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3 years ago

describe and correct the error a student made finding the intercepts of the graph of the line 4x-6y=12

Mathematics

1 answer:

Kazeer [188]3 years ago

8 0

Answer:

sorry????

Step-by-step explanation:

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3 years ago

If the volume of a cone is 12.56, and the height is 3. What is the radius of the cone? R=

Alina [70]

Answer:

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2 years ago

Which value of a in the exponential function below would cause the function to stretch?

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3 years ago

Read 2 more answers

Answer with the explanation step by step

andrey2020 [161]

Answer:

The answer is A. $\frac{3(x-21)}{(x+7)(x-7)}$ .

Step-by-step explanation:

To find the difference of this problem, start by simplifying the denominator, which will look like $\frac{3}{x+7}-\frac{42}{(x+7)(x-7)}$ . Next, multiply $\frac{3}{x+7}$ by $\frac{x-7}{x-7}$ to create a fraction with a common denominator in order to subtract from $\frac{42}{(x+7)(x-7)}$ . The problem will now look like $\frac{3}{x+7}*\frac{x-7}{x-7}-\frac{42}{(x+7)(x-7)}$ .

Then, simplify the terms in the problem by first multiplying $\frac{3}{x+7}$ and $\frac{x-7}{x-7}$ , which will look like $\frac{3(x-7)}{(x+7)(x-7)}-\frac{42}{(x+7)(x-7)}$ . The next step is to combine the numerators over the common denominator, which will look like $\frac{3(x-7)-42}{(x+7)(x-7)}$ .

Next, simplify the numerator, and to simplify the numerator start by factoring 3 out of $3(x-7)-42$ , which will look like $\frac{3(x-7-14)}{(x+7)(x-7)}$ . Then, subtract 14 from -7, which will look like $\frac{3(x-21)}{(x+7)(x-7)}$ . The final answer will be $\frac{3(x-21)}{(x+7)(x-7)}$ .

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3 years ago

Pls help (have a good day Jesus loves you:) :) .)

murzikaleks [220]

Answer:

4^6

Step-by-step explanation:

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2 years ago