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Luba_88 [7]
3 years ago
5

4x+7y=83 and 5+6y=90 solved by substion

Mathematics
1 answer:
sasho [114]3 years ago
7 0
Why is there no x value
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Write a two-column proof. Given: line BD bisects angle CBE. Prove: angle ABD approximately equal to angle FBD.
ale4655 [162]

Answer:

The proof is derived from the summarily following equations;

∠FBE + ∠EBD = ∠CBA + ∠CBD

∠FBE + ∠EBD = ∠FBD

∠CBA + ∠CBD = ∠ABD

Therefore;

∠ABD ≅ ∠FBD

Step-by-step explanation:

The two column proof is given as follows;

Statement {}                                       Reason          

\underset{BD}{\rightarrow} bisects ∠CBE {}                            Given

Therefore;

∠EBD ≅ ∠CBD  {}                              Definition of angle bisector

∠FBE ≅ ∠CBA {}                                Vertically opposite angles are congruent

Therefore, we have;

∠FBE + ∠EBD = ∠CBA + ∠CBD {}     Transitive property

∠FBE + ∠EBD = ∠FBD {}                    Angle addition postulate

∠CBA + ∠CBD = ∠ABD {}                   Angle addition postulate

Therefore;

∠ABD ≅ ∠FBD        {}                          Transitive property.

3 0
3 years ago
Solve for x 6(x+5)-3(x-2)=12x+18
serg [7]
6x +30 -3x +6 =12x +18

3x +36 =12x +18

3x-12x = 18 -36

-9x = -18  | -1

9x =18

x= 18/9

x=2
7 0
3 years ago
Read 2 more answers
DESARROLLO:
n200080 [17]

Answer:

C.¿Cuanto dinero hay al cabo de n anos

3 0
3 years ago
PLEASE HELP QUICK I NEED IT TO PASS
ivanzaharov [21]
816.81
Hope this helps
4 0
3 years ago
I HAVE 1 MORE DAY TO TURN THIS IN SO HURRY
SCORPION-xisa [38]

Hello there! I am EnjoyingLife, and I hope you find my answer helpful.

First of all, since all books cost less than $5, the most expensive a book could be is $4.99 (remember, less than, not less than or equal to)

Now, let's write an inequality to represent the cost of books.

We know that all books cost less than $5.

We have a sign for "less than". It's "<"

Thus,

p<5

Hope it helps!

Have an awesome day!

Good luck!

\rm{EnjoyingLife}

5 0
2 years ago
Read 2 more answers
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