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2 years ago

MATH HELP PLEASE 50 POINTS

Mathematics

2 answers:

Tamiku [17]2 years ago

7 0

This is my fav um...
a is 180
B and C are acute
A is obtuse
what are the anwers choices

Illusion [34]2 years ago

4 0

To find the length of a, you should use the Law of Cosines

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Can anyone explain the basics of solving systems to linear equations?

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Answer:

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Step-by-step explanation:

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Two step educations 3c - 6 = 12

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Answer:

C = 6

Step-by-step explanation:

Move all terms that don't contain C to the right side and solve.

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Construct 3 linear equation starting with qiven solution z = 1/3

Andreyy89

Answer:

(a) $9z+2=5$

(b) $21z-11=-4$

Step-by-step explanation:

We are required to construct 3 linear equations starting with the given solution z = 1/3.

Equation 1

$z=\frac{1}{3}$

Multiply both sides by 9

$9z=\frac{1}{3}\times 9\\9z=3$

Rewrite 3 as 5-2

9z=5-2

Add 2 to both sides

Our first equation is: $9z+2=5$

Equation 2

$z=\frac{1}{3}$

Multiply both sides by 21

$21z=\frac{1}{3}\times 21\\21z=7$

Rewrite 7 as 11-4

21z=11-4

Subtract 11 from both sides

Our second equation is: $21z-11=-4$

Equation 3

$z=\frac{1}{3}$

Multiply both sides by 6

$6z=\frac{1}{3}\times 6\\6z=2$

Rewrite 6z as 4z+2z

4z+2z=2

Subtract 2z from both sides

Our third equation is: $4z=2-2z$

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2 years ago

What is the slope of the line that passes through the points (-2, -11) and (-9, 17)?

Vinil7 [7]

rise/run

17--11/-9--2

=28/-7

=-4

Done!

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