All categories

3 years ago

Geometry proofs! 100+ points!

Mathematics

2 answers:

bonufazy [111]3 years ago

8 0

1. BC/CD = AC/CE 1. Given

2. <BCA is congruent to <ECD 2. Vertical angles are congruent

3. Tr.ACB is congr to Tr.ECD 3. SAS Similarity

Leona [35]3 years ago

5 0

1. BC/CD = AC/CE 1. Given
2. <BCA is congruent to <ECD 2. Vertical angles are congruent
3. Tr.ACB is congr to Tr.ECD 3. SAS Similarity

You might be interested in

Be sure to show your work and solve for f: 12 = f - 13-2

ki77a [65]

Answer:

Step-by-step explanation:

$12 = f - 13-2$

Collect like terms and simplify

$12+13+2 = f\\27 =f$

Switch sides

$f = 27$

5 0

3 years ago

Read 2 more answers

Please help with this question.

Rzqust [24]

(cos Ф -cos Ф)² + (cos Ф + cos Ф)²

Firstly: (cos Ф -cos Ф)² = 0² = 0

Secondly :(cos Ф + cos Ф)² = (2cos Ф)². = 4. (cos Ф)² = 4cos² Ф

Mind you when you raise a cosine (or sin or tan...) to the n power, the n power should affect the cosine only and NOT the angle Ф

4 0

3 years ago

Can you simpilfy the expression of: 6x-8y-5x+3y Answer in comments

Romashka-Z-Leto [24]

Answer:

Hey there. Ur answer is x-5y

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Solve for y, 2y=-4x-14

BabaBlast [244]

Hello from MrBillDoesMath!

Answer: y = 2x - 7

Discussion:

Divide both sides of the equation by 2:

2y /2 = (4x-14)/2 = 4x/2 -14/2

y = 2x - 7

Thank you,

MrB

7 0

3 years ago

Which expression is equivalent to -6(3x-2/3)

Fiesta28 [93]

Answer:

Solution given:

-6(3x-⅔)

distribute it

-18x+6*⅔

-18x+4 is a required answer.

3 0

2 years ago