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3 years ago

11

Two lines, R and M, are represented by the following equations:

1 answer:

Katena32 [7]3 years ago

8 0

If you would like to know what is true about the solution of the set of equations, you can calculate this using the following steps:

2x + 2y = 18
x + y = 9 /*2
______________

<span>2x + 2y = 18
</span>2x + 2y = 18
______________
2x + 2y = <span>2x + 2y
</span>18 = 18
0 = 0

The correct result would be infinitely many solutions.

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Verify the identity. <br> Please show your work.

m_a_m_a [10]

Step-by-step explanation:

To prove :

( 1 - sin x ) ( 1 + sin x ) = sec² x

LHS : -

( 1 - sin x ) ( 1 + sin x )

Formula / Identity : -

( a - b ) ( a + b ) = a² - b²

Here,

a = 1

b = sin x

( 1 - sin x ) ( 1 + sin x )

= 1 - sin² x

Identify : -

sin² θ + cos² θ = 1

cos² θ = 1 - sin² θ

Similarly,

1 - sin² x

= cos² x

= RHS

Hence verified.

5 0

3 years ago

Please help I will really appreciate it

Veronika [31]

Hi!
Where’s the question.

8 0

3 years ago

Read 2 more answers

What inequality sign do you use if c is at most 3

lesya692 [45]

It would be c≤3 as in c is less than or equal to three

5 0

3 years ago

Evaluate n + m when n = -24 and y = 0.874.

Flauer [41]

Answer:

-24+m is correct answer

Step-by-step explanation:

In pic

(Credit : Symbolab)

(Hope this helps can i pls have brainlist (crown)☺️)

3 0

3 years ago

The sum of two numbers is twenty-four. The difference of the two numbers is four.

RSB [31]

Answer:

$x + y = 24$

$x - y = 4$

Now, add these two equations.

You get,

$2x = 28$

$x = \frac{28}{2}$

$x = 14$

Given,

$x + y = 24$

$14 + y = 24$

$y = 24 - 14$

$y = 10$

You can test this to the other equation as well.

$x - y = 4$

$14 - 10 = 4$

Hence, the two numbers are 14 and 10.

3 0

3 years ago