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elena55 [62]
2 years ago
7

SOMEONE HELP PLEASE (DO IT RIGHT AND INCLUDE STEP BY STEP EXPLANATION SO I COULD UNDERSTAND HOW TO DO IT LMA.O)

Mathematics
1 answer:
ololo11 [35]2 years ago
5 0

Answer:

The probability is 1/8 or 0.125.

Step-by-step explanation:

Given is that three fair coins are flipped.

And we have to find the probability of getting a head on the first flip,a tail on the second flip, and another head on the third flip.

Firstly, here each flip is independent of the outcome of the other flips.

So, the probability of head is 1/2 and the probability of tail is 1/2.

Therefore, the answer will be : (1/2) (1/2) (1/2)=8

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3)A ball is kicked from a height of 2 feet off the ground, after 1 second the ball rea
MArishka [77]

Answer:

y = - 2x + (1/2 38) + 2   = y =  -2x + 19x + 2  at any second  and y = -2x^2 / 2  + 19/2 + 2/2 = <u>- x^2 + 19/2 + 2 </u>=  - x (4) + 19/2(4) + 1 = -4+ 38 + 1 = 35 seconds  

Step-by-step explanation:    We see that 38-2ft = 36ft and y intercept  = 2 and then -2x allows us to represent the starting point 2 as -2 (1) to allow a descend to our back to 0 for y  one we find y intercept we know - x^2  is our simplified equation and an input into this to find the static and slowed descend back to 0  if you keep inputting at 5 and 6 you see the equation speed up   Anyway at (4) substitute = 4 seconds we divide our simplified equation a = -x2 into  a b c and divide each by 2  before working out the<u> </u><u>decline</u> of the equation<u> (as equation still represents all ascending and descending) </u>for the 4th second as the height was <u>already said to be at its max at 38 feet see equation in answer to find 4 as substitute for x </u>

3 0
2 years ago
A car traveling at constant speed traveled 161.5 miles in 3 1/2 hours. What was the car's speed.
dedylja [7]

161.5 miles / 3.5 hrs = 46.143 mph

8 0
3 years ago
Simplify:<br> 2(xy - 7) = [?]<br> x = -1 and y = 3
fiasKO [112]

Answer:2(xy-7)= -20

Step-by-step explanation:

Plug in -1 for x and 3 for 3, as the question says that x and y represent those values.

2(xy-7) = ?

2((-1)(3) - 7) = ?

2(-3-7)=?

2(-10)

-20

2(xy - 7) = -20

5 0
2 years ago
How to solve this equation (-14+3/2b)-(1+2/8b) step by step<br> please thank you
zepelin [54]
-14+3/2b-(1+2/8b), then take out the blanket become -14+3/2b-1-2/8b , get 5/4b-15=0 so 5/4b=15 ,get b=15×4÷5. b=12

5 0
3 years ago
What is the area of a circle if the radius is 13
Kisachek [45]
A = pi * r^2.....r = radius and pi = 3.14

A = (3.14)(13^2)
A = 3.14(169)
A = 530.66

7 0
2 years ago
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