3 years ago

find graphically in RxR the s.s. of each pair of the following equations: 1)2x+y=4,8-y=4x 2)3x+y=5,y+3x=8

Mathematics

1 answer:

RideAnS [48]3 years ago

5 0

What kind of question is that

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If mZDCB = 140°, then mZACD = [?]° !!!PLS HELP I WILL MARK BRAINLIEST !!!

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Answer:

40°

Step-by-step explanation:

$m\angle DCB +m\angle ACD = 180\degree$ (Linear pair angles)

$\implies 140\degree +m\angle ACD = 180\degree$

$\implies m\angle ACD = 180\degree-140\degree$

$\implies m\angle ACD = 40\degree$

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2 years ago

-144 < -12x < -24 <br><br> how would I solve step by step?

monitta

Hi there!

To solve the inequality, the only step is to divide each side by -12 to isolate the x-value.
That would leave you with 12 < x < 2

Hope this helped! :D

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4 years ago

Indicate in standard form the equation of the line passing through the given point and having the given slope. R(4,0), m=5

liberstina [14]

First you put the equation in point slope form- Y-0= 5x - 4
Then add the zero to the 4.
Final answer: y= 5x -4

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3 years ago

Find the values of the unknown angles marked with letters. 50 points!!!!!!!

IceJOKER [234]

Answer:

a = 115°, alternate interior angles are congruent
b = 70°, same as above
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3 years ago

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A Square has a length of 9 feet. Find the area and perimeter.

prohojiy [21]

A square is the same length on each side so each side would be 9

9+9+9+9= 36ft (perimeter)

Again each side if 9 feet to find the area u just multiply the length and width here the length and width are the same (9)

9•9= 81 (area)

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3 years ago