Plz help me I need to turn it in on Monday

Mathematics

1 answer:

Andre45 [30]3 years ago

7 0

30). 35=.15x+3 Equation

32=.15x Subtract 3 from both sides

213.3333333=x Divide by 0.15 on both sides

35=0.15(213.3333333)+3 Plug in for X

35=32+3 Distribute 0.15 into 213.33...

35=35 Simplify
Therefore she can get about 213 pictures.

31). 226.5= 25(11am-6:30pm)+x   Equation

226.5=25(7.5)+x Find out how many hours

226.5=187.5+x distribute the 25 into the parenthesis

39=x Subtract 187.5

   226.5=25(7.5)+39 Plug in for x

226.5=187.5+39 Distribute 25 into parenthesis

226.5=226.5 simplify
we've established that the one time fee it 39 so
y=25(8am-1pm)+39 Equation

y=25(5)+39 Find amout of hours

y= 125+39 Distribute 25 into 5

y=164 simplify
therefore the jones family payed $164

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Plz help me with this

goldenfox [79]

Area of triangle=1/2(base×height)
360=1/2((4x-2)(7x+5))
720=(4x-2)(7x+5)
FOIL the binomial
720=28x^2+6x-10
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Factor 2 out
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Factor 2(14x+73)(x-5)=0
x-5=0
x=5
It can't be 14x-73=0 because the length can't be negative.
You're welcome.

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