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Kaylis [27]
2 years ago
12

Utility company charges 12 cents per kilowatt hour of electricity what is the daily cost of keeping a 50 watt bulb on for 12 hou

rs each day
Mathematics
1 answer:
Sergio [31]2 years ago
6 0

Answer: 12 c · 0.6 = 7.2 c

Step-by-step explanation: one kilowatt hour is 1000 W·h

One bulb uses 12 h · 50 W = 600 Wh = 0,6 kWh

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Find the distance between points P(1, 2) and Q(4, 8) to the nearest tenth. i neeeeeed help
Stella [2.4K]
The answer is
the vector PQ has (4-1, 8-2) as components, so it is vecPQ= (3, 6)
using the definition
the distance PQ= sqrt ( 3²+6²)= sqrt(9+36)=sqrt(45)
5 0
2 years ago
A pyramid is placed inside a prism as shown. The pyramid has the same base area, B, as the prism but half the height, h, of the
gayaneshka [121]

Answer: D) V= 1/6 bh

Step-by-step explanation:

Since according to the given question,  A pyramid is placed inside a prism.

And, The pyramid has the same base area, b, as the prism but half the height, h, of the prism.

Therefore, base area of the pyramid = b

Height of the pyramid = h/2

Since, The volume of the pyramid,

V = 1/3 × base ares × height

V= 1/3 × b × h/2

V= 1/6 bh

Thus the required volume = 1/6 bh cube unit.

Therefore Option D is correct.



7 0
2 years ago
C = 0.20m+2.00 what is the charge for 2.7 mile ride?
svetoff [14.1K]
M = number of miles
m = 2.7 is plugged into the equation to get
C = 0.20*m + 2.00
C = 0.20*2.7 + 2.00
C = 0.54 + 2.00
C = 2.54
The cost is $2.54
3 0
3 years ago
If |x|+10=1, then what does x equal
Pie

Answer; there is literally no solution. it has to be a negative number.

6 0
3 years ago
Read 2 more answers
Factor completely, then place the answer in the proper location on the grid. <br> 6х^2 - 3х - 30
Tems11 [23]

Answer:

3(x + 2)(2x - 5)

Step-by-step explanation:

Given

6x² - 3x - 30 ← factor out 3 from each term

= 3(2x² - x - 10) ← factor the quadratic

Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term

product = 2 × - 10 = - 20 and sum = - 1

The factors are + 4 and - 5

Use these factors to split the x- term

2x² + 4x - 5x - 10 ( factor the first/second and third/fourth terms )

= 2x(x + 2) - 5(x + 2) ← factor out (x + 2) from each term

= (x + 2)(2x - 5), thus

2x² - x - 10 = (x + 2)(2x - 5) and

6x² - 3x - 30

= 3(x + 2)(2x - 5) ← in factored form

7 0
3 years ago
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