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Brut [27]
3 years ago
11

HELP PLZZZZZZZZZZ!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
ANEK [815]3 years ago
8 0
The line behind the 5 I do believe about
melamori03 [73]3 years ago
7 0
The square root of 23 is approximately 4.8. So, plot the point between the third dash between 4-5 and the 5. :-)
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In a popular tale of wizards and witches, a group of them finds themselves in a room with unmarked doors which change position,
SSSSS [86.1K]

Answer:

Expected number of hours before the the group exits the building = E[Number of hours] = 3.2 hours

Step-by-step explanation:

Expected value, E(X) is given as

E(X) = Σ xᵢpᵢ

xᵢ = each variable

pᵢ = probability of each variable

Let X represent the number of hours before exiting the building taking each door. Note that D = Door

D | X | P(X)

1 | 3.0 | 0.2

2 | 3.5 | 0.1

3 | 5.0 | 0.2

4 | 2.5 | 0.5

E(X) = (3×0.2) + (3.5×0.1) + (5×0.2) + (2.5×0.5) = 3.2 hours

Hope this Helps!!!

7 0
3 years ago
Can someone help me solve this problem by factoring.<br> x^2 + 8x + 16 = 0
Pavlova-9 [17]
Factorization: (x + 4)∧2=0

Solutions based on Factorization: x + 4 = 0  ⇒ X∨1 = X∨2 = -4
8 0
4 years ago
Read 2 more answers
What is the way to show the work of box a and box b each contain black tiles and white tiles. They have the same total number of
allsm [11]
Simplifying
\frac{45}{100}
7 0
4 years ago
My family and I are so confused on this! Help please!
-BARSIC- [3]

Answer:

10) Correct

11) Each row is equal to 12 when you multiply them together.

12) 24

Step-by-step explanation:

12) You multiply 4*3*2 to get the volume of 24, which is also the number of cubes needed to make the shape.

<u>Please</u><u> give</u><u> brainliest</u><u> if</u><u> I</u><u> helped</u><u>!</u><u> </u><u>:</u><u>)</u>

3 0
2 years ago
Add [ –6 –2 2] + [–3 2 1].
skad [1K]
The answer is... A hope this helps
3 0
4 years ago
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