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Elis [28]
2 years ago
9

Three coins are tossed. Each coin has a Head and a Tail. Find the probability of getting three tails. Write answers as a simplif

ied FRACTION.
Mathematics
2 answers:
Semmy [17]2 years ago
7 0

Answer:

1/2 x 1/2 x 1/2 = 1/8

1/8

Step-by-step explanation:

Ket [755]2 years ago
3 0

Your answer would be 1/8.

The probability for getting a tail one time would be 1/2 because there are only 2 sides of a coin. Since tossing one coin doesn't affect the outcome of tossing the other coins, the probability for getting a tail on all of the coins is 1/2 each. We want this to happen 3 times, so the answer would be 1/2 × 1/2 × 1/2 = 1/8.

I hope this helps!

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John bought an iPad for $480 and pain $31.20 in sales tax. What was the sales tax rate?
tia_tia [17]

The sales tax rate was 6.5%

Step-by-step explanation:

Given,

Price of iPad = $480

Sales tax on iPad = $31.20

Sales tax rate = \frac{sales\ tax}{Price\ of\ iPad}*100

Sales\ tax\ rate=\frac{31.20}{480}*100\\Sales\ tax\ rate=\frac{3120}{480}\\Sales\ tax\ rate=6.5\%

The sales tax rate was 6.5%

Keywords: sales tax, division

Learn more about sales tax at:

  • brainly.com/question/10699220
  • brainly.com/question/10703930

#LearnwithBrainly

8 0
3 years ago
Which of the following relations is a function? A.{ (-2, 4), (-1, 3), (5, 2), (1, 4) } B.{ (1, 7), (1, 8), (2, 7), (3, 8) } C.{
siniylev [52]
From the pairs of x,y, if the set has two "x" of the same value, that is, "x" repeats, or an x-repeat, then is NOT a function

so, the group that doesn't have any x-repeats, is a function, now let's check

\bf A.\{ (-2, 4), (-1, 3), (5, 2), (1, 4) \}\\\\
B.\{ (\boxed{1}, 7), (\boxed{1}, 8), (2, 7), (3, 8) \}\impliedby \textit{has one re}\textit{peat, no dice}\\\\
C.\{ (2, 4), (\boxed{4}, 6), (\boxed{4}, 8), (6, 4) \}\impliedby \textit{also has one re}\textit{peat, no dice}\\\\
D.\{ (\boxed{5}, 7), (6, 3), (8, 6), (\boxed{5}, 4) \}\impliedby \textit{same, has one re}\textit{peat, no dice}
3 0
3 years ago
An airplane on autopilot took 7 hours to travel 4,914 kilometers. What is the unit rate for kilometers per​ hour?
snow_lady [41]

Distance traveled by an airplane in 7 hours = 4,914 kilometers

We have to determine the unit rate for kilometers per​ hour.

So, distance traveled by an airplane in 1 hour = 4,914 \div 7

= 702 kilometers.

So, an airplane will travel 702 kilometers in an hour.

Therefore, the unit rate for kilometers per​ hour is 702 km per hour.

4 0
3 years ago
Need an answer for the question
inysia [295]

Answer:

x = 8/13

Step-by-step explanation:

6 - 3x - 3/5(15x + 20) = 7(2x/7 - 2) - x

6 - 3x - 9x - 12 = 2x - 14 - x

6 - 12 + 14 = 2x - x + 3x + 9x

8 = 13x

x = 8/13

4 0
3 years ago
Find (-1) * (-(-2)) * (-(-(-3))) * (-(-(-(-4)))).
Brums [2.3K]

Answer:

24

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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