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3 years ago

PLEASE HELP FAST PLEASE AND THANK YOU HELP MY SISTER MEH

Mathematics

1 answer:

Gnoma [55]3 years ago

3 0

The answers are B , D , and F

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Which of the following combined with the equation −9x + 3y = 12 creates a system of linear equations with no solution?

Mumz [18]

Answer:

Step-by-step explanation:

You can't get an exact answer to this because there are no choices.

Add 9x to both sides.

3y = 9x + 12 Divide by 3

3y/3 = 9x/3 + 12/3 Combine

y = 3x + 4

Now to get anything at all that is parallel to this and providing no answer because there is no intersection of the two lines, just change the 4 to something else. Here's one example

y = 3x + 8

As long as the number in front of the x's is the same, they are parallel with no point in common.

8 0

3 years ago

B. Determine the values of a and b so that f is continuous.<br><br> Please help!

wlad13 [49]

Answer:

following are the solution to this question:

Step-by-step explanation:

Please find the complete question in the attached file.

$\lim_{x\to 2}+f(x) = \lim_{x\to 2}+ (ax^2-bx+3) = 4a-2b+3\\\\ \to 4a-2b+3 = 4\\\\ \therefore \ \ 4a-2b = 1\\\\$

The one-sided limits of F(x) at x = 3 must be equivalent for f(x) to be continuous at x = 3.

$\to \lim_{x\to 3}- f(x) = \lim_{x\to 3}- (ax^2-bx+3) = 9a-3b+3\\\\ \to \lim_{x\to 3}+ f(x) = \lim_{x\to 3}+ (2x-a+b) = 6-a+b\\\\$

So,

$\to 9a-3b+3 = 6-a+b\\\\\therefore\\ \to 10a -4b = 3$

$\to 4a - 2b = 1......(a)\\\to 10a - 4b = 3.......(b)\\$

In equation a multiply the by -2 and then add in the equation b:

$\to -8a + 4b = -2\\\to 10a - 4b = 3\\ \to 2a = 1\\\\ \to a = \frac{1}{2}\\\\ \to \ 4(\frac{1}{2}) - 2b = 1\\\\ \to 2 - 2b = 1\\\\ \to -2b = -1\\\\ \to b = \frac{1}{2}$

So, the value of $a \ and \ b= \frac{1}{2}$

4 0

3 years ago

True or False? We can use block conversion from binary to base 64 by grouping the binary digits into blocks of 6 (possibly addin

kakasveta [241]

the answer is true i believe

8 0

3 years ago

How to solve 4y^2+8=2y^2

mamaluj [8]

Answer: see photo for work

Step-by-step explanation:

4 0

3 years ago

I NEED THIS ASAP!!!! The image below shows two dilated figures with lines KO and K’O’ drawn. If the larger figure was dilated us

morpeh [17]

Answer:

K'O' is parallel to KO and its length = 5 * length of KO.

Step-by-step explanation:

The image is missing but I found a very similar problem on Brainly: brainly.com/question/7154536 I think the image is comparable even though it said KL instead of KO.

Assuming that is the case, because the larger figure was dilated using a scale factor of 5, K'O' is parallel to KO and its length = 5 * length of KO.

4 0

3 years ago

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