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4 years ago

Will give brainliest, if its correct

Mathematics

2 answers:

cupoosta [38]4 years ago

8 0

Answer:

Take the roots of both sides and solve:

A= 3/x

A= -9/x

Step-by-step explanation:

Paul [167]4 years ago

6 0

Answer:

C) -1

Step-by-step explanation:

(ax+3)²=36

Square root both sides

ax+3=6

Subtract 3 from both sides

ax=3

Put x in

-3a=3

a= -1

C) -1 would work.

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3 years ago

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3 years ago

The average time taken for your Internet service provider to remotely resolve a trouble ticket has a Normal distribution, with a

vazorg [7]

Answer: 11.63%

Step-by-step explanation:

Given : The average time taken for your Internet service provider to remotely resolve a trouble ticket has a Normal distribution with a mean of 4.3 hours and a standard deviation of 4.3 hours.

i.e. $\mu=4.3$ and $\sigma=3.1$

Let x denotes the time taken for your Internet service provider to remotely resolve a trouble ticket ( in hours).

The probability time can you expect to wait longer than a full (8-hour) business day for a resolution :

$P(x>8)=1-P(\leq8)\\\\=1-P(\dfrac{x-\mu}{\sigma}\leq\dfrac{8-4.3}{3.1})\\\\=1-P(z\leq1.1935)\ \ [\because\ z=\dfrac{x-\mu}{\sigma}]\\\\ =1-0.8837\ \ [\text{By z-table}]\\\\=0.1163=11.63\%$

Therefore , the percent of the time can you expect to wait longer than a full (8-hour) business day for a resolution = 11.63%

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3 years ago

HELP ASAP RADIANS AND DEGREES

inn [45]

Θ = 290°
to convert to radians it should be multiplied by π/180
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4 0

4 years ago