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3 years ago

7

I need HELP ASAP like NOW

1 answer:

LekaFEV [45]3 years ago

4 0

Answer:

180

Step-by-step explanation:

450 x 0.4 = 180

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Solve each system by substitution method. <br> X=2y+11<br> 7x+2y=13

Andreyy89

Step-by-step explanation:

you need to substitute the x in (7x +2y=13) with (x=2y+11) to solve it

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1 year ago

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ipn [44]

Answer:

S={( 1 )}

Step-by-step explanation:

-3x²+6x+1=4

-3x²+6x+1-4=0

-3x²+6x-3=0

∆=b²-4.a.c

∆=(6)²-4.(-3).(-3)

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∆=0

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3 years ago

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Mariulka [41]

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each person paid $8

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3 years ago

9 is subtracted from 3 times the sum of 4 and 2

Len [333]

Answer:

9

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3 times the sum of 4 and 2 = 3*(4+2)

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3 years ago

If two angles of a triangle are complementary, then the triangle must be

Angelina_Jolie [31]

That would be a right-angled triangle.

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3 years ago