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Juli2301 [7.4K]
3 years ago
8

How do you solve (X-9)(X+11)

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
5 0
FOIL
x^2+11x-9x-99
x^2+2x-99
ivann1987 [24]3 years ago
3 0
The answerwould by X squared plus two x minus 99
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(100 x 8= 800)

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3 years ago
A soccer field is 120 meters long. A soccer player rins from one end of the field to the other end 5 times.
mote1985 [20]

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7 0
4 years ago
Read 2 more answers
ILL MARK BRAINIEST IF YOU DO THIS RIGHT!!!
Arlecino [84]
First let’s find the equation:
a = (42-21)/(26-13)
a= 21/13
y-y1 = a(x-x1)
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y=(21/13)x-21+21
y=(21/13)x

Now we will find the other point:
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X = 3 >> y =(21/13)*3 = 4.84 (not)
X = 4 >> y =(21/13)*4 = 6.46 (not)

X = 5 >> y =(21/13)*5 = 8.07 (yes) find the answer
7 0
3 years ago
marie purchasing memo paper for the office. the supplier offers 8 packs for $2.16 or 18 packs for $4.99. which is the better buy
Maurinko [17]

The better buy is 18 packs for $4.99.

8 0
3 years ago
I really need help with number 4. Please help me out!
Zina [86]
So " the line of best fit " would be 5(h) to 200(m) .
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The equation would be 40x. 
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7 0
4 years ago
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