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Hitman42 [59]
2 years ago
14

2x+y=3 x=3+y This is an equation of substitution and I need help

Mathematics
2 answers:
Aliun [14]2 years ago
7 0
2(3+y)+y=3
6+3y=3
Y=-1
Substitute to solve for x
X=3-1
X=2
laiz [17]2 years ago
7 0
Solution:(1,1)
replace the x if the first equation with the second equation then solve. Then take that solution and put it in for the y and solve.
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Em um posto de combustível, o litro da gasolina estava custando R$2,40.Um cliente gastou R$72,00 para encher o tanque de seu car
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Answer:

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7 0
3 years ago
Show the work please.
sladkih [1.3K]

In any given right triangle, the Pythagorean Theorem can be used to show that it is a right triangle.

The Pythagorean Theorem is a^2+b^2=c^2. In a right triangle, a and b would be the shorter legs of the triangle, while c would be the hypotenuse.

So for this problem, you would plug in the numbers in the order that they are listed to see if it is a right triangle.

F would be: 2^2+4^2=7^2. In this case, the sides are not equal.

G would be: 6^2+8^2=10^2. In this case, 100=100. So this is a right triangle.

H would be: 4^2+9^2=12^2. The sides are not equal.

J would be: 5^2+10^2=15^2. The sides are not equal.

Your answer would be G, since the sides are equal. Hope this helps! :)

3 0
3 years ago
Solve x – 5 = 16 for x.
insens350 [35]
Get x all alone on its own side:
x=16+5
x=21
5 0
2 years ago
Read 2 more answers
A.45<br> B.30<br> C.90<br> D.180<br> E.40<br> F.55<br> G.130<br> H.50
cupoosta [38]

Answer:

If you were to make a 360 degree circle and minus the 50 thats already there you get 310 the right angle on angle 5 is 90 degrees because its a right angle so then the 310-90=220 the obtuse angle on angle 2 is 180 so 220-180=40 lastly you share those forty between angles 3 and 4 and the solution is your answer.

Glab to help!

7 0
2 years ago
1000 grams decreased by 94
muminat
906 grams.
1000-94=906 grams
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3 years ago
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