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Sholpan [36]
4 years ago
9

What must be true about angle 7 and angle 3 for the lines to be parallel? Name the postulate or therom?

Mathematics
1 answer:
Sergio039 [100]4 years ago
8 0
Converse of corresponding angles theorem
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Solve the system of equations. Show your work.<br> y = x^2 -3x +4 <br> x + y = 4
sesenic [268]

Answer:

x + y = 2 ,  y = x 2 − 4 x + 4

Replace all occurrences of  

y

with  x 2 − 4 x + 4

in each equation.

x 2 − 3 x + 4 = 2 y = x 2 − 4 x + 4

Solve for  

x

in the first equation.

x = 2 , 1 y = x 2 − 4 x+ 4

Replace all occurrences of  

x  with  2

in each equation.

y=0 x = 2

Replace all occurrences of  x

with  1

in each equation.

y = 1 x = 1

The solution to the system is the complete set of ordered pairs that are valid solutions.

( 2 , 0 ) ( 1 , 1 )

The result can be shown in multiple forms.

Point Form:

( 2 , 0 ) , ( 1 , 1 )

Equation Form:

x=2 , y = 0 x = 1 , y = 1

Step-by-step explanation:

3 0
3 years ago
What is the area of the rectangle shown on the coordinate plane?
Gnesinka [82]

Answer:

16

Step-by-step explanation:

3 0
3 years ago
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Which value of x will make the triangles similar by the SSS similarity theorem
masha68 [24]

Answer:

x = 30.

Step-by-step explanation:

For the triangles to be similar corresponding sides must be in the same ratio.

So 50/ 75 = x / 45

75x = 50*45

x = 50* 45/75

= 2 * 45 / 3

= 30.   (answer).


4 0
4 years ago
what is the answer to this it takes sara 1/2 day to make birdhouse how much of birdhouse will be built after 2/5 day
Fiesta28 [93]

Answer:80%

Step-by-step explanation:

5 0
3 years ago
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Mr. Wilson has $2,500 in his savings account and m dollars in his checking account Write an expression that describes the total
marissa [1.9K]

Expression: 2500 + m

Just substitute m with 300 and solve like that.

2500 + 300 = 2800

5 0
3 years ago
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