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IrinaVladis [17]
3 years ago
12

Kena Bought 2 pounds of cheese for 8.00. There are 16 ounces in pound. How much does 16 ounces of cheese cost?

Mathematics
1 answer:
ratelena [41]3 years ago
5 0

Answer:

4 dollars

Step-by-step explanation:

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Solve the rational function of (check image) and check for extraneous solutions
Oxana [17]

Answer:

Option A is correct.

i.e. x = 1, x = 0 is an extraneous solution.

Step-by-step explanation:

Given the expression

\frac{5}{x}=\frac{4x+1}{x^2}

Solving the rational function

\frac{5}{x}=\frac{4x+1}{x^2}

Apply fraction across multiply: if \frac{a}{b}=\frac{c}{d}\mathrm{\:then\:}a\cdot \:d=b\cdot \:c

5x^2=x\left(4x+1\right)

Subtract x(4x+1) from both sides

5x^2-x\left(4x+1\right)=x\left(4x+1\right)-x\left(4x+1\right)

Simplify

5x^2-x\left(4x+1\right)=0

5x² - 4x² - x = 0

x² - x = 0

Factor x² - x = x(x-1)

so

x(x-1) = 0

Using the zero factor principle

if ab=0, then a=0 or b=0 (or both a=0 and b=0)

x=0\quad \mathrm{or}\quad \:x-1=0

Thus, the solution to the equation is:

x=0,\:x=1

But, it is clear that if we substitute x = 0, the equation becomes undefined because we can not have the denominator to be 0.

In other words, the equation is undefined for x = 0

Thus, x = 0 is an extraneous solutions.

Therefore, option A is correct.

i.e. x = 1, x = 0 is an extraneous solution.

5 0
3 years ago
Which is a factor of x2 – 9x + 14?<br> x – 9<br> x – 2<br> x + 5<br> x + 7
bija089 [108]
x^2-9x + 14 = \boxed{\bf{(x-2)(x-7)}}

Your answer is x - 2.
8 0
3 years ago
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This dot plot is symmetric, and the data set has no extreme values. 4 5 6 8 910 Which of these measures is the best measure of v
Shkiper50 [21]

Answer:

Step-by-step explanation:

I think it would be c

6 0
2 years ago
Read 2 more answers
WILL MARK BRAINLIEST.
charle [14.2K]

Answer:

option d

Step-by-step explanation:

The cross section of the rectangular prism is parallel to the base.

So, the length and width is congruent to the base. So, same length and width

3 0
3 years ago
SOMEONE PLEASE HELP ME WITH THE REPRESENTATIVE ION QUESTION I JUST ASKED PLEASE I'LL GIVE BRAINLIEST TO WHOEVER IS RIGHT​
lilavasa [31]

Answer:

Step-by-step explanation:

what question?

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2 years ago
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