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sleet_krkn [62]
3 years ago
11

The polygons below are similar. Find the value of y. 4.5 12 16 Guess: 16

Mathematics
1 answer:
elena55 [62]3 years ago
8 0
<span>I believe its 4.5 
I could be wrong though</span>
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I'm in algebra please help and explain with work
lidiya [134]
2x+4y=0
3x+y=10
So what we want to do is get y onto one side by itself using whatever equation you like.
So I'm taking 2x+4y=0 and subtracting 4y from both sides
So we end up with
2x=4y
Divide both sides by four
2/4x is 1/2 x
So we get 1/2x=y
Take this and plug it into the other equation
3x+y=10
3x+1/2x=10
Add your like terms
3 1/2x=10
Putting 3 1/2 as a mixed number we get 7/2
So..
7/2x=10
Multiply by the opposite of 7/2 on both sides
Which is 2/7 this will cancel out the left side.
So we end up with
X= 10•2/7
X=20/7
Which is 2 and 6/7 as a mixed number.

5 0
3 years ago
[2x(3+5)+6]x4 what is the value of this expression
Gekata [30.6K]

Answer:

16x5+6x4

Step-by-step explanation:

(2x(3+5)+6)(x4)

=(2x(3+5)+6)(x4)

=(2x(3+5))(x4)+(6)(x4)

=16x5+6x4

5 0
2 years ago
Read 2 more answers
Choose the equation below that represents the line passing through the point (2, - 5) with a slope of −3.
ad-work [718]

Answer:

the equation of the line is y=-3x+1

have a great day! hope this helped :D

8 0
3 years ago
Find the domain and range of the following function ƒ(x) = 5|x - 2| + 4
Inessa [10]

Answer:

this is the answer fod this lroblsm

6 0
3 years ago
Please help! Thanks!
alisha [4.7K]

Answer:

2,9

Step-by-step explanation:

6 0
3 years ago
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