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Ierofanga [76]
3 years ago
11

Please answer quick you will be rewarded handsomely!!!

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
7 0
12*12=144cm^2

I think that’s how it’s done, if not I’m really sorry
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In the regular decagon shown, what is the measure of angle 1?
NeX [460]

Answer:

try 36 but im not quite sure

Step-by-step explanation:

im sry if im wrong have a good rest of your day :)

6 0
2 years ago
ILL GIVE U BRAINLYIST IF U ANSWER. Find the solution to the system of equations below (you can do this by substitution or elimin
cricket20 [7]

Elimination:

-4x+y=6

-5x-y=21   ...and then u add them together so its;

(the y cancelled out so its 0) x =27

plug in the 27 to any x...

-4(27) + y = 6

-108+y=6

add -108 on both sides so its...

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7 0
2 years ago
The triangles shown below must be congruent.
Ber [7]

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False

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
How would i solve for x and y in 3x+2y=17 and 2x-y=2 by using substitution
maxonik [38]
I’ll do an example problem, and I challenge you to do this on your own!
4x+6y=23
7y-8x=5
Solving for y in 4x+6y=23, we can separate the y by subtracting both sides by 4x (addition property of equality), resulting in 6y=23-4x. To make the y separate from everything else, we divide by 6, resulting in (23-4x)/6=y. To solve for x, we can do something similar - subtract 6y from both sides to get 23-6y=4x. Next, divide both sides by 4 to get (23-6y)/4=x.

Since we know that (23-4x)/6=y, we can plug that into 7y-8x=5, resulting in
7*(23-4x)/6-8x=5
= (161-28x)/6-8x
Multiplying both sides by 6, we get 161-28x-48x=30
= 161-76x
Subtracting 161 from both sides, we get -131=-76x. Next, we can divide both sides by -76 to separate the x and get x=131/76. Plugging that into 4x+6y=23, we get 4(131/76)+6y=23. Subtracting 4(131/76) from both sides, we get
6y=23-524/76. Lastly, we can divide both sides by 6 to get y=(23-524/76)/6

Good luck, and feel free to ask any questions!
4 0
3 years ago
Why did the football coach send in his second string
Bond [772]
Too get them too work harder or sonner
7 0
3 years ago
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