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Dmitriy789 [7]
3 years ago
5

I know I'm asking a lot but could someone please do this sheet for me I'm really behind on homework

Mathematics
1 answer:
kondaur [170]3 years ago
5 0
A- perfect square 14*14
b-neither
c- perfect cube 7*7*7
d-perfect square 25*25
e-perfect cube 9*9*9
f-perfect cube 15*15*15
part 2
a- 16
b- 15
c- 10
d- 41
e- 8
f- 4
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Suppose a box of Cracker Jacks contains one of 5 toy prizes: a small rubber ball, a whistle, a Captain America decoder ring, a r
lakkis [162]

Answer:

11.42 boxes

Step-by-step explanation:

For the first box bought, there is a 100% chance of getting a unique toy (since you still don't have any). E₁ = 1.

After that, there is a 4 in 5 chance of getting a unique toy from the next box, the expected number of boxes required is:

E_2 = (\frac{4}{5})^{-1} = 1.25

For the next unique toy, there is now a 3 in 5 chance of getting it:

E_3 = (\frac{3}{5})^{-1} = 1.67

Following that logic, there is a 2 in 5 chance of getting the 4th unique toy:

E_4 = (\frac{2}{5})^{-1} = 2.5

Finally, there is a 1 in 5 chance to get the last unique toy:

E_5 = (\frac{1}{5})^{-1} = 5

The expected number of boxes to obtain a full set is:

E=E_1+E_2+E_3+E_4+E_5\\E=1+1.25+1.67+2.5+5\\E=11.42\ boxes

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2 years ago
How to estimate 51% of 62
timofeeve [1]
51% = 50%

1/2 * 62 or 62 ÷ 2 = 31

Answer: 31
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2 years ago
Quadrilaterals-what are all other names for quadrilateral parallelograms
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Write an equation of the line in slope-intercept form (-3,3) (0,-1)
Vesnalui [34]
Y= 4/3x -1 use y2-y1 over x2-x1

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2 years ago
2x + 4y = 22<br>2x - 2y = -8​
NISA [10]

Answer:

2x+4y=22

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now

replace the value of y in equ i

2x +4y =22

2x+20=22

x=1

6 0
3 years ago
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