 0.006 by 10, 100, and 1,000. Then explain the pattern you can use to find the p

dangina [55]

7.32

10 = 73.2

100 = 732

1000 = 7320

0.006

10 = 0.06

100 = 0.6

1000 = 6

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For example, if you had 0.6 multiplied by 100, you would move 2 decimal places to the right because 100 has two zeros.

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3 years ago

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Step-by-step explanation:

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3 years ago

In the figure, a pair of parallel lines Is cut by a transversal. What kind of angle are angles A and C?

Sonbull [250]

Answer: Angles A and C are vertical angles.

Step-by-step explanation:

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3 years ago

2. Consider the following graph of a quadratic function.

Stella [2.4K]

Answer:

see the procedure

Step-by-step explanation:

Looking at the graph we have

The graph represent a vertical parabola open upward

The vertex is a minimum

The vertex is the point (-4,-3)

The domain is the interval -----> (-∞,∞)

The Domain is all real numbers

The range is the interval ----> [-3,∞)

$y\geq -3$

The range is all real numbers greater than or equal to -3

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The graph is decreasing in the interval (-∞,-4)

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5 0

4 years ago

Find the sum of each set of numbers, as well as the size n of each set of numbers (n = number of numbers in the set). Use these

guapka [62]

We have to add numbers without a calculator.

1) 25, 35, 19, 31

We can group them by the last digit, so they are easy to add:

25 + 35 = 20 + 30 + 5 +5 = 50 + 10 = 60

19 + 31 = 10 + 30 + 9 +1 = 40 + 10 = 50

Then, 60 + 50 = 110

numbers in the set n = 4

Sum = 110

2) 101, 73, 49, 27, 24, 36

We can group them again by the last digit (adding 10, like the previous example).

We can substract the last digit from one number and add it to the other one. The result will be the same, but they will become easier to add.

101 + 49 = 100+50 = 150

73 + 27 = 70 + 30 = 100

24 + 36 = 20 + 40 = 60

150 + 100 + 60 = 250 + 60 = 310

numbers in the set n = 6

Sum = 310

3) 25, 25, 25, 30, 30, 30, 32, 32, 32

In this case we have 3 times the same numbers, so we can add the three different numbers and then multiply the total by 3.

We can use the properties of the multiplication to simplify the product (we will use the distributive property)

25 + 30 + 32 = 27 + 30 + 30 = 87

87 * 3 = 80*3 + 7*3 = 240 + 21 = 261

numbers in the set n = 9

Sum = 261

8 0

1 year ago