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vesna_86 [32]
2 years ago
6

Is (1,8) a solution to the system of equations 3x+y=9 2x+9y=20​

Mathematics
1 answer:
nlexa [21]2 years ago
3 0
No I don’t think so cause I just calculated the answer

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Complementary angles equal 90 degrees true or false
barxatty [35]

False, Complementary angles equal to 180 degrees and Supplementary angles equal to 360 degrees

7 0
3 years ago
PLZZZZZ HELPPPPPPPP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
shtirl [24]

Answer:

y = 3

x = 1

y = 1.5

x = 2

Step-by-step explanation:

For the first x point, look at the graph where x is 0. When x is 0, y is 3. So the first one is 3. For the second one, there is a point on the graph where y is 4. Where y is 4, x is 1, so you the second answer is 1. For the third one, find the y point where x is -1. At the x value, -1, y is 1.5. For the last one, where y is 5, x is 2.

8 0
2 years ago
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(x - 1)-+ x (1 - x)<br>-<br>-(1+x)<br>--x-1<br>is it correct?<br>​
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Ya i think that it would bee
8 0
3 years ago
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jake can carry 6 1/4 pounds of wood in from the barn. his father can carry 1 5/7 times as much as jake. how many pounds can jake
Andrej [43]
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7 0
3 years ago
For question 3, use the Pythagorean Theorem.
Juliette [100K]

Step-by-step explanation:

can't really use the Pythagorean because you don't know this is a right triangle.

use the fact that they are similar

so

3/6 = x/12 where x is FE

cross multiply

6x = 36 therefore FE = 6

then 6/12 = y/9 where y is FD

cross multiply

12y = 54 = 54/12 therefore FD = 4.5

3 0
2 years ago
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