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Svetach [21]
3 years ago
8

How to rationalize the denominator?​

Mathematics
1 answer:
VMariaS [17]3 years ago
3 0

Step-by-step explanation:

So, in order to rationalize the denominator, we need to get rid of all radicals that are in the denominator.

Step 1: Multiply numerator and denominator by a radical that will get rid of the radical in the denominator. ...

Step 2: Make sure all radicals are simplified. ...

Step 3: Simplify the fraction if needed.

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C) what percentage of the customers purchased between 4 and 12 gallons? (do not include % sign. round numerical value to one dec
Lera25 [3.4K]
From the table associated with this question.

It was seen that 75 customers purchased between 4 and 8 gallons of gasoline while 48 customers purchased between 8 and 12 gallons of gasoline.

The total number of customers who bought gasoline from the gas station on that day is 34 + 75 + 48 + 83 + 118 + 14 = 372

Therefore, the percent of customers that purchased between 4 and 12 gallons of gasoline is given by:

\frac{75+48}{372} \times100\%= \frac{123}{372} \times100\% \\  \\ \approx33.1\%
4 0
3 years ago
Express 20 hours to 3 days as a ratio in simplest form.
stealth61 [152]

Answer: D 5/18

Step-by-step explanation:

days = 72h

20h to 72h is 20/72 which is 5/18 :D

bran-list i am almost expert

7 0
3 years ago
Prove that when x > 1, a triangle with side lengths a = x2 − 1, b = 2x, and c = x2 + 1 is a right triangle. Use the Pythagore
klemol [59]

First we need to see the pythagorean formula which is

a^2 + b^2 = c^2

Substituting the given values of a,b , we will get

(x^2 -1)^2 + (2x)^2

= x^4 +1 -2x^2 +4x^2

= x^4 +1 +2x^2

= (x^2 +1)^2

And

(x^2 +1)^2 = c^2

So we have

a^2 + b ^2 = c^2

So the given triangle is a right triangle .


4 0
3 years ago
For the piecewise function, find the values g(-1), g(2), and g(5). g(x)= x+4, for x≤2 9-x, for x>2​
Lelechka [254]

Answer:

g(-1) = 3, g(2) = 6, g(5) = 4

Step-by-step explanation:

Please refer to attached photo. (Apologies for the terrible handwriting.)

From here we can see,

g(x) = x + 4 applies for values x less than or equal to 2.

g(x) = 9 - x applies for values x more than 2 (which does not include 2.)

g(-1):

Since -1 < 2,

g(-1) = -1 + 4 = 3

g(2) = 2 + 4 = 6

g(5):

Since 5 > 2,

g(5) = 9 - 5 = 4

7 0
2 years ago
BRAINLIEST GODS PLEASE ASSIST!!! Please?! Write the ratio as a fraction in lowest terms, compare in inches. 2 feet to 27 inches.
Nuetrik [128]

Change 2 feet to  inches.

2feet = 24 inches

24/27 = 8/9

<h2><u><em>Answer is 8/9</em></u></h2>
5 0
4 years ago
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