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3 years ago

Wait a min i searched it up and it '=' to decimals. What does this equal to in fractions?

Mathematics

2 answers:

Art [367]3 years ago

7 0

Answer:

15/11 or 1 and 4/11

Step-by-step explanation:

I like to use the trick "Keep it, change it, flip it." for division of fractons. So keep 6/11 how it is, change the division sign to multiplication, and change 2/5 to 5/2, (Basically just flipping it.) Now multiply like how you would multiply fractions. Multiply numerators , (6 and now 5) by eahother and denominators, (11 and now 2,) by eachother as well. You get 30/22, which simplifies to 15/11. The mixed number version is 1 and 4/11 if you need that instead.

I hope this helps so that you don't have to search it up again!

joja [24]3 years ago

3 0

Answer: 12/55
Because: I did the math

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A student’s work to simplify and combine radicals is shown below. Select the statement which best applies to the sample mathemat

jeka94

Your answer is incorrect. You forgot to get the square root of 25 and 4. Answer should be 16√2

we can only subtract radicals that are the same. At first glance, 4√50 - 2√8 are not the same, so they are not likely to be subtracted. However, each radical can still be simplified.

4 √50 = 4 √25 * 2 = 4 * 5 √2 = 20 √2
2 √8 = 2 √4 * 2 = 2 * 2 √2 = 4 √2

Now that the radicals are the same. then you can subtract the numbers.

20 √2 - 4 √2 = 16√2

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2 years ago

I did the first one but can you help me with the second one plz??

yanalaym [24]

the only like-terms are on the right-hand-side, since the left-hand-side has only 1 term anyway.

$\bf \cfrac{5}{2}s=\cfrac{3}{2}s+s\implies \cfrac{5}{2}s=\cfrac{3}{2}s+\cfrac{s}{1}\implies \cfrac{5}{2}s=\stackrel{\textit{using the LCD of 2}}{\cfrac{(1)3s+(2)s}{2}} \\\\\\ \cfrac{5}{2}s=\cfrac{3s+2s}{2}\implies \cfrac{5}{2}s = \cfrac{5}{2}s$

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2 years ago

How can you check to see if a value of x is a zero of the polynomial

Mila [183]

Answer:

substitute that value for x in the polynomial and see if it evaluates to zero

Step-by-step explanation:

A "zero" of a polynomial is a value of the polynomial's variable that make the expression become zero when it is evaluated. As an almost trivial example, consider the polynomial x-3. The value x = 3 is a zero because substituting that value for x makes the expression evaluate as zero.

3 -3 = 0

___

Evaluating polynomials can be done different ways. Straight substitution for the variable is one way. Using synthetic division by x-a (where "a" is the value of interest) is another way. This latter method is completely equivalent to rewriting the polynomial to Horner form for evaluation.

In the attachment, Horner Form is shown at the bottom.

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3 years ago

in a game the player wins if he rolls a 6 on a number cube if the number cube is rolled 18 times then what is a reasonable predi

Dmitry_Shevchenko [17]

Answer:

There would be 15 unsuccessful rolls

Step-by-step explanation:

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3 years ago

A club swimming pool is 21 ft wide and 33 ft long. the club members want an exposed aggregate border in a strip of uniform width

vovangra [49]

First compute the perimeter of the pool:
(21+33)*2=108 foot.
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232/108=2.1

The trip can be 2.1 ft in wide.

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3 years ago