2 years ago

Find the measure of angle A

Mathematics

1 answer:

Ainat [17]2 years ago

5 0

Answer:50 degress 2/2

Step-by-step explanation:

2/2

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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

Caroline answered 47 out of 56 questions correctly on her test. What percent of the questions did Caroline get correct

Aleksandr [31]

Answer:

Step-by-step explanation:

<h3>Convert fraction (ratio) 47 / 56 Answer: 83.928571428571%</h3>

6 0

2 years ago

Read 2 more answers

Solve the exponent equation: 4 × 9x -13 × 6x + 9 × 4x = 0

kicyunya [14]