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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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Log base 4 (x+3)=-3<br> thank you!
Minchanka [31]

x= -15/4 => x= -3 3/4 or x= -3.75

5 0
3 years ago
Which equation is the equivalent form of 20(3)^5x = 820?
makvit [3.9K]

Answer:

x=ln(41)/ln(243)

Step-by-step explanation:

20(3)^5x=820

3^5x=820/20

3^5x=41

5x=ln(41)/ln(3)

x=(1/5)[ln(41)/ln(3)]

x=ln(41)/ln(3^5)

x=ln(41)/ln(243)

8 0
3 years ago
A craft store has 5 yards and 2 inches of ribbon. The cost of the ribbon is calculated per inch. How many inches of
suter [353]

Answer:

182

Step-by-step explanation:

5 yards = 5*3 = 15 feet

15 feet = 15 * 12 = 180 inches.

There are 2 more inches in the ribbon. 180 + 2 = 182 inches.

3 0
3 years ago
What is the solution to the system of equations? (You can either do the substitution or elimination method) x - 2y = 19 x + 3y =
masha68 [24]

Answer:

D. (17,-1)

Step-by-step explanation:

We'll start by canceling out x. To do so, multiple the first equation by -1

-1( x - 2y)=( 19 )(-1)

This gives us:

-x +2y = -19

x + 3y = 14

Add the equations together:

→ 5y = -15

→ y = -1

Plug in y = -1 into an equation:

→ x + 3(-1) = 14

→ x - 3 = 14

→ x = 17

(17,-1)

Hope this helps!

4 0
2 years ago
Show how you got the answer
rewona [7]
Subtract the 45 minutes they were eating from 1:45pm since that’s when they arrived. You now have 1:00pm, you now just need to find out how long it is from 10:20 am to 1:00pm. HINT: it’s 2h 40m
5 0
3 years ago
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