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3 years ago

In triangle RPS, an exterior angle at R measures 64º, and Triangle?

Mathematics

1 answer:

Ira Lisetskai [31]3 years ago

5 0

Step-by-step explanation:

Where is your question in order to answer it

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What is the first step to solve the following system of equations using substitution?

Akimi4 [234]

Answer:

Step 1: Solve one of the equations for one of the variables. Let's solve the first equation for x

Thus, option A) is true.

The solution to the system of equations be:

$x = 4, y = 5$

Step-by-step explanation:

It is important to remember that when we solve the system of equations, the first step we need to do is to solve one of the equations for one of the variables.

Given the system of equations

$x - y = -1$

$2x - y = 3$

Step 1: Solve one of the equations for one of the variables. Let's solve the first equation for x

$x-y=-1$

Add y to both sides

$x-y+y=-1+y$

$x=-1+y$

Thus, option A) is true.

<u>NOW LET US SOLVE THE REMAINING PORTION</u>

$\mathrm{Subsititute\:}x=-1+y$ to solve for y

$\begin{bmatrix}2\left(-1+y\right)-y=3\end{bmatrix}$

$-2+y=3$

$y=5$

For x = -1 + y

substitute y = 5

$x=-1+5$

$x=4$

Thus, the solution to the system of equations be:

$x = 4, y = 5$

3 0

3 years ago

I really need some help it's hard to understand

Murljashka [212]

I think it’s 96 I might be wrong sorry if I am

6 0

3 years ago

Write an equation in point-slope form of the line with slope –8 that contains the point j(–3, 2).

patriot [66]

The point-slope formula is y-y1=m(x-x1). You will then substitute into this equation. The answer will be y-2=-8(x+3).

4 0

4 years ago

What is 23 – 7x + 6 + 8x = 26

harina [27]

Answer: x = -3

Step-by-step explanation: hope this helps

23 – 7x + 6 + 8x = 26

x + 29 = 26

x + 29 - 29 = 26 - 29

x = 26 - 29

x = -3

3 0

3 years ago

Read 2 more answers

Anyone please help if u know how to do this

OleMash [197]

I believe it doesnt exist because every one # on the left doesnt have a different # on the right..

5 0

3 years ago