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max2010maxim [7]
3 years ago
5

M_ABD = 90°. Find m2ABC. A (3x – 3) (x-7)° B D

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
5 0

Answer:

positive and negative or c1

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Find the slope given the points (2, −7) and (−1,<br> 6).
lesya [120]

Answer:

The Slope= -13/3

y-intercept= (0,5/3)

Step-by-step explanation:

m= change in y/change in x

m= y2-y1/x2-x1

m=6-(-7)/ -1-(2)

m=-13/3

4 0
3 years ago
How many times larger is 9 x 10-4 than 3 x 10-10?
Tatiana [17]

Answer:

It is 3*10^6 times bigger

Step-by-step explanation:

<u>9*10^-4</u>

3*10^-10

=9/3*10^(-4-(-10))

=3*10^6

8 0
4 years ago
Read 2 more answers
A plane ticket to Hawaii costs $986.
maria [59]

Using the given discrete distribution, it is found that the expected value is of $863.93.

<h3>What is the mean of a discrete distribution?</h3>

The expected value of a discrete distribution is given by the <u>sum of each outcome multiplied by it's respective probability</u>.

In this problem, the distribution of costs is given by:

  • P(X = 986) = 0.87.
  • P(X = 47) = 0.13.

Hence, the expected value is given by:

E(X) = 0.87 x 986 + 0.13 x 47 = $863.93.

More can be learned about discrete distributions at brainly.com/question/24855677

#SPJ1

7 0
2 years ago
Please help me its due in 5 minutes
STALIN [3.7K]

Answer:

90.09 m

Step-by-step explanation:

47.5 * 3.3 /1.74 = 90.09

3 0
3 years ago
The manager of a cultured pearl farm has received a special order for five pearls between 7 millimeters and 9 millimeters in dia
steposvetlana [31]

Answer:

Probability is 0.3506

Step-by-step explanation:

We are given

mean is 8mm

so, \mu=8

standard deviation is 2.2 mm

so, \sigma=2.2

x-varies from 7mm to 9mm

At x=7:

we can use formula

z=\frac{x-\mu}{\sigma}

we can plug values

z=\frac{7-8}{2.2}

z=-0.45455

At x=9:

we can use formula

z=\frac{x-\mu}{\sigma}

we can plug values

z=\frac{9-8}{2.2}

z=0.45455

So, z is between -0.45455 and 0.45455

-0.45455\leq z \leq 0.45455

now, we can use normal distribution table

and we get

Probability is 0.3506

8 0
3 years ago
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