3 years ago

A coin is tossed 1000 times. If the probability of getting a head is 0.545, what is the probability of getting a tail?

Mathematics

2 answers:

prohojiy [21]3 years ago

4 0

Answer:

0.454 duhhhhhhhhhhh

Step-by-step explanation:

zalisa [80]3 years ago

3 0

The answer is 0.454

There you go

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Solve the System using elimination. 5x-2y=15 7x+7y=-28

steposvetlana [31]

Answer:

x=1 y=-5

Step-by-step explanation:

7(5x-2y=15) ---> 35x-14y=105

2(7x+7y=-28) --> + 14x+14y=-56

49x=49 --->x=1

5(1)-2y=15 ---> 5-2y=15 ---> -2y=10 ---> y=-5

8 0

2 years ago

Find the unknown length in the right triangle 27cm and 13 cm

Phoenix [80]

use pythagoras:

${c}^{2} = \: {b}^{2} - {a}^{2}$

c^2 = (27)^2 - (13)^2

c^2 = 560

c = 23.6643....cm

3 0

3 years ago

Pleases help thank you

zalisa [80]

Answer:

my bad

The correct answer is C

Step-by-step explanation:

hopr it helps

have a great day

6 0

2 years ago

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Mike had 119 dollars to spend on 6 books. after buying them he had 11 dollars. how much did each book cost ?

deff fn [24]

18 $ Hope I helped
This is how I came to the result..
119-11= 108
108 : 6 = 18 $

8 0

2 years ago

Please answer it now in two minutes

makkiz [27]

Answer:

VX = 8.8 in

Step-by-step explanation:

By applying Sine rule in the right triangle WXV,

Sin(∠W) = $\frac{\text{Opposite side}}{\text{Hypotenuse}}$

= $\frac{\text{VX}}{\text{WX}}$

Sin(34)° = $\frac{VX}{15}$

VX = 15.Sin(34)°

= 8.8379

≈ 8.8 in.

Therefore, measure of side VX is 8.8 in.

6 0

3 years ago