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Tpy6a [65]
3 years ago
13

Simplify 10(2x + 3) - 20.

Mathematics
2 answers:
Brut [27]3 years ago
6 0

Answer:

10

Step-by-step explanation:

Alexeev081 [22]3 years ago
6 0

Answer:

20x + 10

Step-by-step explanation:

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SOMEONE PLEASE HELLPPPP
ipn [44]

Answer:

93.39

Step-by-step explanation:

So the sum of exterior angles of the convex octagon is: 360 degrees

This means if we add all the equations that represent each angle, we can set it equal to 360 and solve for x

(x+14) + (2x-3) + (3x+8) + (3x+16) + (2x-17) + (3x-4) + (3x-12) + (6x)

Group like terms

(x+2x+3x+3x+2x+3x+3x+6x) + (14-3+8+16-17-4-12)

Add like terms

23x+2

Now let's set the sum of exterior angles to 360

23x+2 = 360

Subtract 2 from both sides

23x=358

Divide both sides by 23

x\approx 15.565

So by looking at all these, it appears that 6x is the highest value, given that x is positive. The way I estimated, is approximately 15.5, whenever I saw an equation like x+14, I estimated it's about 2x, since 14 is not exactly, but close to 15.5. I did this with each polynomial given. You could also manually check each one

Original equation

6x

Subsitute

6(15.565)

Simplify

93.39

7 0
1 year ago
What is the LCM of 4,8,14?
Tamiku [17]
The LCM of 4,8,14 is 56

M of 4 are 4,8,12,16,20,24,28,32,36,40,44,48,52,56
M of 8 are 8,16,32,48,56,64
M of 14 are 14,28,42,56


I hope this helps you
5 0
3 years ago
What is 17cm per min=how much mile per hour
dalvyx [7]
(centimeter/minute): 17
(miles per hour): 0.00633799
6 0
3 years ago
Read 2 more answers
Tom wants to buy 10 shirts.
cupoosta [38]

Answer:

$109.99

Step-by-step explanation:

You just have to multiply 10x10.99

6 0
3 years ago
Read 2 more answers
Please help me<br> How many solutions does the equation<br> 1-(6x - 4) = 3(1 – x) have?
AnnZ [28]

Answer: one solution

this is all i know

3 0
3 years ago
Read 2 more answers
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