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inn [45]
4 years ago
7

Proving the Converse of the Parallelogram Side Theorem

Mathematics
1 answer:
butalik [34]4 years ago
7 0

Answer:

statement

the sum of two adjacent angle of a triangle is 180° . prove that sides are parallel.

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Help me I’m stuck and please can someone explain this to me
Degger [83]

Answer:

84 degrees

Step-by-step explanation:

3x = 4x - 28. Reason: Alternate Exterior Angle are congruent

X=28 Reason: Algebra

Y+4x-28= 180 Reason: Straight angles = 180 degrees

Y=84. Reason: Algebra

8 0
3 years ago
Does anyone know this and if it is extraneous or not?
Anna11 [10]
Addd 4 to both sides
\sqrt{x+9}=5
sqare both sides
x+9=25
minus 9 both sides
x=16

plug it in for x and see
\sqrt{16+9}-4=1
\sqrt{25}-4=1
5-4=1
1=1
true

not extraneous
an extraneous root would be x=-34
5 0
3 years ago
Which table represents a linear function that has a slope of 5 and a y-intercept of 20?
Novay_Z [31]

Answer:

The table in the attached figure

Step-by-step explanation:

we know that

The equation of a line into slope-intercept form is equal to

y=mx+b

where

m is the slope

b is the y-coordinate of the y-intercept

In this problem we have

m=5

b=20

the equation is equal to

y=5x+20

Construct the table

a) For x=-4

Find the value of y

y=5(-4)+20=0

b) For x=0

Find the value of y

y=5(0)+20=20

c) For x=4

Find the value of y

y=5(4)+20=40

d) For x=8

Find the value of y

y=5(8)+20=60

The table in the attached figure



5 0
4 years ago
Read 2 more answers
Adding fractions and decimos
IgorC [24]
With fractions, you have to make sure their denominator is equivalent/ same. 
For example, if I were to add 1/2 and 3/4, I would need to convert 1/2 into 2/4.
Then I would add then together, and get 5/4, which can be simplified into 1 and 1/4,.
 When adding decimals, you have to line them up. So, lets say I were to add 3.45 and 2.4  
 I would have to line them up like so:
   
                   3.45+
                   2.40
Your answer:5.85.
8 0
3 years ago
Read 2 more answers
What is the domain indicated on the graph for each portion of the piecewise function? f(x) = StartLayout enlarged left-brace 1st
ratelena [41]

Answer:

-10<x<0

0<x<4

4<x<8

Step-by-step explanation:

Edg 2020 correct answer

3 0
3 years ago
Read 2 more answers
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