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2 years ago

The graph shows the function

Mathematics

1 answer:

Ostrovityanka [42]2 years ago

3 0

Answer: y=sin(x)-6

Step-by-step explanation: I guessed and got it right lol

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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

Solve for x 5x - 10 = -10

Zigmanuir [339]

Answer:

the answer is x = 0

Step-by-step explanation:

Cancel equal terms on both sides of the equation:

$5x = 0$

Divide both side of the equation by 5.

$x = 0$

Therefore, the answer is x = 0

3 0

3 years ago

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Alexndra earns $125 from her paper route each month but she spends about $20 each month on personal expenses.To pay for a school

Andrei [34K]

It would take Alexandria 8 months to earn the money.

125-20= 105 monthly earnings after personal expenses
800/105= 7.6 which rounds to 8.

8x105= 840

8 0

3 years ago

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Please help with the question above :)!!! ^^

zhannawk [14.2K]

(-1,-9) because if we substituted 1 into x y would be 9 and if we substituted 1/2 into x y would be 3 but if we substituted -1 into x y would be 1/9 so therefore that value is incorrect

7 0

3 years ago

C) Which of these numbers is a square number?

-BARSIC- [3]

Answer:

A is the correct answer

3 0

3 years ago

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