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pashok25 [27]
3 years ago
7

How many solutions does the following equation have, and what are the signs of the solutions? 5x^2 - 9x=2

Mathematics
1 answer:
Bad White [126]3 years ago
4 0
The solutions are:
x = 2 and
x = -.2


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Marcos has 78 toys cars he arranged the toys car into 6 days equal groups
fenix001 [56]

Answer: 13 groups

Step-by-step explanation:

78/6 = 13

6 0
3 years ago
One month ruby worked 8 hours more than Issac,and Shetland worked 4 times as many hours as ruby. Together they worked 136 hours.
Natalka [10]
R=number of hours ruby worked
i=number of hours issac worked
s=number of hours shetland worked


ruby worked 8 more than issac
r=8+i


shetland worked 4 times as many as ruby
s=4r

total they worked 136
r+i+s=136

so

we gots
r=8+i
s=4r

for r=8+i
solve for i
minus 8 both sides
r-8=i

so

r+i+s=136
subsitute r-8 for i and 4r for s
r+r-8+4r=136
6r-8=136
add 8 to both sides
6r=144
divide both sides by 6
r=24

sub back


r-8=i
24-8=i
16=i


s=4r
s=4(24)
s=96


ruby worked 24 hours
issac worked 16 hours
shetland worked 96 hours
4 0
3 years ago
Noah says that 9x - 2x + 4x is equivalent to 3x, because the subtraction sign tells us to subtract everything that comes from af
Alex787 [66]
Agree with Elena. Noah is wrong. If it is 9x-(2x+4x) then it equals to 3x.
5 0
4 years ago
Mr. Miranda borrowed $8,800 for 12 months at simple interest to pay for a new swimming pool. If Mr. Miranda paid the bank a tota
kaheart [24]

The answer would be b, or 1.4%.

4 0
3 years ago
PLEASE HELP What is the slope of the line y=−4y
quester [9]
The slope is -1/4 , hope this helps :)
7 0
3 years ago
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