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user100 [1]
3 years ago
13

4. The cost of a long-distance telephone call is $.50 for making the call and $.10 per minute. What is the slope? What does it r

epresent?
Mathematics
2 answers:
ollegr [7]3 years ago
7 0
This situation can be represented by y=.10x+.50
Therefore the slope is .10
This means that for every minute, the caller is charge .10, and the base rate of .50
soldi70 [24.7K]3 years ago
3 0

$$$$$$$$$$$$$$$$$$$$$$$$$$

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balandron [24]

Answer:

y = 2(x + 3)² - 4

Step-by-step explanation:

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y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Using the method of completing the square

y = 2x² + 12x + 14 ← factor out 2 from the first 2 terms

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To complete the square

add/subtract ( half the coefficient of the x- term)² to x² + 6x

y = 2(x² + 2(3)x + 9 - 9 ) + 14

  = 2(x + 3)² - 18 + 14

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4 0
3 years ago
Find the LCM and HCF of 110 and 220 by prime factorization what do you observe....pls answer this ​
ElenaW [278]

Answer: Check if numbers are prime. Composite numbers prime factorization (decomposing, breaking numbers down to prime factors). Inscribe them as a product of prime factors, in exponential notation.

8 0
2 years ago
a winery has a vat with two pipes leading to it. the inlet pipe can fill the vat 7 hours, while the outlet pipe can empty it in
raketka [301]
Lets say, for ease, that the vat can hold a total of 70 gallons (or whatever you would like to use.) Use whatever number you want, I just picked this because it gives us a lot of clean numbers. 

Now, if the inlet can fill it in 7 hours, that means that it is adding 10 gallons per hour. (70 gal/7 hours = 10 gal/hr)

For the outlet, use the same process, and you find that it drains the vat at 7 gallons per hour. 

So, if you subtract the outlet from the inlet, you get 10 - 7 = 3 gallons per hour added. 

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70 gallons / 3 gallons per hour = 23 1/3 hours. 
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Step-by-step explanation:

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frez [133]

Answer:

\sin x + \sqrt{1-\sin^2x}

Step-by-step explanation:

Given: sin x + cos x

To change the given trigonometry expression in term of sine only.

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Expression: \sin x+\cos x

We get rid of cos x from expression and write as sine form.

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Hence, The final expression is only sine function.

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