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3 years ago

Identify a pair of supplementary angles in the figure. answers : 2 and 4 1 and 6 1 and 5 5 and 6

Mathematics

1 answer:

Nuetrik [128]3 years ago

6 0

Answer:

2 and 4

Step-by-step explanation:

This is the only one where the two angles add up to 180 degrees, aka, a straight line.

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Solve for a: <br> 3/5a = 1/4

liberstina [14]

3/5a = 1/4....multiply both sides by 5/3, cancelling out the 3/5 on the left
a = 1/4 * 5/3
a = 5/12

6 0

3 years ago

Read 2 more answers

The class scores of a history test have a normal distribution with a mean Mu = 79 and a standard deviation Sigma = 7. If Opal’s

storchak [24]

The value of z score for the history class test of Opal’s test score is negative one (-1).

<h3>What is normally distributed data?</h3>

Normally distributed data is the distribution of probability which is symmetric about the mean.

The mean of the data is the average value of the given data. The standard deviation of the data is the half of the difference of the highest value and mean of the data set.

The z score for the normal distributed data can be given as,

$Z=\dfrac{X-\mu}{\sigma}$

The mean value of the scores of history class is,

$\mu=79$

The standard deviation value of the scores of history class is,

$\sigma=7$

Here, the test score of the Opal’s is 72. Thus the z score for her test score can be given as,

$z=\dfrac{72-79}{7}\\z=-1$

Hence, the value of z score for the history class test of Opal’s test score is negative one (-1).

Learn more about the normally distributed data here;

brainly.com/question/6587992

6 0

3 years ago

Median of 5,4,6,3,4?

taurus [48]

Answer:

Step-by-step explanation:

3, 4, 4, 5, 6

7 0

3 years ago

Read 2 more answers

Whats the distance between the points (2, 7) and (2, 15)

sveta [45]

Answer:

The distance between the points (2, 7) and (2, 15) is 8.

Step-by-step explanation:

<u>What is the Distance between Two Points?</u>

For any two points there is exactly one line segment connecting them. The distance between two points is the length of the line segment connecting them. Note that the distance between two points is always positive. Segments that have equal length are called congruent segments.

How to Solve:

Formula:

$\sqrt{(x2-x1)^2+(y2-y1)^2}$

Putting Values:

$=\sqrt{(2-2)^2+(15-7)^2}$

$=\sqrt{(0)^2+(8)^2}$

$=\sqrt{0+64}$

$=\sqrt{64}$

$=8$

7 0

2 years ago

Gregory knows that Triangle A B C is reflected onto Triangle A prime B prime C prime. Which statement about the figures is true?

ziro4ka [17]

Answer: if Gregory draws the segment with endpoints A and A’, then the midpoint will lie on the line of reflection.

Explanation:

Given that a triangle ABC is reflected in triangle A'B'C'

Here reflection is done on a line

If you imagine the line as a mirror then ABC will have image on the mirror line as A'B'C'

Recall that in a mirror the object and image would be equidistant from the mirror and also the line joining the image and object would be perpendicular to the mirror

But note that corresponding images will only be perpendicular bisector to the line

So A and A' only will be corresponding so AA' will have mid point on line

Option 1 is right

5 0

3 years ago