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2 years ago

Show steps to solve these systems of equations using the substitution method:

1 answer:

5 0

Step 1. 5x-4(-3x+5)=-3
step 2. distribute 5x+12x-20=-3
step 3. combine like terms 17x-20=-3
step 4. add 20 17x=17
step 5. divide 17 x=1
step 6. fill x in first equation y=-3(1)+5
step 7. combine y=2
x=1 y=2

step 1. fill in for y -3x-3(-5x-17)=3
step 2. distribute -3x+15x+ 51=3
step 3. combine 12x+51=3
step 4. minus 51 12x= 48
step 5. divide by 12 x= 4
step 6. fill in x to find y y=-5(4)-17
step 7. combine y=-20-17
y=-37 x=4

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2 years ago

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We need slope of all lines ?

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Slope of JK:-

$\\ \sf\longmapsto m=\dfrac{1+1}{0+5}=\dfrac{2}{5}$

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$\\ \sf\longmapsto m=\dfrac{-5-1}{2-0}=\dfrac{-6}{0}=-3$

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1 year ago

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Answer:

m<GFA = 110

Step-by-step explanation:

1. ABCD - parallelogram Definition of a parallelogram

(AB ll CD) (AD ll BC)

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110 + m<C = 180 parallelogram are supplementary

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4. m<B = m<D = 110 Opposite angles in a

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10.m<ADG+m<DFG+m<GFA+m<A=360 Sum of angles in quadrilateral

55 + 125 + m<GFA + 70 = 360 DGFA

m<GFA + 250 = 360

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