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Nimfa-mama [501]
4 years ago
11

HELP!!! 6 questions, 60 points

Mathematics
1 answer:
Anit [1.1K]4 years ago
3 0
1. Square

2. <span>y < -30
</span>
3. True

4. D

5. C

6. <span>d < 6


Hope I helped!

-Maxaor1</span>
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Which statements are true about the ordered pair (5, −6) and the system of equations? {x+y=−1 3x−y=21 Select each correct answer
Likurg_2 [28]

The correct options are:

The ordered pair (5, −6) is a solution to the first equation because it makes the first equation true.

The ordered pair (5, −6) is not a solution to the system because it makes at least one of the equations false.

Step-by-step explanation:

Given equations are:

x+y=-1\\3x-y=21

first of all we have to put the point in both equations to check if the point holds true on both equations

So,

Putting the point in the first equation

x+y=-1\\5-6=-1\\-1=-1

Putting the point in second equation

3x-y=21\\3(5)-6=21\\15-6=21\\9\neq 21

So,

The correct options are:

The ordered pair (5, −6) is a solution to the first equation because it makes the first equation true.

The ordered pair (5, −6) is not a solution to the system because it makes at least one of the equations false.

Keywords: Linear Equations, Solution

Learn more about linear equations at:

  • brainly.com/question/2150928
  • brainly.com/question/2154850

#learnwithBrainly

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3 years ago
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What is seven times negative sic equal
Marta_Voda [28]

Answer:

-42

Step-by-step explanation:

A negative times a positive is a negative so

7 \times  - 6

equals -42

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Ok so the rectangle is 12x6 which is 72. The entire top part is 18 which means the other triangle side is 6. 6x6 = 36 so 72+36 is 108
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3 years ago
Simplify the expression. What classification describes the resulting polynomial?
netineya [11]

Answer:

A

Step-by-step explanation:

Given

(3x² - 11x - 4) - (2x² - x - 6)

Distribute both parenthesis, noting the second is distributed by - 1

= 3x² - 11x - 4 - 2x² + x + 6 ← collect like terms

= x² - 10x + 2 ←  this is a quadratic with 3 terms, thus trinomial → A

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4 years ago
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