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gregori [183]
2 years ago
14

Can someone help me

Mathematics
1 answer:
Sever21 [200]2 years ago
4 0
The correct answer is x^2-6x+8
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Solve the equation: 5+n/4=4
Drupady [299]

Answer: n=11

Step-by-step explanation:

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3 years ago
Please help I cannot-
Dmitry [639]

Answer:

1922 m cubed

Step-by-step explanation:

Not gonna do that, I did the work and checked it. Should be right

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in chess, Justin won 20 games, tied 8 games, and lost 14 games last year. What is Justin’s ratio of total games to tied games
zhuklara [117]
Problem: In chess, Justin won 20 games, tied 8 games, and lost 14 games last year. What is Justin’s ratio of total games to tied gamesSolutions:=> There are a total of 20 games=> 8 of them were tied=> 14 games were lost.Now, let's find the ratio of the tied games to the total games.=> Since the total game is 20 and the tied games are 8, therefore the ratio will be:<span>=> 8 : 20, where 8 are the tied games and 20 is the total</span>
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What is the inverse of "f"if f(x)=^3 sqrtx-5
sashaice [31]
<span>y=<span><span>x−5</span><span>−−−−</span>√3

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A and B solve please
ASHA 777 [7]

Answer:

a) $7.27344

b) 263.974 hours

Step-by-step explanation:

a)

+) 1 day = 24 hours

+) The cost for 1000 watts each hour is $0.05051 so that each hour use of 1 watt costs: $0.05051 / 1000 = $0.00005051

+) Each hour, each electric heater uses 1200 watts costs: $0.00005051  x 1200 = $0.060612

=> In 24 hours, to heat each electricity heater costs: $0.060612 x 24 = $1.454688

=> In 24 hours, to heat 5 electricity heaters costs: $1.454688 x 5 = $7.27344

<em>So that it costs $7.27344 to heat her house for 1 day</em>

<em />

b)

As calculated, the cost to use 1 watt in one hour is $0.00005051

=> The cost to use 75 watts in one hour is: $0.00005051 x 72 = $0.00378825

Assume that the hours of using 72 watts to cost $1 is x (hour)

So that: $0.00378825 * x = $1

=> x = 1/ 0.00378825= 263.974 hours

<em>It takes 263.974 hours for a 75-watt lightbulb to stay on to result in $1 electricity charges</em>

<em />

5 0
3 years ago
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