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sasho [114]
3 years ago
9

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

Mathematics
1 answer:
vampirchik [111]3 years ago
8 0
This would be equivalent to one<span> kilowatt (</span>1<span> kW) of </span>power<span> sustained for </span>one<span> ... A device using 100 watts </span>over<span> 10 hours would utilize 1kWh</span>
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Write the equation in point slope intercept form of the line that passes through (6,-11) and is parallel to the graph of y=-2/3x
Alina [70]

Answer:

y+11=-2/3(x-6)

Step-by-step explanation:

To find the parallel line, we would just plug in the numbers in the point-slope form from what we're given. We have y=-2/3x+12 and (6,-11).

Point-slope form:

y-y1=m(x-x1) → y+11=-2/3(x-6)

m represents the slope, which is -2/3 in this situation.

y1 represents the y coordinate, which is -11 in this situation. However, when we plug in negative numbers in a point-slope form, we would do the opposite of the negative number, which is to make it a positive in point-slope form.

x1 represents the x coordinate, which is 6 in this situation.

8 0
3 years ago
A birthday party host planned for 20 people, but 17 actually attended. What is the percent error?​
Nikolay [14]

Answer: 29% i believe is the answer

8 0
3 years ago
Read 2 more answers
Write an expression that is equal to 3 times 2 and 1 /4
koban [17]
3x2x(1/4)= ????? And then u find the answer
6 0
3 years ago
Find a value of k for which the following system has only one solution:
densk [106]
K(cannot equal (the = sign with the line through it) -2
k(=/)-2

4 0
3 years ago
Which equation represents an exponential function with an initial value of 500
WITCHER [35]
Exponential function is characterized by an exponential increase or decrease of the value from one data point to the next by some constant. When you graph an exponential function, it would start by having a very steep slope. As time goes on, the slope decreases until it levels off. The general from of this equation is: y = A×b^x, where A is the initial data point at the start of an event, like an experiment. The term 'b' is the constant of exponential change. This is raised to the power of x, which represents the independent variable, usually time.

So, the hint for you to find is the term 500 right before the term with an exponent. For example, the function would be: y = 500(1.8)^x.
7 0
3 years ago
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