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blsea [12.9K]
3 years ago
8

Victoria whit used 578 kw-hr of electricity in December the rate is 9.1 cents per kw-hr find the amount of her electric bill

Mathematics
1 answer:
MatroZZZ [7]3 years ago
3 0

Answer:

The amount of electricity bill is <u>$52.60</u>.

Step-by-step explanation:

Given:

Victoria whit used 578 kwh of electricity.

The rate is 9.1 cents per kw-hr.

Now, to find the amount of her electric bill.

Electricity used = 578 kwh.

Rate of electricity = 9.1 cents per kw-hr.

So, to get the amount we multiply the electricity used by the rate of electricity:

Amount\ of\ electric\ bill=Electricity\ used\times rate\ of\ electricity

Amount\ of\ electric\ bill=578\ kwh\times 9.1\ cents

Amount\ of\ electric\ bill=5259.8\ cents.

Thus, the amount of electricity bill = 5259.8 cents.

Now, converting the amount from cents to $ by dividing:

$1 = 100 cents.

So, 5259.8 cents ÷ 100 = $52.60 .

therefore, the amount of electricity bill is $52.60.

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ASAP PLEASE‼️‼️<br><br><br> What is the area rounded to the nearest 10th
Igoryamba

Answer:

379.56 ft

Step-by-step explanation:

25 squared = 625

diameter of the half circle is 25

Diameter divided by 2 is radius

pi r squared is the formula for area of circle

r=12.5

pi * 12.5 squared

4 0
3 years ago
4. The equation of the line on the graph below is a direct variation equation. What is the constant of variation?
choli [55]

\frac{1}{4} → a

the equation is y = mx ( where m is the slope / constant of variation )

calculate m using the gradient formula

m = ( y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁) = (0, 0 ) and (x₂, y₂ ) = (4, 1) ← 2 points on the line

m = \frac{1-0}{4-0} = \frac{1}{4}


3 0
3 years ago
Three numbers are in an arithmetic progression with a common difference of 6. if 4 is subtracted from the first number, 1 is sub
UkoKoshka [18]

Answer:

  either of {-9.5, -3.5, 2.5} or {7, 13, 19}

Step-by-step explanation:

Let x represent the first number of the arithmetic sequence. Then the second number is x+6, and the third number is x+12. The geometric sequence is then ...

  (x -4), (x +5), 3(x+9)

The common ratio is then ...

  (x +5)/(x -4) = 3(x +9)/(x +5)

Cross-multiplying gives ...

  (x +5)² = 3(x -4)(x +9)

  x² +10x +25 = 3x² +15x -108 . . . . eliminate parentheses

  0 = 2x² +5x -133 . . . . . . . . . . . . . . subtract the left side

  0 = (2x +19)(x -7) . . . . . . . . . . . . . . factor

  x = -9.5 . . or . . 7

The possible original three numbers are ...

  {-9.5, -3.5, 2.5} . .  or . . {7, 13, 19}

8 0
2 years ago
-4k + 2(5k − 6) = −3k – 48
nalin [4]

Answer:

k = -4

Step-by-step explanation:

-4k + 2(5k − 6) = −3k – 48

Distribute on the left side.

-4k + 10k - 12 = -3k - 48

Combine like terms on the left side.

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Add 12 to both sides.

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5 0
2 years ago
Read 2 more answers
Blaire needs more than 708 total points on assignments in her math class to pass. She only has 236 points and needs to do some e
blsea [12.9K]

Answer: D) x = 8


Step-by-step explanation: In order to get this answer, you need to keep the 236 and add 59 evry time until you get 708.

Another thing is to multiply 59 by 8, which will give you 472. Now we add 472 and 236 and we get 708.

59 x 8 = 472 + 236 = 708.

56 + 56 + 56 + 56 + 56 + 56 + 56 + 56 = 472 + 236 = 708.

Hope this helped!

Plz mark brainliest!

6 0
3 years ago
Read 2 more answers
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