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xz_007 [3.2K]
3 years ago
12

What is (x + 20) ————— = 3x ? 2

Mathematics
1 answer:
nikitadnepr [17]3 years ago
7 0

Answer:

4

Step-by-step explanation:


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A standard deck of playing cards contains 52 cards, equally divided among four suits(hearts, diamonds, clubs, and spades). Each
algol [13]
What are you asking me ? Do you have a picture I can look at ?
3 0
2 years ago
A fair coin is flipped three times. Events A and B are defined as: A: there are at least two consecutive heads somewhere in the
Vaselesa [24]

Answer:

2 / 7

Step-by-step explanation:

Coin flipped 3 times has following outcomes, of heads 'H' & Tails 'T'

HHH , TTT , HTT, THT , TTH , THH , HTH , HHT  = total outcomes

P (A) = 2 consecutive heads , P (B) = atleast one tail

P (A) = 2 outcomes ( HHH , HHT , THH ) / total 8 outcomes = 3 / 8

P (B) = 7 outcomes (all except HHH) / total 8 outcomes = 7 / 8

P (A | B) = P ( A ∩ B ) / P (B)

P ( A ∩ B ) = P ( 2 consecutive heads & atleast one tail) / Total outcomes =   2 outcomes ( HHT , THH ) / total 8 outcomes = 2 / 8

So, P (A | B) = ( 2 / 8 ) /  ( 7 / 8 ) = 2 / 7

4 0
2 years ago
If z is inversely proportional to r, and z= 32 when r=1.5, find r when z=8.
lions [1.4K]
Inversely proportional: z = k/r
k = 32 * 1.5 = 48
Plug that into equation
8 = 48/r
Multiply both sides by r
8r = 48
Divide by 8
r = 6
8 0
2 years ago
Find the volume of a triangular pyramid with a base area of 24 ft2 and a height of 18 ft.
Tems11 [23]
Volume = (1/3) * base area * height
              = 1/3 * 24 * 18
              = 144 ft^3
4 0
3 years ago
Read 2 more answers
I need help with this
snow_lady [41]

Answer:

x = 2 square roots of 2

Step-by-step explanation:

it is a 45-45-90 triangle and in that the two legs are equal to each other so both are 2 and then the hypotenuse is x times the square root of 2

8 0
2 years ago
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