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3 years ago

15

Help me please. Be real

2 answers:

hichkok12 [17]3 years ago

8 0

Answer:

Solution given;

8x-20+8x+8=180°[pair of straight line is supplementary]

16x-12=180°

16x=180+12

x=192/16

x=12 is a required answer.

Ira Lisetskai [31]3 years ago

5 0

Step-by-step explanation:

The aswer is x = 3

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3 years ago

What is the prime factorization of 28

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5 0

3 years ago

Read 2 more answers

4x-3y=1<br> 5x+4y=9<br> What are the resulting equations?

Alex

Answer:

x = 1; y = 1

Step-by-step explanation:

First thing we will do is work with the first equation:

$4x - 3y = 1$

$4x = 1+3y$

$x = \frac{3}{4} y~+~\frac{1}{4}$

Now that we have a value for x, we insert that into the second equation, like so:

$5(\frac{3}{4}y~+~\frac{1}{4}) + 4y = 9$

$\frac{15}{4}y~+~\frac{5}{4} + 4y = 9$

$\frac{15}{4}y~+~4y~+~\frac{5}{4} = 9$

$\frac{15}{4}y~+~\frac{16}{4} y~+~\frac{5}{4}$

$\frac{31}{4}y~+~\frac{5}{4} =9$

$31y + 5 = 9 * 4$

$31y + 5 = 36$

$31y = 36-5$

$31y = 31$

$y = \frac{31}{31}$

$y = 1$

Now, we solve for x:

$4x - 3(1) = 1$

$4x - 3 = 1$

$4x = 1 + 3$

$4x = 4$

$x = \frac{4}{4}$

$x=1$

Hope it helped,

BiologiaMagister

8 0

4 years ago

Please help me with these questions and show how u got them, i will mark you brainliest !

Aneli [31]

A+7
4+7
4+7=11

b-3
5-3
5-3=2

9c
9(10)
9(10)=90

4 0

3 years ago

What does 0 = 0 mean regarding the solution to the system?

monitta

Answer:

There are infinitely many solutions to the system because the equations represent the same line

4 0

2 years ago