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krek1111 [17]
3 years ago
12

Evaluate the expression when x=1/2 and y=-5 -2xy

Mathematics
2 answers:
Ainat [17]3 years ago
5 0

Answer: Y=-5/2

Step-by-step explanation:

Komok [63]3 years ago
4 0

Answer:

5

Step-by-step explanation:

=-2 times 1/2 times -5

=-1 times -5 (negative times negative equals positive)

=5

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Darius buys a bottle of a chemical solution that contains 70 %percent alcohol. The bottle contains 500 milliliters of solution.
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7 0
3 years ago
I need help please :(
mixer [17]

Answer:

x = 7

Step-by-step explanation:

Given:

∠DEF = 117°

∠DEG = (12x + 1)°

∠GEF = (5x - 3)°

Find:

value of x

Computation:

∠DEF = ∠DEG + ∠GEF

117° = (12x + 1)° + (5x - 3)°

117° = 17 x - 2

x = 7

7 0
2 years ago
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70
Leto [7]
Is it supposed to be a attached picture to the question?
5 0
3 years ago
Help!! Which operation should be used to solve <br> X/3= 15? <br> A= ÷3<br> B= -3<br> C=+3<br> D=x3
Lera25 [3.4K]

Answer: D: X3

Step-by-step explanation:

4 0
3 years ago
I need help! Someone help me please
liberstina [14]

Answer:

4. 27

Step-by-step explanation:

11-10=1 which is <=16

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Therefore 27 doesn't satisfy the inequality

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3 years ago
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