A card was selected at random from a standard deck of cards. The suit of the card was recorded, and then the card was put back in the deck. The table shows the results after 40 trials.What is the relative frequency of selecting a club?

Outcome Club Diamond Heart Spade
Number of trials 8 12 11 9

A.
17%

B.
20%

C.
25%

D.
30%

Answers

Answer 1

Answer: the answer is d.) 20%

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Rhett made mini waffle cones for a birthday party. Each waffle cone was 3.5 inches high and had a radius of 0.8 inches . what is the volume of each cone to the nearest hundredth?

Answers

v=(1/3)(h)pi(r^2)
h=3.5
r=0.8
v=(1/3)3.5pi0.8^2
v=(1/3)3.5pi0.64
v=1/3pi2.24
v=(2.24/3)pi
aproxpi=3.14
v=(2.24/3)3.14
v=2.34453333333333
hundreth
2.34 in^3

Which number is 164,502,423 decreased you 100,000?

Answers

This is very basic math..

Here is the answer you should have gotten : $164, 402, 423$

And the way you can do this is just by subtraction "1" hundred thousand from the "5" hundred thousand which makes it "4" hundred thousand..

Hope this Helps.. :)

164,502,423 minus 100,000 = 164402423

i hope i helped!

3. An airplane flies 105 miles in ½ hour. How far can it fly in 1 ¼ hours at the same rate of speed?

Answers

262.5 miles
explanation 1/4 is half of 1/2 so 52.5 is half of 105 and then 210 for an hour of travel

Answer:

105 at 30 min.

x at 75 min.

105 mph x 2 = 210 mph at one hour

There is still 15 min to go soooo...

210/4 = 52.5

210 + 52.5 = 262.5 mph for 75 min

Check by dividing

262.5/75=3.5

Two congruent squares are joined to make a rectangle. The perimeter of the rectangle is 96 cm. What is the area of the rectangle? A. 512 cm2 B. 144 cm2 C. 256 cm2 D. 288 cm2

Answers

The answer is A. 512

You finish washing 3/4 of your windows in an hour and a half. At that rate, how much longer will it take you to finish washing all the windows?If you are washing the windows at a rate of 1/4 every 30 minutes, you need only 30 minutes to finish washing the remaining one-fourth.

Answers

It would take about to hours to wash all the windows.

2 hours to finish whole thing

but 1/4 = 30 min

the lemans 24-hour auto race covers 3,107.93 miles. round the distance to the nearest 100 miles.

Answers

3,107.93 mile round to 3,100 if you are rounding to the nearest one hundred miles.

to round to the nearest hundred we see if the numbers in tens places are greater than 50 or not.

it is 3107.93.

Thus, rounded to the nearest hundred it would be 3100 miles

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