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balandron [24]
3 years ago
7

The probability of a coin landing on heads when it is flipped is

Mathematics
2 answers:
forsale [732]3 years ago
8 0

Answer:

50%

Step-by-step explanation:

The theoretical probability to get either heads or tails is 0.5 (or 50 percent). The probabilities of all possible outcomes should add up to 1 (or 100 percent), which it does.

Vesnalui [34]3 years ago
6 0

Answer:

50%

Step-by-step explanation:Since there is a 0.5 chance of the coin landing on heads add a zero and take off the .0 and you get 50%.

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Is 0.09 greater than 0.7
chubhunter [2.5K]
No, 0.7 is greater than 0.09

0.70 > 0.09

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3 0
4 years ago
Read 2 more answers
Write an equation of the line that passes through (−5, −1) and is parallel to the line y = 4x − 6.
vaieri [72.5K]

Answer:

The equation is y = 4x + 19

Step-by-step explanation:

y = 4x - 6    Using y = mx + b, the slope = 4.  

Parallel lines have the same slope.

Now substitute the slope = 4 and the given ordered pair (-5, -1) into the slope-intercept form and solve for b.

y = mx + b

-1 = 4(-5) + b

-1 = -20 + b

19 = b

Now substitute into y = mx + b   m = 4 and b = 19

The equation is y = 4x + 19

8 0
3 years ago
write each of the following products in standard polynomial form. (a) (x+3)(x-2)(x-8) (b) (x+2)(x-2)(x+3)(x-3)
Annette [7]

Answer: A)x²+x-6   B) 2x²-13

Step-by-step explanation: A) (x+3)(x-2)(x-8) = x²-2x+3x-6 = x²+x-6

B) (x+2)(x-2)(x+3)(x-3) =→ x²-2x+2x-4 = x²-4

→x²-3x+3x-9 = x²-9

∴x²-4+x²-9 = <u><em>2x²-13</em></u>

5 0
3 years ago
Daniel rollerbladed 3 miles in 12 minutes. At this rate, how many miles will he rollerblade in 1 hour? Show your work.
Yakvenalex [24]

Answer:

Daniel is rollerblading at 15 miles per hour

Daniel can go 3 miles in 12 minutes so we do 12÷3 to find out how many minutes it takes to go 1 mile which is 4 now we do 60÷4 to get 15

Alternatively we could do 60÷12 to get 5 then do 3×5 to get 15

Step-by-step explanation:

3 0
3 years ago
Use expressions for odd integers to confirm the conjecture that the product for two odd integers is an odd integer.
Mandarinka [93]

k, n - integers  

2k+1  - an odd integer

2n+1  - another odd integer

The product of them:

  (2k + 1)(2n + 1) =

= 4kn + 2k + 2n + 1 =

= 2(2kn + k + n) + 1

The product of integers (2kn) is integer

and the sum of them (2kn+k+n) also is integer

So  (2k + 1)(2n + 1)  = 2(2kn + k + n) + 1  is an odd integer

4 0
4 years ago
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