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iris [78.8K]
3 years ago
7

Y=-x 5x+2y=9 BRAINLIEST REWARDED

Mathematics
2 answers:
Blizzard [7]3 years ago
6 0
<span>Y=-x</span>→<span>
5x+2y=9

5x+2(-x)=9</span><span>
5x-2x=9
3x=9
x=9</span>÷3
x=3
timama [110]3 years ago
3 0
5x+2-x=9
     -2     -2
5x-x=7
4x=7
---  ---
4     4

X= 1.75
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Andrews [41]

Answer:

1. If x and y are supplementary angles, then y is sometimes acute because supplementary angles are angles that add up to 180 degrees. So, y can be acute while x can be obtuse, y can be obtuse while x can be acute, or both can be right angles.

2. If x and y are complementary angles, then x is never obtuse. Complementary angles are angles that add up to 90 degrees, and obtuse angles are angles over 90 degrees, so it's impossible to have an obtuse angle as a complementary angle.  

Step-by-step explanation:

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3 years ago
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At an amusement park, the cost of 3 adult tickets and 4 children’s tickets is $126.50. Another customer paid $120.50 for 2 adult
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Answer 5 for kid 12 for adult

Step-by-step explanation:

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3 years ago
Profit is the amount of money that remains after all expenses of a project have been paid. The year has just​ ended, and Ajax​ C
lilavasa [31]

Answer:

the Profit earned by the company is $280,489

Step-by-step explanation:

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6 0
3 years ago
If f(x) = x^2 + 1 and g(x) = 3x + 1, find [f(4)]^2 <br> 81 <br> 257 <br> 289
Vedmedyk [2.9K]
So g(x) doesn't come in
ok

remember pemdas
inside first
evaluate f(4)
f(4)=4^2+1=16+1=17
now we have

[17]^2=289

answer s 289
7 0
3 years ago
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What is the value of the function f(x) = 2x – 5 when x = 22? A17 B49 C105 D39
enyata [817]
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answer

</span><span>D39</span>
8 0
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