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grin007 [14]
3 years ago
10

Which expression is equivalent to the expression below? StartFraction 6 c squared + 3 c Over negative 4 c + 2 EndFraction divide

d by StartFraction 2 c + 1 Over 4 c minus 2 EndFraction StartFraction 3 c (2 c minus 1) Over 2 c + 1 EndFraction StartFraction negative 3 c (2 c + 1) squared Over 4 (2 c minus 1) squared EndFraction 3c –3c
Mathematics
2 answers:
Hunter-Best [27]3 years ago
7 0

Answer:

its D. -3c

Step-by-step explanation:

just took the test

Triss [41]3 years ago
5 0

Answer:

\frac{-3c(2c + 1)}{2(2c - 1)}

Step-by-step explanation:

We want to find the fraction that is equivalent to the fraction below:

<h2>\frac{6c^2 + 3c}{-4c +2}</h2><h2 />

Let us put the fraction above in a simpler form:

We can factorise the numerator with 3c and the denominator with -2.

\frac{3c(2c + 1)}{-2(2c - 1)}\\\\= \frac{-3c(2c + 1)}{2(2c - 1)}

Therefore, we see that \frac{-3c(2c + 1)}{2(2c - 1)} is equivalent to \frac{6c^2 + 3c}{-4c +2}

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3 years ago
Seth solved a quadratic equation. His work is shown below, with Step 3 missing.
Lyrx [107]

Answer:

|x - 1| = 6

Step-by-step explanation:

After step 2, we have that:

(x - 1)^2 = 36

and after step 4, we have the results:

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After step 2, what we can do in step 3 is: use square root in both sides of the equation:

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This equation can be split in two:

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x - 1 = -6 -> x = -5

So Seth could write this equation in step 3:

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3 0
4 years ago
An electronics retailer receives a shipment of 6,000CDs to distribute to its stores. A quality control manager inspects a random
Alex17521 [72]

Answer: 300

Step-by-step explanation:

Given , An electronics retailer receives a shipment of 6,000CDs to distribute to its stores.

i.e, Total CD's he has now = 6,000

Also, a quality control manager inspects a random sample(S) of 40CD's , the number of defective(D) CD's are 2.

Then , the proportion of defective( D) CD's = \dfrac{D}{S}=\dfrac{2}{40}=0.05

Now , the number of CDs in the shipment are likely to be defective = ( Total CD's) x (proportion of defective CD's)

= 6000 x 0.05

=300

Hence, the number of CDs in the shipment are likely to be defective  =300

8 0
3 years ago
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An isosceles right triangle has a hypotenuse of 16mm what would the area of the triangle be
olga2289 [7]

Answer: 64 square mm

Step-by-step explanation:

6 0
2 years ago
The library is to be given 5 books as a gift. the books will be selected from a list of 21 titles. if each book selected must ha
Natali5045456 [20]

This is a combination problem. Order does not matter and the books are all different. You would write this as 21C5 or \tbinom{21}{5}. Combinations are not fractions.

The answer is \frac{21 * 20 * 19 * 18 * 17}{1 * 2 * 3 * 4 * 5}

which = 20349 different ways these books can be chosen.


5 0
3 years ago
Read 2 more answers
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