Solve the following system of equations using matrices: 4x + 5y = 40 X-y=1

1 answer:

4 0

I think i’m not sure but i think the answer is (5,4) x=5 and y=4

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Sergeeva-Olga [200]

$d = \sqrt{(x_2 - x_1)^2+(y_2-y_1)^2} \\ d = \sqrt{(-9 - (-5))^2+(-2 - (-5))^2} \\ d = \sqrt{(-4)^2+(3)^2} \\ d = \sqrt{16 + 9} \\ d = \sqrt{25} = 5$

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3 years ago

ElenaW [278]

148+35=183

80+(-53)=27

(-125) x (-42)=5250

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2 years ago

Shtirlitz [24]

If there is no expression, it surely is equal to 0.

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3 years ago

aksik [14]

4/5= 4 x 2=8
5 x 2=10

5/8=5 x 3 =15
6 x 3= 18

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3 years ago

blagie [28]

$\bf x+1=23\qquad \qquad \stackrel{3(x+1)}{3x+3}\qquad \qquad \stackrel{\downarrow }{3}(x+1)=\stackrel{\downarrow }{3}(23)$

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3 years ago