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Arisa [49]
3 years ago
6

It didn't let me put the whole picture, so here are the words/word it cut out.

Mathematics
1 answer:
tangare [24]3 years ago
5 0

Answer:

The options to complete the proof are placed in the boxes of the attached drawing created with Microsoft Word

Step-by-step explanation:

Please see attached drawing of the proof created with Microsoft Word

The two column proof can be  presented as follows;

Statement     {}                                    Reason

 \underset{m}{\leftrightarrow } \parallel \underset{n}{\leftrightarrow }        {}                                        Given

m∠3 + m∠4 = 180°   {}                         Linear pair postulate

∠1 ≅ ∠3     {}                                        Corresponding Angle Theorem

m∠1 + m∠4 = 180°   {}                          Transitive Property      

m∠1 and m∠4 are supplementary  {} Definition of supplementary angles

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Simplify -12+8+5+(-9)​
Zinaida [17]
FIRST Remove parentheses.
−12+8+5-9

Simplify -12+8 to -4

-4 + 5 — 9

Simplify
−4 + 5 −4+5 to 1
1 — 9

Simplify

-8 is your answer
3 0
3 years ago
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3x − 2y = −2
Lina20 [59]

Answer: C. -3y+14

Step-by-step explanation:

3x-2y=-2\\x+3y=14

Move 3y to ther right side.

3x-2y=-2\\x=-3y+14

So the answer is C. Because x = -3y+14.

7 0
3 years ago
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1.) Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth .x squared minus 21 x equals n
Andrew [12]
Part 1
We are given x^2-21x=-4x. This can be rewritten as x^2-18x=0.
Therefore, a=1, b=-18, c=0.
Using the quadratic formula
     x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}=\frac{-\left(-18\right)\pm \sqrt{\left(-18\right)^2-4\left(1\right)\left(0\right)}}{2\left(1\right)}
     x=\frac{18\pm 18}{2}

The values of x are
     x_1=\frac{18-18}{2}=0
     x_2=\frac{18+18}{2}=18

Part 2
Since the values of y change drastically for every equal interval of x, the function cannot be linear. Therefore, the kind of function that best suits the given pairs is a quadratic function. 

Part 3.
The first equation is y=x^2+2.
The second equation is y=3x+20.

We have 
     x^2+2=3x+20
     x^2-3x-18=0
Factoring, we have 
     \left(x-6\right)\left(x+3\right)=0
Equating both factors to zero.
     x_1-6=0\rightarrow x_1=6
     x_2+3=0\rightarrow x_2=-3

When the value of x is 6, the value of y is 
     y=3\left(6\right)+20=38

When the value of x is -3, the value of y is 
     y=3\left(-3\right)+20=11

Therefore, the solutions are (6,38) or (-3,11)
7 0
3 years ago
С
serious [3.7K]

Answer:

10.6 oz

Step-by-step explanation:

X × 0.25 = 0.265

x= 2.65/0.25= 10.6 oz

8 0
3 years ago
What is the product of seven and eight decreased by “x” if x =15?
jekas [21]

Answer:

0

Step-by-step explanation:

product is another word for +

decreased is another word for -

____________________________

(7 + 8) - x

so

(7+8) - 15

15 - 15

= 0

7 0
3 years ago
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