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nordsb [41]
3 years ago
11

A right triangle has a hypotenuse C=12cm and a an angle A= 30°. find the length of side a, witch is opposite angle A

Mathematics
1 answer:
Alisiya [41]3 years ago
7 0
Use the sin identity to find that side.  Sin(30) = a/12...12 sin(30) = a, and a = 6
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6.1.3
Nata [24]

Answer:

The requirements that are necessary for a normal probability distribution to be a standard normal probability distribution are <em>µ</em> = 0 and <em>σ</em> = 1.

Step-by-step explanation:

A normal-distribution is an accurate symmetric-distribution of experimental data-values.  

If we create a histogram on data-values that are normally distributed, the figure of columns form a symmetrical bell shape.  

If X \sim N (µ, σ²), then Z=\frac{X-\mu}{\sigma}, is a standard normal variate with mean, E (Z) = 0 and Var (Z) = 1. That is, Z \sim N (0, 1).

The distribution of these z-variates is known as the standard normal distribution.

Thus, the requirements that are necessary for a normal probability distribution to be a standard normal probability distribution are <em>µ</em> = 0 and <em>σ</em> = 1.

8 0
3 years ago
Chapter 8 question 18<br> please help
MA_775_DIABLO [31]
4744 feet. work below. please mark brainliest.
4 0
3 years ago
Simplify 5(2) x 5(5)x5
anastassius [24]
First you would have to multiply everything by the parenthesis
5*2=10
5*5=25
So your equation should look like this
10*25*5
Then multiply from left to right
10*25=250
250*5=1250
So the simplified form of this is 1250

Hope this helps!
3 0
3 years ago
Read 2 more answers
Plz answer this correctly to get more points
crimeas [40]

Answer: x = 30°

Concept:

Here, we need to know the idea of an isosceles triangle and the vertical angle theorem.

An <u>isosceles triangle</u> is a triangle that has any two of its sides equal to each other. Also, the angles opposite these equal sides are equal, which is basically the base angles.

The <u>vertical angle theorem</u> states that two vertical angles formed when two lines intersect each other are always equal to each other.

Solve:

<u>Find the other base angle of the isosceles triangle.</u>

Since there are two equal sides, we know that this is an isosceles triangle.

Since the definition said that the base angles are equal, the other base angle would also be x.

<u>Find the value of x</u>

According to the vertical angle theorem, two vertical angles formed by intersection are equal.

Just as angle x and 30°, are vertical angles formed by intersection, therefore, \boxed{x=30}

Hope this helps!! :)

Please let me know if you have any questions

8 0
3 years ago
The quadrilateral ABCD has an area of 58 in2 and diagonal AC = 14.5 in. Find the length of diagonal BD if AC ⊥ BD.
diamong [38]
So the quadrilateral is a rhombus. RSM Is hard and etc...
Anyways if the area =58^{2} and we know that one diagonal is 14.5 inches and we know that the area of a rhombus is 
\frac{D^{1} * D^{2}}{2}   =
then we can do inverse operation and do
\frac{54}{14.5} = 4 
4 * 2 because of the inverse operation has to be done to get the right answer and then you get the length of diagonal 2 is 8 in 
4 0
3 years ago
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