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Bezzdna [24]
3 years ago
14

Last month Marybeth was charged $112for a 945kWh of electricity. How much did the company charger her per kWh, to the nearest ce

nt
Mathematics
2 answers:
professor190 [17]3 years ago
7 0

Answer:

$0.12

Step-by-step explanation:

We have been given that last month Marybeth was charged $112 for a 945 kWh of electricity. We are asked to find the charges of per kWh.

To find charges of per kWh, we will divide $112 by 945 kWh.

\text{Charges of per kWh of electricity}=\frac{\$112}{\text{945 kWh}}

\text{Charges of per kWh of electricity}=\frac{\$0.1185185}{\text{kWh}}

Upon rounding our answer to nearest hundredth we will get,

\text{Charges of per kWh of electricity}\approx \frac{\$0.12}{\text{kWh}}

Therefore, the company charges $0.12 per kWh of electricity.

Usimov [2.4K]3 years ago
3 0
She was charged 12 cents per kWh
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BARSIC [14]

Sorry, I'm not sure.

I would suggest asking a trusted adult or teacher or redoing the lesson. Cheating isn't a good path: you will not do well in the future if you always search for answers on the internet.

3 0
2 years ago
X=3y+10 x=-8y-12<br><br> can u guys help me find the steps to solve this equations
Natalija [7]

Answer:

x=4, y=-2

Step-by-step explanation:

x = 3y + 10 \\ x =  - 8y -12\\ now \\ 3y  + 10 =  - 8y - 12 \\ 3y + 8y =  - 12 - 10 \\ 11y =  - 22 \\ y =  \frac{ - 22}{11}  \\ y =  - 2 \\ again \: putting \: the \: value \:of \: y \\ x = 3y + 10 \\ x = 3( - 2) + 10 \\ x =  - 6 + 10 \\ x = 4

8 0
2 years ago
Lorenzo and his family were on a road trip. His parents told him that they drove 252 miles during the first 312 hours of the tri
Elis [28]

Answer: 6.19 miles

Step-by-step explanation:

1): First you have to divide 312 by 252 to get the miles per hour.

312 / 252 = 1.23

2): Secondly, multiple 1.23 by 5 hours

5 x 1.23 = 6.19

7 0
3 years ago
Drag each number to the correct location on the table. Each number can be used more than once, but not all numbers will be used.
muminat

Answer:

1. 12x^2-13.4x-11

- Degree: 2

- Number of terms: 3

2. 7x^3+168

 - Degree: 3

- Number of terms: 2

3. 9x^4-9

- Degree: 4

- Number of terms: 2

Step-by-step explanation:

For this exercise you need to remember the multiplication of signs:

(+)(+)=+\\(-)(-)=+\\(-)(+)=-\\(+)(-)=-

1. Given:

(4x + 2.2)(3x - 5)

Apply the Distributive property:

=12x^2+6.6x-20x-11

Add the like terms:

=12x^2-13.4x-11

You can idenfity that:

- Degree: 2

- Number of terms: 3

2. Given:

(-304 +503 - 12) + (7x^3 - 25 + 6)

Add the like terms:

=187 + 7x^3 - 25 + 6=7x^3+168

You can idenfity that:

- Degree: 3

- Number of terms: 2

3. Given:

(3x^2 - 3)(3x^2 + 3)

Apply Distributive property:

=9x^4-9x^2+9x^2-9

Add the like terms:

=9x^4-9

You can idenfity that:

- Degree: 4

- Number of terms: 2

8 0
3 years ago
An officeSupply company is shipping a case of paper to school. There are 10 reams of paper in the case. If each ream of paper aw
Alenkasestr [34]
------------------------------------
Find 10 reams
------------------------------------
1 ream = 32 ounces
10 reams = 32 x 10
10 reams = 320 ounces

------------------------------------
Convert ounce to pound:
------------------------------------
1 ounce = 0.0625
10 ounces = 0.0625 x 10
10 ounces = 0.625 pounds

------------------------------------------------------------------------
Answer: Each case weighs 0.625 pound.
------------------------------------------------------------------------
3 0
3 years ago
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