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Ilya [14]
3 years ago
6

No clue what to do here. Can anyone help???

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
8 0

Answer:

try the app socratic Step-by-step explanation:

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Ben buys a fridge for $849. The sales tax rate is 8%,how much tax will ben have to pay the the fridge
s2008m [1.1K]
The amount of tax would be $67.92. the total he would pay would be $916.92
4 0
3 years ago
The number of typing errors made by a typist has a Poisson distribution with an average of two errors per page. If more than two
wlad13 [49]

Answer: 0.6767

Step-by-step explanation:

Given : Mean =\lambda=2 errors  per page

Let X be the number of errors in a particular page.

The formula to calculate the Poisson distribution is given by :_

P(X=x)=\dfrac{e^{-\lambda}\lambda^x}{x!}

Now, the probability that a randomly selected page does not need to be retyped is given by :-

P(X\leq2)=P(0)+P(1)+P(2)\\\\=(\dfrac{e^{-2}2^0}{0!}+\dfrac{e^{-2}2^1}{1!}+\dfrac{e^{-2}2^2}{2!})\\\\=0.135335283237+0.270670566473+0.270670566473\\\\=0.676676416183\approx0.6767

Hence, the required probability :- 0.6767

6 0
3 years ago
Given ​ f(x)=x2+14x+40 ​.<br><br><br> Enter the quadratic function in vertex form in the box.
sammy [17]
Please indicate exponentiation using " ^ "   Thanks.

f(x)=x2+14x+40 => <span>f(x)=x^2+14x+40

Next, complete the square:

</span>f(x)=x^2+14x+ 49 - 49 +40 = (x+7)^2 - 9 

Write this in the form y = (x+7)^2 - 9  or y + 9 = (x+7)^2
Comparing this result to y = a(x-h)^2 + k, we see that h = -7 and k=-9

In vertex form, the equation is y + 9 = (x+7)^2 and the vertex is at (-7, -9).
8 0
3 years ago
Can someone help me pls
Vsevolod [243]

A..

NOT YOU COMMENTING ON POST JUST TO GET POINTS....

6 0
3 years ago
Read 2 more answers
F
galina1969 [7]
It’s F because I took the test
8 0
3 years ago
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