4 years ago

!!!!!!!!!!!!!!!!!!!!!!!!!! Plz

Mathematics

1 answer:

Marina86 [1]4 years ago

5 0

Answer:

Its C i.e obtuse angle......

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Subtract one-third from 8 times b

steposvetlana [31]

i think the answer is 1/3 from 8x 6 =-46.7 i think

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3 years ago

1.Mr. Bowen’s test is normally distributed with a mean of 75 and a standard deviation of 3 points.

lianna [129]

Answer:

2.28%

Step-by-step explanation:

Mr. bowens test is normally distributed with a mean (μ) of 75 and a standard deviation (σ) of 3 points.

The z score is used in probability to show how many standard deviation is a raw score below or above the mean. The formula for the z score (z) is given by:

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

For a raw score (x) of 81 points, the z score can be calculated by:

$z=\frac{x-\mu}{\sigma}=\frac{81-75}{3}=2$

Therefore from the normal probability distribution table, the probability that a randomly selected score is greater than 81 can be given as:

P(x > 81) = P(z > 2) = 1 - P(z < 2) = 1 - 0.9772 = 0.0228 = 2.28%

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4 years ago

What is 2 to the power of 2 multiply 5

solniwko [45]

Answer: 20

1) simplify 2^2 to 4

4*5

2) simplify

20

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3 years ago

I do not know how to count following formula<br><br>x + 5 = 3

saw5 [17]

The x is going to be a negative number to get the 3. so start off minus 5 from plus 5 and minus five from the other side too. the positive 5 and the negative cancel out and then take it fromt here with three and the negative 5.

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3 years ago

Read 2 more answers

Given CDEFG ≌ HIJKL and CD = 12, DE = 13, EF = 10, FG = 11, and GC = 8, what is HI?

Licemer1 [7]

CDEFG $\cong HIJKL \Rightarrow\overline{HI}=\overline{CD}$
$\\\Downarrow\\ \overline{HI}=12$

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3 years ago