3 years ago

I am in serious need of geometry help Help pls!!!!

Mathematics

1 answer:

azamat3 years ago

6 0

Answer:

question2)16

Step-by-step explanation:

use pythagoras theorem in triangle ΔAEC to find CE(∠BEC+∠AEC=180)(linear pair)

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The product of a number and seven?

Liono4ka [1.6K]

Answer:

five more than twice a number 2n + 5

the product of a number and 6 6n

seven divided by twice a number 7 ÷ 2n or

three times a number decreased by 11 3n - 11

Step-by-step explanation:

4 0

3 years ago

Johan found that the equation –2|8 – x| – 6 = –12 had two possible solutions: x = 5 and x = –11. Which explains whether his solu

Effectus [21]

$-2|8-x|-6=-12 \ \ \ |\hbox{add 6} \\
-2|8-x|=-6 \ \ \ |\hbox{divide by (-2)} \\
|8-x|=3 \\
8-x=-3 \ \lor \ 8-x=3 \\
-x=-3-8 \ \lor \ -x=3-8 \\
-x=-11 \ \lor \ -x=-5 \\
x=11 \ \lor \ x=5 \\
\boxed{x=5 \hbox{ or } x=11}$

It should be x=11 instead of x=-11, so he is not correct because he made a sign error.

6 0

2 years ago

Read 2 more answers

What’s the mistake made in the steps to solve the equation below?

zzz [600]

Answer:

The answer is A.

You are dividing by 8, not 10.

3 0

3 years ago

What is the equation of the line that is horizontal and goes through the y-axis<br> at -4?

Ivan