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3 years ago

What is the length of ac? a)96 b)132 c)72 d)136

Mathematics

2 answers:

Tasya [4]3 years ago

6 0

Answer:

Where is the one with the picture please

Step-by-step explanation:

Molodets [167]3 years ago

3 0

Answer:

show a picture

Step-by-step explanation:

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What is the image of (-2,-8) after a reflection over the y-axis?

Papessa [141]

Answer:

(2,8)

Step-by-step explanation:

When you reflect over the y-axis, you change the x to the opposite sign

y reflection → (-x,y)

8 0

3 years ago

Read 2 more answers

How do I find the value of x

Drupady [299]

Answer:

$x=144$

Step-by-step explanation:

$We\ can\ observe\ that:\\The\ polygon\ is\ an\ octagon\ as\ it\ is\ bounded\ by\ 8\ linear\ sides.\\Hence,\\We\ know\ that,\\The\ Interior\ Angle\ Sum\ of\ a\ polygon\ with\ n\ is\ given\ by\ the\ formula:\\Interior\ Angle\ Sum=180(n-2)\\Hence,\\As\ we\ already\ know\ that,\\The\ number\ of\ sides\ in\ this\ polygon=n=8\\Hence,\\The\ Interior\ Angle\ Sum\ Of\ An\ Octagon=180(8-2)=180*6=1080\\$

$Hence,\\\angle 1+ \angle 2+\angle 3+\angle 4+\angle 5+\angle 6+\angle 7+\angle 8=1080\\Hence,\\129+132+136+124+141+158+116+x=1080\\Hence,\\936+ \angle x=1080\\\angle x=1080-936=144$

6 0

2 years ago

Kevin bought 3 dvds for 45.99 how much would 7 dvds cost?

Alecsey [184]

Answer:

I am pretty sure the answer would be $107.31. Sorry if I'm wrong.

Step-by-step explanation:

First you take the total of the 3 DVD's (45.99) and you divide that by 3 (number of DVD's) to get 15.33 which is called the unit price. Then, you take your unit price and multiply that by how many items you are going to buy.

45.99 / 3 = 15.33

15.33 x 7 = 107.31

6 0

3 years ago

· Expand and simplify (x - 2)(x + 7)

lisov135 [29]

Answer:

Expand:

x^2+7x-2x-14

Answer:

x^2+5x-14

Step-by-step explanation:

3 0

2 years ago

Lines j and k are parallel how to solve

Ede4ka [16]

I can't answer your question without a picture... Sorry.

7 0

2 years ago