3 years ago

Fill in the 3 blank boxes

Mathematics

1 answer:

Ket [755]3 years ago

6 0

First one is 1 x 10^6
second is 2 x 10^8
third one is 157 times

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Please help me !!!

kati45 [8]

$23)~75r^2-48=3(25r^2-16)=3(5r-4)(5r+4)\\\\
24)~45x^2-5=5(9x^2-1)=5(3x-1)(3x+1)\\\\
25)~m^3n-mn^3=mn(m^2-n^2)=mn(m-n)(m+n)\\\\
26)~6a^3-24ab^2=6a(a^2-4b^2)=6a(a-2b)(a+2b)\\\\
27)~3x^2+15x-72=3(x^2+5x-24)=3(x-3)(x+8)\\\\
28)~2m^2-4m+2=2(m^2-2m+1)=2(m-1)^2\\\\
29)~x^3+9x^2-52x=x(x^2+9x-52)=x(x-4)(x+13)\\\\
30)~4y^3+4y^2-120y=4y(y^2+y-30)=4y(y-5)(y+6)$

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3 years ago

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Some one factor 3x^2+7x-20

mylen [45]

Split it up
3x^2+12x-5x-20
group
(3x^2+12x)+(-5x-20)
factor
(3x)(x+4)+(-5)(x+4)
undistribute (x+4) like ab+ac=a(b+c)
(3x-5)(x+4)

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3 years ago

Suppose that farmer's grew an unexpectedly large number of tomatoes this year. How would this increase in production affect the

MArishka [77]

The price would decrease because they want to get rid of the tomatoes

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2 years ago

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In a day, Robin spends 6 hours at school, sleeps for 9 hours, plays for 3 hours, and spends the rest of the time doing other thi

slavikrds [6]

6hrs = school
9hrs = sleeps = 18hrs // 24hrs ----6hrs left
3hrs = plays

6hrs = other things

playing = 12.5% -- 3/24 3/24*100
other things = 25% -- 6/24 6/24*100

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In 2007, Consumer Reports published the results of an investigation of broiler chickens purchased at stores in 23 states. Testin

vovikov84 [41]

Answer:

30% Honestly idk

Step-by-step explanation:

jhs

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