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3 years ago

HELP THIS IS DUE IN 15 MINUTE AND I DONT KNOW HOW TO SOLVW IT

Mathematics

1 answer:

geniusboy [140]3 years ago

6 0

Answer:

infinity

Step-by-step explanation:

they are the same line on a graph so they have infinty solutions

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Lee watches TV for 2 hours per day. During that time, the TV consumes 250 watts per hour. Electricity costs (10 cents)/(1 kilowa

vladimir1956 [14]

Answer:

$1.5

Step-by-step explanation:

Lets us first calculate energy consumed by TV in 30 days.

Energy consumed by TV in one hour : 250 watts.

TV operated 2 hours a day

so energy consumer by TV in a day = 250 * 2 watts = 500 watts hour

Energy consumed by TV in 30 day = energy consumer by TV in a day * 30

= 500*30 watts = 15,000 watt-hour

Convert total energy consumed in kilo watt hour

we know that one kilowatt hour = 1000 watt-hour

Thus, 15,000 watt-hour = 15,000/1000 kilowatt-hour = 15 kilowatt-hour

________________________________

cost of electricity = 10 cents per kilowatt-hour

cost of electricity for 15 kilowatt-hour = 15* cost of electricity for one kilowatt-hour( which is 10 cents)

=>15*10 = 150 cents

As $1 = 100 cents

hence 150 cents = $150/100 = $1.5 .

Thus, it cost $1.5 to to operate for a month of 30 days.

6 0

3 years ago

Please please PLEASE HELP I NEED IT RNNNNNN

hichkok12 [17]

Answer:

-2 is the answer

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Joe works for a charity. Each year the charity gives money to different projects. The charity has a total of eight thousand nine

baherus [9]

Answer:

$Each =\pounds 1121$

Step-by-step explanation:

See comment for complete question.

Given

$Total = \pounds 8968$

$Projects = 8$

Required

Determine the amount allotted to each

From the question, we understand that each project gets each allocation.

So, the amount of each is:

$Each =\frac{Total}{Projects}$

$Each =\frac{\pounds 8968}{8}$

$Each =\pounds 1121$

<em>Each project gets £1121</em>

7 0

3 years ago

When P = 2l + 2w is solved for w, the result is:?

Aleks04 [339]

Answer:

$\frac{p-2l}{2}$

Step-by-step explanation:

move the 2l to the other side by subtracting 2l on both sides. you get P - 2l = 2w. now divide both sides by 2 to get the answer.

6 0

3 years ago

HELP PLEASE determine the number of real number solutions for the equation x^2+6x+9=0

brilliants [131]

Answer:

1 Answer->3

Step-by-step explanation:

To factor this out find the factors of 9 which add up to 6.

3 and 3 work therefore factor it out to

(x+3)(x+3)=0

Using Zero product property x is equal to -3

And there is only one answer which is 3

6 0

2 years ago