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AfilCa [17]
3 years ago
15

Evaluate 14+ (- 2) A) 12 B)- 12 C) 16 D)- 16

Mathematics
1 answer:
11111nata11111 [884]3 years ago
6 0
The answer would be A.12 
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Directions: State whether or not (3, -2) is a solution to the following systems.
andrew11 [14]

(3, -2) is a solution to the system of equations x - 2y = 7 and 2x + 3y = 0, (3, -2) is not a solution to the system of equations  -x - y = -5 and 3x - 4y = 17 and (3, -2) is not a solution to the system of equations x + y = 1 and x - y = 6

<h3>How to determine the whether or not (3, -2) is a solution to the following systems?</h3>

The systems of equations are given as:

1. x - 2y = 7 and 2x + 3y = 0

2. -x - y = -5 and 3x - 4y = 17

3. x + y = 1 and x - y = 6

Next, we substitute (3, -2) for (x, y) in the system of equations.

So, we have:

<u>1. x - 2y = 7 and 2x + 3y = 0</u>

3 - 2 * -2 = 7 and 2 * 3 + 3 * -2 = 0

Evaluate

7 = 7 and 0 = 0

The above equation is true

Hence, (3, -2) is a solution to the system of equations x - 2y = 7 and 2x + 3y = 0

<u>2.- x - y = -5 and 3x - 4y = 17</u>

-3 + 2 = -5 and 3 * 3 + 4 * 2 = 17

Evaluate

- 1 = - 5 and 1 7 = 1 7

The above equation is false

Hence, (3, -2) is not a solution to the system of equations  -x - y = -5 and 3x - 4y = 17

<u>3. x + y = 1 and x - y = 6</u>

3 - 2 = 1 and 3 + 2 = 6

Evaluate

1 = 1 and 5 = 6

The above equation is false

Hence, (3, -2) is not a solution to the system of equations x + y = 1 and x - y = 6

Read more about system of equations at:

brainly.com/question/13729904

#SPJ1

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Boop beep boop beep boop beep boop.
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3 years ago
Which equation results from applying the secant and tangent segment theorem to this figure?
makvit [3.9K]

Answer:

x(2x + 4) = (x + 2)2

Step-by-step explanation:

Answer on edg.

3 0
3 years ago
Read 2 more answers
The square below represents one whole.
Vedmedyk [2.9K]

Answer:

50%, 1/2, or 0.5.

Step-by-step explanation:

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2 years ago
You deposit $70 in a savings account that pays an annual interest rate of 30%. How much simple interest would you earn in 2.5 ye
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The formula is
I=prt
I interest earned?
P principle 70
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