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3 years ago

Plot the image of point C under a reflection across line

Mathematics

1 answer:

PilotLPTM [1.2K]3 years ago

4 0

When the image of point C is reflected across the line, then it's written as C'.

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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

I need help with this question, it is for geometry

expeople1 [14]

Answer:

x=3...

Step-by-step explanation:

Given:T is the midpoint of SU.....

To find: x

Proof: ST=TU ( T is the midpoint of SU)

8x+11=12x-1

11+1=12x-8x

12=4x

12/4=x

x=3.

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3 years ago

g Perform the appropriate test at a 5% significance level if the number of accidents occurs uniformly for all days of the week.

mojhsa [17]

$\bold\green{y = -}$ $\green{\tt \dfrac{5}{9}x + 2}$

4 0

3 years ago

What is the correct answer for all?

Elina [12.6K]

Answer: 13.B

14.B

15.C

16.A

17.D

18.A

Step-by-step explanation:

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3 years ago

Consider this equation. 5/8 x = 1/2 x + 2 Generate a plan to solve for the variable. Describe the steps you'll use.

Keith_Richards [23]

Answer:

Step-by-step explanation:

5/8x = 1/2x + 2

5/8x - 1/2x = 2

46x = 2

x=16

So you want to get x by itself so you. First you get 5/8x and 1/2 and subtract 1/2 from both sides. Then find the common demonantor for both numbers. After use inverse operations to multiply both sides by the reciprocal of the fraction coefficient. Finally check the solution by substituting 16 for x in the original equation.

3 0

3 years ago

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