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3 years ago

Use substitutions to solve each system of equations.[y = 4x -6] [5x + 3y = 1]

Mathematics

1 answer:

boyakko [2]3 years ago

4 0

y=4x-6.....(1)

5x+3y=1....(2)

substitute y=4x-6 into equation 2

5x+3(4x-6)=1

5x+12x-18=1

17x=19

x=1.12

substitute x=1.12 into equation 1

y=4(1.12)-6

y=4.48-6

y=-1.52

x=1.12,y=1.52

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We're looking for the two values being subtracted here. One of these values is easy to find:

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Each integral breaks down like so:

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Read 2 more answers

Pls help me .question no 14

Alex_Xolod [135]

Question 14, Part (i)

Focus on quadrilateral ABCD. The interior angles add to 360 (this is true for any quadrilateral), so,

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==================================================

Question 14, Part (ii)

Let

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Note that angles 1 and 2 are adjacent to form a straight line, so we can say

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Step-by-step explanation:

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different ways.

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