All categories

2 years ago

WILL GIVE BRAILIEST 70 POINTS First, reflect ABC across the y-axis, then dilate by a factor of ½.

Mathematics

1 answer:

Rina8888 [55]2 years ago

5 0

Answer:

This is the graph one

Step-by-step explanation:

A(-1,-4) -->A' (1,-4)

B(-3,-2) ---> B'(3,-2)

C(-1,2) ---> C(1,2)

You might be interested in

In the adjoining figure, area of trangle ABC is

Zepler [3.9K]

Answer:

$PQ=4\ cm$

Step-by-step explanation:

see the attached figure with the letter D to better understand the problem

we know that

The segment side AD is the height of triangle ABC

Triangles PBQ and ABD are similar by AA Similarity Theorem

The area of triangle ABC is equal to

$A=\frac{1}{2}(BC)(AD)$

we have

$A=48\ cm^2\\BC=12\ cm$

substitute

$48=\frac{1}{2}(12)(AD)$

$AD=8\ cm$

Remember that

If two triangles are similar then the ratio of its corresponding sides is proportional

$\frac{BP}{AB}=\frac{PQ}{AD}$

substitute the given values

$\frac{BP}{2BP}=\frac{PQ}{8}$

$\frac{1}{2}=\frac{PQ}{8}$

$PQ=4\ cm$

3 0

3 years ago

Gora finished 23% of his project last week, and another 32% of the entire project this week.What fraction of the project dose he

sergiy2304 [10]

Answer: Mark me brainliest..

Step-by-step explanation: and imma put the answer inside the comments if you do so. youve got nothing to lose! :D

5 0

3 years ago

The board of examiners that administers the real estate broker's examination in a certain state found that the mean score on the

Goshia [24]

Answer:

The passing score is 645.2

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

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

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 553, \sigma = 72$

If the board wants to set the passing score so that only the best 10% of all applicants pass, what is the passing score?

This is the value of X when Z has a pvalue of 1-0.1 = 0.9. So it is X when Z = 1.28.

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

$1.28 = \frac{X - 553}{72}$

$X - 553 = 1.28*72$

$X = 645.2$

The passing score is 645.2

6 0

3 years ago

Please type out the correct one for me out of those 2 thanks <4

Sloan [31]

Answer:

1.2n=0.45n+1.5

Step-by-step explanation:

6 0

4 years ago

Evalute x(5-y) when x=3 and y=2<br><br> I need help

Luda [366]

Answer:

Step-by-step explanation:

Given x(5 - y)

x = 3

y = 2

Therefore 2(5 - 2)

2(3)

Or distribute

2 x 5 - 2x 2

10 - 4

6 0

3 years ago