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igor_vitrenko [27]
3 years ago
8

2x^2 -8x + 1 = 0 solving using quadratic formula round to the nearest 10

Mathematics
1 answer:
Mazyrski [523]3 years ago
5 0

Answer:

x=0.129171

x=3.87083

Step-by-step explanation:

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Plz help me well mark brainliest if correct.....<br><br><br> .......????
Gemiola [76]

Answer:

C) The mean is about 100.

Step-by-step explanation:

We see that the best fit line (out of the options listed) would be y=100. The mean can also be algebraically calculated with the following equation:

Let a be the mean (average) of the values:

a=\frac{75+50+100+125+75+150}{6}=95.8\overline{3}, which is closest to answer choice C) The mean is about 100.

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2 years ago
ASAP NEEEEED HELLLLLLLLLP PLZZZ
nadya68 [22]
T = 5 a
i = 4% aa
j = 1200
c = ...
j = cit/100
c = 100j / it
c = 100*1200 / 4*5
c = 120000 / 20
c = 12000/2
c = 6000

montante

M = c+j
M = 6000+1200
M = 7200
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3 years ago
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SIZIF [17.4K]
It is C  parallelogram and rumbus

5 0
3 years ago
Read 2 more answers
I NEED UR HELPFNGKFNKFJFF
alisha [4.7K]

For Q3, you can subsitute x = 2 and y = 5 into the systems

-5(2) + 5 = -5

so it's a solution for the first system

-4(2)+2(5) = 2

it's also a solution for the second system

8 0
2 years ago
Someone tell me the anwser and i need to show my work too
Zinaida [17]
First you need to find how much 20% of $18.50 is. To do this, you need to multiply 18.50 by 20% which in decimal form is 0.2
$18.50x0.2=$3.70
Now you need to subtract $3.70 from $18.50
$18.50-$3.70=$14.80
Now that you have the new price, you need to find 6.75% of it to get the sales tax, so you multiply $14.80 by 6.75%, which is 0.0675 as a decimal.
$14.80x0.0675=$0.999 or $1 
Now you add the sales tax to $14.80
$14.80+$1=$15.80 or $14.80+$0.999=$15.799
6 0
3 years ago
Read 2 more answers
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