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dimaraw [331]
3 years ago
10

Will mark brainliest plz help!

Mathematics
1 answer:
Elan Coil [88]3 years ago
4 0

Answer:

56

Step-by-step explanation:

hope it helps

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A repairman charges $55 for a home visit plus $45 per hour for the time he spends making repairs. How many hours did he work if
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3.5

Step-by-step explanation:

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Is it the green?<br><br>Which line has a slope of 2?
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With all the lines, I may be wrong. But I'm confident that line B has a slope of 2.

This is because it rises up 2 up the y axis for every one unit on the x axis.

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The function below models the voltage, in volts, of a certain alternating current after x seconds, where A and b are positive co
Katarina [22]

First of all, we can just ignore A, it has no effect but to vertically stretch our cosine.

If it was only f(x)=cosx, the function would be invertible as long as it's confined between 0 and \pi. Now, the argument of our cosine is not x but bx. It means that it won't stop at \pi, but at \frac{\pi}{b}.

Another way to think about it, "what should i replace x with so I get \pi inside the cosine?"

4 0
3 years ago
Sally's high school played eleven hockey games this year and four were at night.
statuscvo [17]
Answer: They won 9 games
5 0
3 years ago
I NEED HELP!!!!
m_a_m_a [10]

Answer:

Both type of  numbers have a decimal point but the decimal numbers can contain digits other than 0 so you have to worry for these numbers when you're multiplying and the placement of the decimal point in the answer.

A way think about it is sum the total numbers after the decimal point, this work because the numbers can be represented as fractions (explanation below) so If one factor has 2 decimal places and another factor has 1 decimal place the answer have 3 decimal places.

Step-by-step explanation:

A whole can be represented as 2 and so on, while a decimal number is represented as 3.14 when the numbers after the decimal point can be different of 0.

So when you multiply two decimal numbers check the total number of number after the decimal point and sum these amounts.

Where the total number of numbers after the decimal point is equal to the power of 10 in the denominator that's mean equal to 3. However this method takes more time, so is more simply to say that the total of numbers after the decimal point is the sum of the total of numbers after the decimal point of each decimal number.

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