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SpyIntel [72]
3 years ago
6

An angle measures 15 degrees more than its complement. Find the measures of the two angles

Mathematics
1 answer:
ale4655 [162]3 years ago
3 0

x = one angle

y = other angle

y = 15+x

complements add to 90 degrees

x+y = 90

substitute for y (15+x)

x + 15+x = 90

combine like terms

2x+ 15 = 90

subtract 15 from each side

2x = 75

divide  each side by 2

x = 75/2

x = 37.5

y = x+15

y = 37.5 + 15

y =52.5

The two angles are 37.5 and 52.5


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Wich one is bigger 3/3 or 7/8
MrRissso [65]
3/3=1 and 7/8 is < 1 so 3/3 is bigger
4 0
3 years ago
Plz answer!! only if you are correct. don’t answer just for points :)
Ann [662]

Answer

Step-by-step explanation:

Both 1 and 2 equel up to 90 degrees

so to find x for 1 and 2 you would simplify the equations

90 = 6x - 3

and

90= 3x - 6

simplify them and you wil get the answers you want

another way to do it is combining the two and solve.

90 = 9x - 9  

Just simplify :)

8 0
3 years ago
A trapezoid has an area of 30m^2. if all of its side lengths are tripled, what will its new area be​
Norma-Jean [14]

Answer:

270

Step-by-step explanation:

Because we do not know what the side lengths are, as long as they multiply to 30m^2, it's fine

For this question, let's just say the base is 5, and the height is 6. If we triple 5, we get 15, and if we triple 6, we get 18. 15*18=270

Now what if, the sides are not 5 and 6. Will the area still be the same? Let's find out.

10*3=30 so we can say for this answer, the base is 3, and the height is 10.

10 tripled is 30, and 3 tripled is 9. 30*9=270

So as we look at these 2 answers. we can conclude that the new area, no matter the side lengths, will be 270

Hope this helpes!

5 0
3 years ago
Correct answer only!!!
Natalka [10]

Answer:

yea I'm not sure but maybe 40

7 0
3 years ago
Elimination was used to solve a system of equations.
polet [3.4K]

Answer:

34 7

Step-by-step explanation:

6 0
3 years ago
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