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Alex787 [66]
3 years ago
11

Please do 19 20 21 for me

Mathematics
1 answer:
beks73 [17]3 years ago
3 0
1) 31.50/3.50 = V =>video games
V= 9
2) 38.45-8.50 =29.95
29.95/5(movies)
$5.99/movie
3) ???sorry idk it???
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Someone please help for brainiest and thanks.. No fake answers or you get reported
bagirrra123 [75]

Hello from MrBillDoesMath!

Answer:

12/5


Discussion:

Note that 10 is a common denominator of both denominators:

9/5 = (9*2)/(5*2) = 18/10

- ( -6/10) = + (6/10)

So the original problem is equivalent to

18/10 + 6/10 =

(18 +6)/10 =

24/10 =

(2*12)/ (2*5)   =>       cancelling the common factor "2"

12/5 =

2 and 2 fifths =

22/5            (though this looks like (22)/5!)


Thank you,

MrB

6 0
4 years ago
Divide 28x3 + 42x2 − 35x by 7x. 4x2 − 6x + 5 4x2 + 6x − 5 4x3 − 6x2 + 5 4x3 + 6x2 − 5
Arturiano [62]
\frac{28x^3+42x^2-35x}{7x}=  \frac{7x(4x^2+6x-5)}{7x}= 4x^2+6x-5
6 0
3 years ago
Read 2 more answers
What is the square root of 9 over 25
GenaCL600 [577]
Sqrt(9)÷25= 0.12     I hope this helps!
6 0
4 years ago
Read 2 more answers
The May 1, 2009, issue of a certain publication reported the following home sale amounts for a sample of homes in Alameda, CA th
MatroZZZ [7]
Noone does long answers lol
4 0
3 years ago
HELP PLEASE!
Salsk061 [2.6K]

Answer:

a

Step-by-step explanation:

y=6x²+12x+2

y=4x²+16x+16

6x²+12x+2=4x²+16x+16

6x²-4x²+12x-16x+2-16=0

2x²-4x-14=0

x²-2x-7=0

x²-2x+1-1-7=0

(x-1)²=8

x-1=±√8=±2√2

x=1±2√2

x≈1±2.83

x≈3.83,-1.83

x=2√2 -1≈1.828≈1.83

4 0
3 years ago
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