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omeli [17]
3 years ago
13

What is the probability of flipping a coin twice and landing on heads both times?

Mathematics
1 answer:
valkas [14]3 years ago
4 0

Answer:

I think it would be B.

Step-by-step explanation:

Since you aready have a 50% chance of landing on both heads or tails once. To land it on heads twice you would have a twenty five percent chance if you look at logic.  in which my dad would often say. <u>Please mark the brainliest</u>

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Myras stamp collection consisted of 120 stamps in October by the following March her collection had grown to 138 stamps by how m
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The answer is 18. Just take the number that comes later and simply subtract from the original number. EXAMPLE- 138-120=18. Hope this helps.
8 0
3 years ago
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Math problem I need help giving brainlist
Liono4ka [1.6K]

Answer:

x = 28

Step-by-step explanation:

7(8 - x) = -5x

56 - 7x = -5x                 Distribute 7 to the parenthesis

56 = 2x                         Add -7x to both sides

28 = x                           Divide 2 to both sides

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3 years ago
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The sum of the lengths of two opposite sides of the circumscribed quadrilateral is 10 cm, and its area is 12 cm2. Find the radiu
PtichkaEL [24]

Answer:

1.2 cm

Step-by-step explanation:

The area of sircumscribed quadrilateral over a circle is equal to

A=s\cdot r,

where s is semi-perimeter of the quadrilateral and r is the radius of the circle.

Use property of circumscribed quadrilateral: The sums of the opposite sides are equal.  

So, if the sum of two opposite sides of the circumscribed quadrilateral is 10 cm, then the sum of another two sides is also 10 cm and the perimeter of the quadrilateral is 20 cm. Hence,

s=\dfrac{20}{2}=10\ cm

Now,

A=s\cdot r\\ \\12=10r\\ \\r=\dfrac{12}{10}=1.2\ cm

8 0
3 years ago
Michael's father bought him a 16 foot board to cut into shelves for his bedroom. Michael plans to cut the board into 11 equal pi
andrew-mc [135]
This may not be correct sorry , 16÷11 = 1.454545454545454545454545
6 0
3 years ago
Ryan drove 715 miles in 13 hours At the same rate, how long would it take him to drive 385 miles?​
musickatia [10]

Answer:

7 hours

Step-by-step explanation:

715 / 13 = 55 miles per hour

385 / 55 = 7 hours

Best of Luck!

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3 years ago
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