3 years ago

PLEASE NEED SOME HELP

Mathematics

1 answer:

ELEN [110]3 years ago

8 0

Answer:

942.5 cm3

Step-by-step explanation:

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3x+3=3y 2x-6y=2 (Solving Systems Of Linear Equations By Elimination)

Sergio [31]

3x+3=3y ⇒ 3y-3x=3 ⇒3(y-x)=3 ⇒ y-x=1
2x-6y=2 ⇒ 2(x-3y)=2 ⇒ x-3y=1

We must to collect two equations.
x's is lost;
y-3y=2
-2y=2
y=-1 ; x-3.(-1)=1 ⇒ x=-2

Answer is (-2,-1)

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3 years ago

Which of these numbers is a common factor of 54 and 81? 54 = 2 x 3 x 3 x 3 81 = 3 x 3 x 3 x 3 A) 2 B) 6 C) 9 D) 18

stealth61 [152]

Answer:

C) 9

Step-by-step explanation:

54 = 2 x 3 x 3 x 3

81 = 3 x 3 x 3 x 3

common factor of 54 and 81 = 3 x 3 = 9

Answer: 9

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gizmo_the_mogwai [7]

The answer is $576.888

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3 years ago

Can somebody help me please

serious [3.7K]

Answer: y-int ( 0, 0.4 ) x-int ( 0.3, 0 )

Step-by-step explanation:

Given in the graph

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Hugo works in a shop.

slava [35]

Answer:

£111

Step-by-step explanation:

Money earned on saturday: 9*7=63

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plz mark branliest

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