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2 years ago

−px+r=−8x−2 solve for x

Mathematics

2 answers:

Rina8888 [55]2 years ago

7 0

x= _-r____-2___
-p + 8

qwelly [4]2 years ago

4 0

-px+r=-8x-2 add 8x to both sides

8x-px+r=-2 subtract r from both sides

8x-px=-r-2 factor left side

x(8-p)=-r-2 divide both sides by (8-p)

x=(-r-2)/(8-p) multiply right side by -1/-1

x=(r+2)/(p-8)

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In triangle ABC, the size of angle B is 4 times the size of angle A, and the size of angle C is 6°

amid [387]

Answer:

<A = 18.6 Degree

<B =74.4 Degree

<C = 87 Degree

Step-by-step explanation:

Sum of all the angles of triangle is 180

as given ,

<A = ?

<B = 4<A

<C = 5 <A - 6

As per rule ,

<A + <B +<C = 180

<A + 4 <A + 5<A - 6 = 180

10 <A - 6 = 180

10 <A = 180 + 6

<A = 186 / 10

<A = 18.6 Degree

Hence ,

< B = 4 X (18.6)

< B = 74.4 Degree

and

<C = 5 (18.6) - 6

<C = 87 Degree

PROOF

<A + <B + <C = 180

18.6 + 74.4 + 87 = 180

180 = 180

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Step-by-step explanation: Please see the attachments below for the complete question as well as the Step-by-step explanation

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Explanation: $\downarrow{\downarrow{\downarrow{}}}$

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[ Step Two ] Simplify Equation

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[ Step Four ] Simplify

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$\bold{\rightarrow{}Rhythm \ Bot\leftarrow{}}$

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2 years ago

Read 2 more answers