Eleanor was looking to save money and make her home more energy efficient. She heard about LED
light bulbs but wanted to calculate the actual cost per year before buying them. Eleanor found that
incandescent bulbs cost $0.01 per hour in electricity, while LED's cost $0.0022 per hour. If the average
home has 65 light bulbs and has their lights on for 4 hours per day, what is the savings for 1 year for
Eleanor to switch all of her light bulbs to LED's?

Answers

Answer 1
It’s going be 200 per hour and 70 min

Related Questions

bill weighs 120 pounds and is gaining ten pounds each month.phil weighs 150 pounds and is gaining 4 pound each month. how many months,m, will it take for bill to weigh the same as phil?

Answers

Answer:5 months

Step-by-step explanation:150 +4 5 times would be 170 and 120+10 5 times would be 170 as well

NEED RN WORH 100! THANK YOU

Answers

Answer:

d im pretty sure

Step-by-step explanation:

I’m not sure but I think the answer is d

Answer?!?????????????

Answers

Answer:

A i think

Step-by-step explanation:

Answer:

its   c i hope i helped-shelby

Step-by-step explanation:

What is the equation of this line

Answers

Answer:

y = 1/2x - 3

Step-by-step explanation:

Slope: Up 1 over 2

Y-Int: -3

y=mx+b

What property is shown by this number sentence?

52 + 0 = 52

Answers

Answer:

Addition Identity Property

Step-by-step explanation:

Addition Identity Property because a number + 0 = that number is Addition Identity Property.

Identity Property is the property

Sean began jogging to live a healthier lifestyle. On his first run, he ran one-half mile. He increased his workouts by adding two miles a month to his run. He wrote the equation f(x)= 0.5 + 2x to model his progress. The variable x represents the number of

miles he runs.
months he runs.
miles he ran the first day.
calories he burns

Answers

Answer:

b) months he runs

Step-by-step explanation:

on edge 2020 || pls mark brainliest the other guy is wrong dont listen to them!!

Answer:

B) Months he runs

Step-by-step explanation:

100% on edge 2021 :)

Hope This Helped!

Matter is in a liquid state when its temperature is between its melting point and its boiling point. Suppose that some substance has a melting point of negative 35.84 degrees Upper C and a boiling point of 310.69 degrees Upper C . What is the range of temperatures in degrees Fahrenheit for which this substance is not in a liquid​ state? (Hint: Upper C equals five ninths left parenthesis Upper F minus 32 right parenthesis ​) Express the range as an inequality. Let x represent the temperature in degrees Fahrenheit. What is the range of temperatures for which this substance is not in a liquid​ state? nothing ​(Type an inequality or a compound inequality. Simplify your answer. Use integers or decimals for any numbers in the expression. Round to three decimal places as​ needed.)

Answers

Answer:

96.512 °F < x < 591.242 °F

Step-by-step explanation:

We are given;

Melting point = 35.84 °C

Boiling point = 310.69 °C

Now, we are given that formula to convert °C to °F is;

°C = (5/9)°F

Thus if the temperature in Fahrenheit is x, then;

Melting point is; 35.84 °C = (5/9)x°F - "32"

x = ((9 × 35.84)/5) + 32

x = 96.512 °F

Similarly, for Boiling point;

Boiling point is;

310.69 °C = (5/9)x°F - "32"

x = ((9 × 310.69)/5) + 32

x = 591.242 °F

Now, we are told that matter is in its liquid form when it is between melting and boiling point.

Thus, range of x in inequality form is;

96.512 °F < x < 591.242 °F


Write each decimal as a fraction in simplest form.
9. 0.008
10. -0.6
11. -2.05

Answers

9.1/125

10.-3/5

11. -2 1/20

please help me with this

Answers

D- 42

It needs to equal 180, and 180-138 is 42

Answer:

The answer is D: 42

Step-by-step explanation:

Angle 7 and angle 138 are supplementary and must add up to 180

Angle 7 is congruent to angle 6 through CPCTC (Corresponding Parts of Congruent Triangles are Congruent)

Angle 7 and 6 are corresponding angles

you must find angle 7 becasue Angle 7= Angle 6

angle 7=x

138-x=180

solve for equation you get

x=42

Angle 7 = 42

so that means that Angle 6 is 42

ldentify the method that will be used in solving for x. 5+X=3/4 ​

Answers

Answer: x = -4.25

Step-by-step explanation: PLEASE GIVE BRAINLIEST IT HELPS ALOT

Answer:

X= -[tex]\frac{17}{4}[/tex] or -4.25 or -4[tex]\frac{1}{4}[/tex]

Step-by-step explanation:

All the terms that DO NOT contain X are to be moved to the right side of the equation

URGENT: WILL MARK BRAINLIEST

Answers

Answer:wait 15 min then I will have thee answer

Step-by-step explanation:

ABC is a straight line. which equation can be used to find the measure of the unknown angel?

Answers

Answer:

A: 180 -45

Step-by-step explanation:

Since it is a straight angle, it will equal 180 degrees. Since 45 is already taken, u would subtract it from 180.

180-45=135

thus, your answer is 180-45

hope I helped!!!

If f(x)=−6x+4, Find f(x)=46

Answers

Answer:

Step-by-step explanation:

-6x + 4 = 46

-6x = 42

x = -7

solve for z
-cz+6z=tz+83

Answers

Answer:

the answer to your equation is Z=0(with a slash on the = sign)

Step-by-step explanation:

-cz+6z-6z=tz+83-6z

-cz=tz+83-6z

Divide both side by -z

simplify and you get Z=0

z= –83/c-6+t
explanation: move all terms to the left side and set equal to zero. then set each factor equal to zero.

help plsss .....!!!!

Answers

Answer:

p=-7

Step-by-step explanation:

30+6p=7(p+6)-5

30+6p=7p+42-5

30+6p=7p+37

6p-7p=37-30

-1p=7

p=-7

Multiply. Write your answer as a fraction in simplest form.

5/6(−8/15)=

Answers

Answer:

-4/9

Step-by-step explanation:

I used a calculator.

5/6(−8/15) in simplest form is -4/9.

What is a fraction ?

A fraction is written in the form of a numerator and a denominator.There are two types of fractions. One is proper fraction in which numerator is less than the denominator and another one is improper fraction in which denominator is less than the numerator.All fractions can be written in the form of p/q, where q ≠ 0 cause anything divided by 0 is undefined.

According to the given questions we have to multiply two fractions        (5/6)(-8/15) which is

= -40/90.

= -4/9.

learn more about fractions here :

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Can somebody help me on 14?

Answers

It isn’t them going up or down a hill. It is the speed changing

Answer:

It is the speed changing

Step-by-step explanation:

becauses it is speed vs time

Find the coordinates of the focus and equation of the directrix for the parabola given by y2 = −4x. The general formula for this parabola is y2 = 4px. Therefore, the value of p is . The coordinates of the focus are . The equation of the directrix is .

Answers

Answer:

The coordinates of the focus are [tex]F(x,y) = (-1,0)[/tex] anf the equation of the directrix is [tex]x = 1[/tex], respectively.

Step-by-step explanation:

Let be [tex]y^{2} = -4\cdot x[/tex], which represents a parabola with a horizontal axis of symmetry. To find the location of the focus and to determine the equation of the directrix we must find the distance between focus and vertex ([tex]p[/tex]), dimensionless, a value than can be extracted from the following definition:

[tex](y-k)^{2} = 4\cdot p \cdot (x-h)[/tex] (Eq. 1)

Where:

[tex]x[/tex] - Independent variable, dimensionless.

[tex]y[/tex] - Dependent variable, dimensionless.

[tex]h[/tex], [tex]k[/tex] - Coordinates of the vertex, dimensionless.

By direct comparison, we get the following coincidences:

[tex]h = 0[/tex]

[tex]k = 0[/tex]

[tex]4\cdot p = -4[/tex] (Eq. 2)

From (Eq. 2) we get that distance between focus and vertex is:

[tex]p = -1[/tex]

Which is consistent with the fact parabola has an absolute maximum.

Now, the location of the focus is:

[tex]F(x,y) = (h+p, k)[/tex] (Eq. 3)

If know that [tex]h = 0[/tex], [tex]k = 0[/tex] and [tex]p = -1[/tex], coordinates of the focus is:

[tex]F(x, y) = (0-1, 0)[/tex]

[tex]F(x,y) = (-1,0)[/tex]

And the equation of the directrix is represented by:

[tex]x = -p[/tex] (Eq. 4)

([tex]p = -1[/tex])

[tex]x = 1[/tex]

The coordinates of the focus are [tex]F(x,y) = (-1,0)[/tex] anf the equation of the directrix is [tex]x = 1[/tex], respectively.

Answer:

The general formula for this parabola is y2 = 4px.

Therefore, the value of p is  

✔ –1

.

The coordinates of the focus are  

✔ (–1,0)

.

The equation of the directrix is  

✔ x = 1

.

Step-by-step explanation:

What percent of $18 is $6?

Answers

33.333% (with the 3 repeating)

1/3 of 18 is 6, so 33.333% (with the 3 repeating) of 18 would be 6.

Answer:

33.333% (its a repeating 3)

Step-by-step explanation:

$6 is 33.33% of 18.

I got this number by dividing 6 by 18, which gave me 0.33333333333.

I then converted 0.33333333333 to a percentage, rounded, and got 33.33%.

is 13/3 rational or irrational and why?

Answers

Answer:

The decimal form of 13/3 is a rational number. and decimals are rational

The sum of 3 consecutive numbers is 72. What is the largest of these numbers?

23
25
26
28

Answers

Answer:

25

Step-by-step explanation:

23+24+25=72

hope i helped!! :)

( if it is right, pls mark brainliest!!)

Answer:

25

Step-by-step explanation:

let x represent the first consecutive number.

let x+1 represent the second consecutive number.

let x+2 represent the third consecutive number.

x + x+1 + x+2 = 72

3x + 3 = 72

3x = 72 - 3

3x = 69

3x/3 = 69/3

x= 23

first number= x = 23

second number = x+1

= 23+1

=24

third number= x+2

=23+2

=25

the largest of these numbers is 25

What is the INVERSE of f (x) = –2 (x + 1)

Answers

Answer:

the answer is -x/2 -1

if its not then beat me up for that- :^

one-eight a number is two more than one-fourth the number. What is the number?​

Answers

Answer:

40

Step-by-step explanation:

40/4 = 2+40/5 = 10

A soccer team practices 3 times a week. Each practice lasts for 110 minutes. The team practiced for 14 weeks during the season.

Answers

Answer:

i just answerd this on a nother queston from u go look at that

Step-by-step explanation:


[tex] \frac{100}{1000} = {10}^{x} [/tex]

Answers

Exact Form:
X=1/100

Decimal form:
X=0.01

Find the volume of a box with a length of 5 cm, a width of 5 cm, and a height of 10 cm.
V= cm3 ​

Answers

Answer:

250 cm³

Step-by-step explanation:

volume = length x width x height

            = 5 x 5 x 10

            = 250 cm³

Answer:

250cm

Step-by-step explanation:

I got it right on EdG.

Evaluate the equation for the indicated value, f(n)=5n+8 for f(4),

Answers

you would need to put 4 in for (n)so, 5(4)+8 then solve. 5 times 4=20 plus 8 is 28. I hope I could help!

The value of the function f(n)=5n+8 for f(4) will be 28.

What is a function?

A function is defined as the expression that set up the relationship between the dependent variable and independent variable.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

Given function is f(n)=5n+8. The value of the function at equal to 4 will be calculated as below:-

f(n)=5n+8

f(4) = ( 5 x 4 + 8 )

f(4) = 20 + 8

f(4) = 28

Therefore, the value of the function f(n)=5n+8 for f(4) will be 28.

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m BXA = 30° 20', m CXB = 40° 35'
m CXA
°
'

Answers

Answer:

Please make me brain list

Step-by-step explanation:

Giovanni went to Los Angeles, California, for the summer to visit his cousins. He used a map of bus routes to get from the airport to his cousin’s house. The distance from the airport to his cousin’s house is 56 km. On his map, the distance is 4 cm. What is the scale factor?

Answers

I’m pretty sure it’s 14 km. Hope I helped :) Since I did 56 divided by 4 since it will be one cm is 14 km.

An electronics company is changing its internet advertising from a banner advertisement to a pop-up advertisement. The cost of the banner advertisement in dollars is represented by the function C(n) = 0.30n + 5.00 where 'n' is the average number of hits per hour and $5.00 is just a flat-rate cost.


1.) The cost of the pop-up advertisement will double the cost per hit. The equation for this new cost function will be D(n) =


2.) This change does/does not shift the function vertically and/or horizontally.

Answers

Answer:

Kindly check explanation

Step-by-step explanation:

Given that:

Cost function of banner advertisement:

C(n) = 0.30n + 5.00

n = average number of hits per hour

5 = flat rate

From the function, C(n), the cost per hit is the slope value of the function ; which is 0.30

1.) If the cost of pop-up advert will double the cost per hit, the cost function for pop-up advert will be :

D(n) = 2(0.30n) + 5

D(n) = 0.60n + 5.00

B.) This change in cost per hit has resulted in change in slope which is defined as :

[Rise / run = vertical change / horizontal change].

Hence, both vertical and horizontal change has occurred.

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