3 years ago

What is the probability that you flip 4 coins and at least 2 land on tails?

Mathematics

1 answer:

Marianna [84]3 years ago

3 0

50%. Each coin has a 50% chance on landing on head and a 50% chance of landont on tails.

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19 is 25% of what number?

zepelin [54]

Answer:

19/25 * 100 = 76%

Step-by-step explanation:

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3 years ago

I have 180 euros the exchange rate was €1.2 to £1 how much do I get sterling?

Damm [24]

180 times .20 is 36 so 180 minus 36 is 144 so you get 144 in sterling.

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3 years ago

A rectangle is removed from a right triangle to create the shaded region shown below. Find the area of the shaded region. Be sur

Finger [1]

Answer:

The area of the triangle should be: [(1 + 5 + 4) × 11]/2= 55 (ft²)

The area of the rectangle should be: 5 × 2 = 10 (ft²)

The area of the shaded region is: 55 - 10 = 45 (ft²)

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3 years ago

2.When I walked into King Soopers yesterday, I noticed that the Colorado Rockies t-shirts had a sign reading “25% off sale!”. If

daser333 [38]

Given:

The discount is 25%.

The selling price of the shirt after the sale is $20.99.

To find:

The selling price of the shirt before the sl;e

Explanation:

Let the old price be x.

The equation can be framed as follows,

$\begin{gathered} (\frac{100-25}{100})\times x=20.99 \\ \frac{75}{100}\times x=20.99 \\ x=20.99\times\frac{100}{75} \\ x=27.986 \\ x\approx27.99 \end{gathered}$

Final answer:

The selling price of the shirt before the sale is $27.99.

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1 year ago

Supermarket manager arranged 10 rows of cans. he puts 2 cans in the first row, 4 cans in the second row, and 6 cans in the third

ruslelena [56]

He put 10 cans in the 5th row. 1st-2, 2nd-4, 3rd-6, 4th-8, 5th-10

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3 years ago