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forsale [732]
3 years ago
11

Find the value of the expression. •(- 12 1 4

Mathematics
1 answer:
Serggg [28]3 years ago
6 0

Answer:

try mat.h way it will help

Step-by-step explanation:

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Please help me on this math question
skelet666 [1.2K]

Answer:

x = 6 , y = 3

Step-by-step explanation:

x− 2 y = 0 ⇒ x = 2 y  

Substitute x=2y into 4x-3y=15, we get : 4 ( 2 y ) − 3 y = 15

8 y− 3 y = 15  5 y = 15 ⇒ y = 3  x = 2 y = 2 × 3 = 6

8 0
3 years ago
Francis teaches the piano. He charges each student an enrollment fee of $100 plus $15 per hour of piano lessons. The average cos
Kryger [21]

Answer:

y=15x+100

Step-by-step explanation:

increases by 15, 100 is starting free

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What is the surface area of the figure below?
konstantin123 [22]
The answer is D I’m pretty sure!? Hopefully you got it right!!!!!!!
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2 years ago
-2- 3(7-k) =-4(2k-1)
Ivan

Answer:

k=27/11

Step-by-step explanation:

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3 years ago
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Lisa [10]
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