3 years ago

PLEASE ANSWER! VERY IMPORTANT LAST IMPORTANT QUESTION! MUST BE CORRECT! POINTS GIVEN!

1 answer:

8 0

Emma is always. When solving, you use the PEMDAS method going from left to right.

Your equation would be something like " -2 * -2 * 4"
Because you would start with (-2 * -2) = 4 and then move to 4 * 4 = 16

If your equation were something like " -2 * 3 * -2"
You would do -2 * 3 = -6 and then move to -6 * -2 = 12

Remember "Two negatives = a positive"

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Question 2(Multiple Choice Worth 1 points) (06.01) Solve 2x + 5y = −13 3x − 4y = −8 (4, 1) (−4, 1) (4, −1) (−4, −1)

dlinn [17]

ANSWER

The solution is
$(-4,-1)$

EXPLANATION

The given equations are:

$2x + 5y = - 13...(1)$

and

$3x - 4y = - 8...(2)$

We multiply equation 1 by 3 to get,

$6x + 15y = - 39...(3)$

We multiply equation 2 also by 2 to get,

$6x - 8y = - 16...(4)$

We subtract equation 4 from equation 3 to get,

$23y = - 23$
This implies that,

$y = - 1$

We put this value of y into any of the equations say equation 2

$3x - 4( - 1) = - 8$
Simplify

$3x + 4 = - 8$
Group like terms
$3x = - 8 - 4$
Simplify,

$3x = - 12$

Divide both sides by 3 to get,

$x = - 4$

Therefore the solution is
$(-4,-1)$

The correct answer is option D.

3 0

3 years ago

a six sided number cube has faces with the numbers 1 through 6 marked on them. what is the probability that a number less than 3

Charra [1.4K]

1/3 would be the answer

8 0

2 years ago

Complete the statement with <, >, or=.<br><br> PLEASEE HELP

Allushta [10]

Answer:

< LK

Step-by-step explanation: