Maggie wants to buy a new energyefficient refrigerator. Her old refrigerator uses about 1200 kWh per year,while the new one would use about 400 kWh per year. Approximately how much money would Maggie saveper year if she buys the new refrigerator?

Answers

Answer 1

Answer:

800 Kwh

Step-by-step explanation:

Answer 2

To solve this problem, we need to find the difference in energy saved and then multiply by the cost of 1kWh of electricity

How much did Maggie save?

Let's first of all calculate the the difference in energy saved

Data;

old refrigerator = 1200kWhnew refrigerator = 400kWh

[tex]1200 - 400 = 800kWh[/tex]

Maggie would've saved 800kWh in one year.

But since we were not given a standard cost of electricity, we would assume that 1kWh will cost $1.

So, to determine how much she must've saved, we simply multiply $1 by 800kWh

[tex]1 * 800 = $800[/tex]

Using our assumptions, she would've saved $800 in one year.

Learn more on rate of power here;

https://brainly.com/question/14878357

#SPJ2

Related Questions

PLEASE HELP ME match the equations at the bottom of the screen to the graph.TYSM

Answers

Answer: It's given in the equations.

Step-by-step explanation:

First One

f(x) = -2^x

Second

f(x) = -4(2)^x

Third

f(x) = 4(2)^x

Fourth

f(x) = 2^x

read the instructions first
then graph
Polya created his famous four-step process for problem solving, which is used all over to aid people in problem solving:
Step 1: Understand the problem.
Step 2: Devise a plan (translate).
Step 3: Carry out the plan (solve).
Step 4: Look back (check and interpret

Answers

Answer:

Step-by-step explanation:

Step 1:

x - > number of Avocado

y -> number of melon

Step 2:

x ≤ 3y

x + y ≥ 20

Step 3:

x + y≥ 20

y ≥ -x + 20

Step 4:

( 1 , 20)

x ≤ 3y ; y≥ -x + 20

1 ≤ 3*20 ; 20 ≥ -1 + 20

1 ≤ 60 ; 20 ≥ 19

I doing vertical angles and I'm way too confused to even understand

Answers

Erotically angles are opposite each other and equal the same degree.

In the image 5x and 120 are vertical angles so 5x needs to equal 120.

X = 120/5

X = 24

Answer:

X=24 degrees.

Step-by-step explanation:

120/5=24. You divide by 5, because the angles will be congruent, and the top angle is 5*_=120. And 5*24=120, so x=24

What is the y-intercept of the following equation? y=2x+5

Answers

5 because y=mx+c or y=mx+b if your american the c is the y intercept

2x+6y=21 and -2x+3y=24 using the elimination method and write as an ordered pair

Answers

Answer:

(-0.5,7.66)

Step-by-step explanation:

2x+6y=21

-2x+3y=24

so 3y=24+2x

reduce

y=(24+2x)/3

substitute for y

2x+6(24+2x/3)=21

2x+(72+12x)/3=21

2x+24+4x=21

6x=-3

x=-0.5

y=(24+-1)/3=7.66

What is the range of : 4,3,3,15,28

Answers

range is biggest-smallest so
28-3
The range is 25

HELP ITS LIKE AN IMPOSIBLE RIDDLE OF CONFUSION AND STRESS AND MADNESS IV BEEN STUCK ON FOR 7 YEARS, I WILL GIVE BRAINLIEST...5 POINTS...A THANKYOU, AND A 5 STARS PLS HELPPPPPPPPPP
what 1 + 1 :P

Answers

Answer:

Step-by-step explanation:

Answer:

The answer is 2

Step-by-step explanation:

1 + 1 is 2

for this graph, mark the statements that are true

Answers

A and b

Hope this helps!!!!!

Brainliest plzzzz

margo has sandwich cut into 1/3 pieces . if she needs to serve 11 people how many whole sandwiches will she need?

Answers

Answer:

she needs 4 and will have 1/3 of a sandwich left

Step-by-step explanation:

Answer:

12 pices remainder 1

Step-by-step explanation:

Because if u split a sandwich in 12 pices u get 1 extra sandwich left over and 12 is good enough for 11 ppl hope I helped

factorise fully 9b-3b2

Answers

Answer:

3b(3-b) is the answer

Step by step explanation : take out the most common factor which is 3b

15 points and brainliest! Solve for x. 7x + 3 = 17

A: x= 2

B: x=7

C: x=20

D: x=27

Answers

Answer:

Its A

Step-by-step explanation:

7x + 3 =17

-3 ( 17 -3 = 14)

7x = 14. (14 divided by 7)

u get x=2

Is 0.7 bigger or 0.75

Answers

Answer: 0.75 Is bigger

Step-by-step explanation:

0.7 is 0.70

meaning 0.75 is bigger.

Answer:

.75 is larger

Step-by-step explanation:

Think about it in terms of whole number. 75 is greater than 70, therefore .75 is greater than .70

There is a hidden 0 after the .7

Round 8265 to the nearest ten?

Answers

8270

Step by step explanation:

PLEASE HELP ASAP

Maria recently hired a plumber to do some necessary work. On the final bill, Maria was charged a total of $473. The amount listed for parts was $335 and the rest of the bill was for labor. If the hourly rate for labor was $46, how many hours of labor was needed to complete the job?

(A) First write an equation you can use to answer this question. Use x as your variable. The equation is __________________

(B) Solve your equation in part (A) to find the number of labor hours needed to do the job. Answer: The number of labor hours was ________________________

Answers

Answer:

A)473 = 335 - 46x

B) 3

Step-by-step explanation:

473 = 335 - 46x

x = the hours of labor needed.

Solve for x

473 = 335 - 46x

subtract 335 from both sides

138 = 46x

divide both sides by 46

3 = x

Answer:

A) [tex]46x+335=473[/tex] B)[tex]x=3[/tex]

Step-by-step explanation:

473 is the total amount, which means it is the end result

335 represents a constant since it is a base price

the hourly rate is a variable, due to the fact that it depends on how many hours he spent working.

variable + constant = total price

[tex]46x+335=473[/tex]

Now to solve this, first subtract [tex]335[/tex] from both sides

[tex]46x=138[/tex]

Next divide both sides by [tex]46[/tex] to isolate the variable

[tex]x= \frac{138}{46}[/tex]

This can be simplified to: [tex]x=3[/tex]

plz mark me brainliest. ;)

HELP (10 points) Match the verbal expression with its algebraic expression.

1.
z + 3

2.
x3

3.
3a

4.
b ÷ 3

5.
y − 3
a.
A variable cubed
b.
Quotient of some number and three
c.
Product of an unknown value and three
d.
Three less than a variable
e.
Three more than some number

Answers

1-e, 2-a,3-c, 4-b, 5-d,

Answer:

1-e, 2-a,3-c, 4-b, 5-d,

Step-by-step explanation:

I took the test

Give the result of 3(x-2).

Answers

Answer:

3x-6

Step-by-step explanation:

3(x-2)

3 multiply both x and -2

3x-6

hope it's helpful ❤❤❤❤

THANK YOU.

Here is a picture of the Ferris wheel has a radius of 40 m how far does the writer travel in one complete rotation around the Ferris wheel

Answers

Answer:

I'm getting points

Step-by-step explanation:

so I can ask questionss

Brianna had a garden Box that is 8' by 12' this summer she decided that it is too big and wants to reduce it by a scale factor of 1/2 find the area of her new garden

Answers

Given:

Brianna had a garden Box that is 8' by 12'.

She decided to reduce it by a scale factor of [tex]\dfrac{1}{2}[/tex].

To find:

The area of her new garden.

Solution:

Let the length and width of the original garden are 8 ft by 12 ft respectively.

Reduce the dimensions by a scale factor of [tex]\dfrac{1}{2}[/tex].

Length of the new garden is

[tex]\dfrac{8\ ft}{2}=4\ ft[/tex]

Width of the new garden is

[tex]\dfrac{12\ ft}{2}=6\ ft[/tex]

Now, the area of the new garden is

[tex]Area=Length\times Width[/tex]

[tex]Area=(4)\times (6)[/tex]

[tex]Area=24[/tex]

Therefore, the area of the new garden is 24 sq. ft.

please help!!! Ill give brainliest

Answers

Answer:

the answer is C

you will calculate the area of the wall and also the window. Then you subtract the area of the window from the wall. the answer is 152 ft square

How long will it take Anna to earn $51.00?

Answers

Answer:

Needs More Information

Step-by-step explanation:

This depends on how much Anna is earning a day. If she is earning a dollar a day, then it would take her 51 days for her to earn this money. Hope this helps! Have a good day :)

Which expression is equivalent to 15x + 3?
A. 15(1x + 1)
B. 5(3x + 1)
C. 3(5x + 1)
D. 2(15x + 3)

Answers

Answer:

Step-by-step explanation:

3(5x + 1) | Given

15x + 3 | Multiply each term on the inside by the number on the outside of the parenthesis (3). This is called distributing.

C.) 3(5x+1)

Explanation: you use the foil method to distribute the 3.

Order the numbers from least to greatest.
0.462; 0.436; 0.435; 0.478

A.0.462; 0.436; 0.435; 0.478

B.0.435; 0.436; 0.462; 0.478

C.0.478; 0.462; 0.436; 0.435

D.0.436; 0.435; 0.462; 0.478

Answers

Answer:

The answer is B. 0.435,0.436,0.462,0.478

Step-by-step explanation:

Round 199,609 to the nearest thousand.

Answers

Answer:

200,000

Step-by-step explanation:

have a good day! ;-)

Answer:

199,609,000

Step-by-step explanation:

Hope this helps!!!

Arturo is driving at a speed of 50 miles per hour. At 2:00 he
sees the following sign.
Applebee
11 miles
Beauville
41 miles
Caanan
62 miles
Denton
98 miles
Arturo continues at the same speed. At 2:30 how far from
Caanan will he be?
A.
12 miles
B.
16 miles
C.
25 miles
D.
26 miles
E.
37 miles

Answers

Answer:

Your answer is 37

Step-by-step explanation:

Caanan is 62 miles away and since he drives at 50 miles per hour, and if it is 2:30 then 30 minutes is half a hour, which means you divide 50 in half by 2 and get 25. After you do that then you subtract 62 and 25 to get your answer 37. Have a good day!!! :)

In a certain town in 90 minutes 1/2 inch of rain falls continues at the same rate for a total of 24 hours which of the following statements are true about the amount of rain in the 24 hour.

Answers

Answer:

A. 16 times of 1/2 inch of rain

Step-by-step explanation:

24 hours = 1440 minutes

90 minutes = 1/2 inch of rain

1440 divided by 90 = 16

16 times of 1/2 inch of rain

5×2 to the power of five

Answers

Answer:

5x2^5 is 160

Step-by-step explanation:

Answer:

160

Step-by-step explanation:

2^5 is 32. 32 x 5 is 260.

Hope it helps!

Slove the following:

Answers

Answer:

let required no be x

[tex] \frac{1}{7} = \frac{x}{42} [/tex]

by doing crisscrossed multiplication

[tex]42 \times 1 = 7 \times x[/tex]

42=7x

dividing both side by 7

[tex] \frac{42}{7} = 7x \div 7[/tex]

6=x

therefore x=6

therefore value of remaining no.is 6

Step-by-step explanation:

solution

here,

let, the required number be x

1/7=x/42

or, 42= 7x

or, x= 42/ 7

therefore, x= 6

hope this helps u...

........................

Answers

Answer:

what do u need help with?

Step-by-step explanation:

Jake buys yards of cloth. He uses yard for a craft project. How much cloth, in yards, does Jake have left?

Answers

Answer:

i think Its 5/8

Step-by-step explanation:

this one is tricky for me at least

I need help *********

Answers

Answer:

Step-by-step explanation:

bc x 2 is 10× 10

so x is 10

I hope this helped

x=10

Take the root of both sides and slove

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Maggie wants to buy a new energy­efficient refrigerator. Her old refrigerator uses about 1200 kWh per year,while the new one would use about 400 kWh per year. Approximately how much money would Maggie saveper year if she buys the new refrigerator?

Answers

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Maggie wants to buy a new energyefficient refrigerator. Her old refrigerator uses about 1200 kWh per year,while the new one would use about 400 kWh per year. Approximately how much money would Maggie saveper year if she buys the new refrigerator?