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anzhelika [568]
3 years ago
13

Solve 3x2 + 17x - 6 = 0.

Mathematics
2 answers:
geniusboy [140]3 years ago
7 0
3x^2 + 17x - 6 = 0\\
3x^2-x+18x-6=0\\
x(3x-1)+6(3x-1)=0\\
(x+6)(3x-1)=0\\
x=-6 \vee x=\dfrac{1}{3}
KengaRu [80]3 years ago
7 0

Answer:

x= -6

x= 1/3

Step-by-step explanation:

answer on edg

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Lady_Fox [76]

Answer:

Area would be 122.

Perimeter would be 45.

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3 years ago
Choose the best answers to complete the statements below.
morpeh [17]

<u>Answer:</u>

245 days per year ; 1715 hours per year

<u>Step-by-step explanation:</u>

Every emplyoee  works 5 days per week , 49 weeks per year. So,

Every employee works,

5 \times 49 days  = 245 days per year .

Every employee works  7 hours per day,

so, every employee works  7 \times 245 hours

                                           =  1715 hours per year .

                                     

5 0
3 years ago
(Power and Energy) If electricity costs $0.09 per kilowatt hour, find the cost (in dollars) of running each of the following ele
Dmitriy789 [7]

Answer:

a) $0.97

b) $0.16

c) $24.30

Step-by-step explanation:

$0.09 per kilowatt hour = $0.09/kWh

6h/day 30 days = 180h

a) 60W*180h = 10800 Wh = 10.8kWh

10.8kWh * $0.09/kWh = $0.97

b) P = V*I

V = 120V

I = 80mA = 80/1000 = 0.08A

P = 120*0.08 = 9.6W

9.6W*180h = 1728 Wh = 1.728kWh

1.728kWh * $0.09/kWh = $0.16

c) 1500W*180h = 270000 Wh = 270kWh

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5 0
3 years ago
Can someone give the answer to question 2
Natasha_Volkova [10]

Step-by-step explanation:

try doing a2+b2=c2 it will help

3 0
2 years ago
Identify an equation in point-slope form for the line perpendicular to y =3/4x -4 that passes through (-1, 7).
PilotLPTM [1.2K]

Answer:

y - 7 = -4/3(x + 1)

Step-by-step explanation:

<u>Given</u>

  • y =3/4x -4
  • (-1, 7)

<u>Convert to point slope form</u>

y - y1 = m(x - x1)

m: represents what the slope is

y - 7 = -4/3(x + 1)

<u>Distribute -4/3</u>

-4/3 * x = -4/3x

-4/3 * 1 = -4/3

y - 7 = -4/3x - 4/3

<u>Add seven in both sides</u>

21/3 -4/3 = 17/3

y = -4/3x + 17/2

<u>Answer</u>

linear equation: y = -4/3x + 17/2

point-slope form: y - 7 = -4/3(x + 1)

3 0
3 years ago
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