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2 years ago

How much electricity is used, on average, by a security system that is always on over one year?

1 answer:

8 0

This would be equivalent to one kilowatt (1 kW) of power sustained for one ... A device using 100 watts over 10 hours would utilize 1kWh

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Did I get these all right

Leviafan [203]

Yep! They are all right! Great job, could write a bit better.... sorry

3 0

2 years ago

Solve n + 5(n - 1) = 7

Nina [5.8K]

Answer:

N = 2

Step-by-step explanation:

n + 5(n-1) = 7

n + 5n - 5 = 7

6n - 5 = 7

6n = 12

n = 2

HOPE THIS HELPS

PLZZ MARK BRAINLIEST!!!

7 0

3 years ago

Read 2 more answers

What is parallel to 2x-y=1 and contains (4, -6)? Please show your work!

Contact [7]

$k:\ y=m_1x+b_1\\\\l:\ y=m_2x+b_2\\\\l\ ||\ k\iff m_1=m_2\\\\\text{We have}\\\\k:\ 2x-y=1\ \ \ |-2x\\-y=-2x+1\ \ \ \ |\cdot(-1)\\y=2x-1\to m_1=2\\\\l:\ y=m_2x+b\\\\l\ ||\ k\iff m_2=2\\\\l:\ y=2x+b\\\\\text{The line l contains (4, -6)}\\\\\text{Put the values of coordinates to the equation of line l}\\\\-6=2(4)+b\\-6=8+b\ \ \ \ \ |-8\\b=-14\\\\Answer:\ y=2x-14\to 2x-y=14$

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2 years ago

4×(34−12)+3×6 No links i am bad at math

Inga [223]

Answer:

4×(34-12)+3×6

4×22+3×6

88+18

=106

Step-by-step explanation:

Apply the BEDMAS rule

B=brackets

E=exponents

D=Division

M=multiplication

A=addition

S=subtraction

8 0

2 years ago

Read 2 more answers

Aubrey is going to see a movie and is taking her 2 kids. Each movie ticket costs $13 and there are an assortment of snacks avail

iren [92.7K]

Answer:

$51

Step-by-step explanation:

do 13*3 because of the 2 kids and the adult then add 12 because of the snacks

hope this helps

7 0

2 years ago

Read 2 more answers