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n200080 [17]
4 years ago
12

What operation does the power 1/2 represent? Can you think of operations that other fractional powers represent, such as 1/3, 1/

4 and 2/3?
Mathematics
2 answers:
oee [108]4 years ago
7 0
It represents division

Nataly [62]4 years ago
3 0
X^1/2   represent the square root of x

x^1/3    is the cube root of x

x^2/3  represents the square of the cube root of x

Note:- the power is the numerator of the exponent and the denominator of the exponents is the root
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5. The length of a rectangle is 3 inches less than its width. If the
artcher [175]

Answer:

length is 17 in, width is 20

Step-by-step explanation:

let's shape this as an algebraic equation, where x= the length of one side.

since the width is 3 inches longer than the length, x will be the length and x+3 will be the width.

the perimeter is 74 in, and the perimeter is the added length of all sides. in a rectangle, 2 sides are the length and 2 sides are the width, so:

74 = 2x + 2(x + 3)

let's distribute the 2.

74 = 2x + 2x + 6

now, we combine the x's.

74 = 4x + 6

after this step, subtract 6 from the right to add it to the left side.

68 = 4x

finally, divide both sides by 4.

17 = x

perfect! now that we know the length, we just have to add 3 to find the width.

17 + 3 = 20

5 0
3 years ago
Write 5 to the power of 8 as a quotient of two exponential terms with the same base in four different ways. use negative or zero
ryzh [129]
So, we are given 5^8. It was happy and content. But then... we had to write it as a quotient of two exponential terms with the same base in four different ways and use negative or zero exponents and ahhhhhh!!!

... anyways...

We'll build a quotient of two exponential terms with the same base 5. Something like this:

5^a / 5^b

We need them to make 5^8 when we are done. I'll first use a zero exponent.

[1] Now, zero exponents are nice since they make things equal 1. Like 5^0 = 1. Well, obviously, 5^8 / 1 = 5^8. So, our first quotient can be:

5^8 / 5^0

Done.

[2] Let's try this on its head. This one's a little weird. Remember that negative exponents flip things upside down. So 5^-8 = 1/5^8    and   1/5^-8 = 5^8 for example. In fact... that's the answer!

5^0 / 5^-8 = 5^8

Done.

[3] Let's try to not use 0s or 8s. We can be clever and do something like this:

5^-1 / 5^-9

What the heck is that? Well, we just flip them and get:

5^-1 / 5^-9 = 5^9 / 5^1 = 5^8

Done.

[4] Can you come up with one last trick on your own? Try it!
3 0
4 years ago
What is 0.97,0.947,1.5,1.288 times 100
Natasha2012 [34]
1.97
2.94.7
3.150
4.128.8
5 0
4 years ago
Ashley reads 2 pages/minute for 10 minutes, takes a 10 minute break, and then reads at the same rate for 10 more minutes. Adam r
qaws [65]
~In a total of 30 minutes Ashley has read 40 pages (20 the first 10 minutes and 20 more pages after her break)
~y=1.2x
~y is the total amount of pages Adam read
~x is the amount of time he read
~The function for Ashley should look like this y=2x
~The functions are similar because they both read at a constant rate for a constant amount of time
~The functions are different because Ashley reads 2 pages a minute where as Adam reads more or less (depending on if Adam took a break or not)
~I figure this because even though Adam's pages per minute is less, assuming he doesn't take a break his function (if graphed) could eventually exceed Ashley's.

For Example:
let's say Ashley reads for 10 minutes (2 pages per minute) she takes a 5 minute break and reads for another 10 minutes (also 2 pages a minute)
That would look like this:



3 0
4 years ago
PLZ HELP ME DONT KNOW THE ANSWER
tensa zangetsu [6.8K]

Answer:

33%

Step-by-step explanation:

350 * 100 = 35,000

35,000 / 550 = 63.4

100 - 63 = 37

If I did this wrong I am very sorry. 37 is close to 33. The closest answer would be the first choice (approximately 33%).

6 0
4 years ago
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