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MatroZZZ [7]
3 years ago
8

So i'm having a bit of trouble with the same thing again, sorry for asking this many questions for the same lesson but my moms b

f who passed and was top in his calculus classes didn't even understand it! Shocker huh? anyways here's the question;
y=9x
6x-y=-1
Mathematics
1 answer:
jonny [76]3 years ago
6 0
I'm not sure I understand the question. But if I do understand it, it should be x=1/3 
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horsena [70]

Answer: 43

Step-by-step explanation:

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Solvex2<br> - 4x=21 <br> using the zero product property.
Ierofanga [76]

Answer:

The answer is (x + 3) (x - 7) = 0

Step-by-step explanation:

x² - 4x = 21

x² - 4x - 21 = 0

x² - 7x + 3x - 21 = 0

x(x - 7) + 3(x - 7) = 0

(x + 3) (x - 7) = 0

Thus, The answer is (x + 3) (x - 7) = 0

<em><u>-TheUnknownScientist</u></em>

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3 years ago
What is 2 times 2/6?
Aloiza [94]

Hi there!


I can see why you've posted a question like this here - For adding, subtracting, multiplying, or dividing fractions by whole numbers can be difficult to come out with a precise answer, so let me make it look easier for you!


So, the steps are:


Smush the 2 (whole number) and the 2 (the numerator of the fraction) together on top so its (2)(2) over 6. I can show you what I mean, if you'd like.


\frac{(2)(2)}{6} This is what it should look like.


Now, what is 2 times 2? You can use a calculator for this part.


2 *2 = 4


Now, we can get to the last part, my favorite one!


Simplify \frac{4}{6} down to \frac{2}{3}.


How did we do it? EASY!


See what number does evenly into both numerators and denominators. In this case, 2 goes into 4 twice, and 2 goes into 6 three times, so we're left with our beautiful answer \frac{2}{3}.


That wasn't so bad, was it? You can use this as a guide for figuring out math problems like these, in case you're stuck again. But just in case, message me if you need anymore help! :D

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Give an example of a decreasing logarithmic function that has a positive y-intercept.
Anvisha [2.4K]

Answer: f(x) = -ln(x + 1) + 3

Step-by-step explanation:

We want it to be decreasing, then we can write it, for a start, as:

f(x) = -ln(x)

Ok, now we want it to have a positive y intercept, then we can add a real number inside the logarithm, and other outside: such that f(0) = positive number.

f(x) = -ln(x + 1) + 3

Now, when x = 0 we have:

f(0) = -ln(1) + 3 = 0 + 3 = 3

Then we have a decreasing logarithmic function, with an y-intercept larger than zero.

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