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notka56 [123]
2 years ago
7

Based on this example, make a

Mathematics
1 answer:
Mnenie [13.5K]2 years ago
6 0

Answer:

Step-by-step explanation:

  1. There are 4 of them (acute angles that is)
  2. Those 4 are less than 90 degrees.
  3. They have supplementary angles which are greater than 90 degrees.
  4. There are 4 of them also.
  5. The total number of angles should be 8 if there are 2 parallel lines and 1 transversal.
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If sin (x-3)° = cos (2x + 6)°, then what is the value of x?
Travka [436]

Answer:

if sin (x-3) degrees = cos (2x+6) degrees, find the value of x.

----------

Note: sin and cos are complementary functions....

sin(x) = cos (90-x)

-------------------

Your Problem:

sin(x-3) = cos(90-(x-3))

Equation:

90-[x-3] = 2x+6

90-x+3 = 2x+6

3x = 93-6

x = 31-2

x = 29

Step-by-step explanation:

6 0
3 years ago
Which statements are correct regarding the properties of trapezoids?
natulia [17]

Answer:

The diagonals of an isosceles trapezoid are congruent.  

The bases of a trapezoid are parallel.

4 0
3 years ago
Please help me with this
timama [110]

Answer:

choice 1

Step-by-step explanation:

angle 1 = angle 7 (exterior alternate angle)

angle 3=angle 5 (interior alternate angle)

3 0
2 years ago
Suppose the mean height for adult males in the U.S. is about 70 inches and the standard deviation is about 3 inches. Assume men’
nlexa [21]

Question options :

a. They should be between 64 and 76 inches tall.

b. They should be close to the height that is 95% of the mean. That is, 66.5 inches, plus or minus 2 standard deviations.

c. They should be at or below the 95th percentile, which is 74.92 inches.

d. None of the above.

Answer: a. They should be between 64 and 76 inches tall.

Step-by-step explanation:

Given the following :

Assume men's height follow a normal curve ; and :

Mean height = 70 inches

Standard deviation= 3 inches

According to the empirical rule ;

Assuming a normal distribution with x being random variables ;

About 68% of x-values lie between -1 to 1 standard deviation of the mean. With about 95% of the x values lying between - 2 and +2 standard deviation of mean. With 99.7% falling between - 3 to 3 standard deviations from the mean.

Using the empirical rule :

95% will fall between + or - 2 standard deviation of the mean.

Lower limit = - 2(3) = - 6

Upper limit = 2(3) = 6

(-6+mean) and (+6+ mean)

(-6 + 70) and (6+70)

64 and 76

8 0
3 years ago
What is 10+2p=12+1.5p <br> p=
Allushta [10]

Answer:

p=4

Step-by-step explanation:

5 0
3 years ago
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