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zaharov [31]
4 years ago
14

PLZ ANSWER QUICK HURRY PLZZZ WILL MARK BRANIEST

Mathematics
2 answers:
yuradex [85]4 years ago
7 0

Answer:

1=z-9

2=9+z

3=9/z

4=9z

Step-by-step explanation:

hoa [83]4 years ago
3 0

Answer:

z-9

9+z

9/z

9z

Step-by-step explanation:

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You have a bag with 100 pennies. One of the 100 pennies is weighted so that it lands on heads 90% of the time. The rest of them
masha68 [24]

Answer:

0.160275

Step-by-step explanation:

P(5 time heads) =P(fair penny and 5 time heads + weighted penny and  5 time heads)

probability of fair penny = 99/100 (as one is removed)

probability of heads = 50% = 0.5 flipped 5 times

probability of weighted penny = 1/100

probability of heads for this penny = 90% = 0.9

substituting, we have

=(99/100) * (1/2)*5  +  (1/100) * (0.9)5  = 0.036842

hence from Bayes theorem

P(weighted penny | 5 time heads) =P(weighted penny and 5 time heads) / P(5 time heads)

=(1/100)*(0.9)5 /0.036842 =0.160275

6 0
3 years ago
Help fast pls!
Ket [755]

Answer:

c  0.5⁻ˣ

Step-by-step explanation:

The slowest rate is:

0.5⁻ˣ

8 0
2 years ago
Which sequence below represents an exponential sequence? A) {2, 6, 10, 14, 18,...} B) {3, 5, 9, 16, 24,...} C) {4, 8, 24, 96,...
Flura [38]

Answer:d

Step-by-step explanation:

Clearly from observation option D is the exponential sequence

256,64,16,4 is decreasing exponential function

\Rightarrow \frac{256}{64}=\frac{4^4}{4^3}=4

\Rightarrow \frac{64}{16}=4

for other option they simply follow an AP

2,6,10,14,18

common difference d=4

7 0
4 years ago
Solve the system.<br> 2x + y = −3 −2y = 6 + 4x<br> Write each equation in slope-intercept form.
Fantom [35]

The slope-intercept form:

y = mx + b

m - slope

b - y-intercept

-------------------------------------

2x + y = -3       <em>subtract 2x from both sides</em>

y = -2x - 3


-2y = 6 + 4x

-2y = 4x + 6     <em>divide both sides by (-2)</em>

y = -2x - 3

We have the same equations. Therefore the system of equations is dependent. Has an infinite number of solutions

x ∈ R

y = -2x - 3

7 0
4 years ago
Read 2 more answers
Need help?????????!!!!!!!
julsineya [31]

Answer:

73 and -23 hope this helped hon :)

Step-by-step explanation:

y=-8x+9

plug in -8

y=-8(-8)+9

y=64+9

y=73

y=-8x+9

plug in 4

y=-8(4)+9

y=-32+9

y=-23

3 0
3 years ago
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