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otez555 [7]
3 years ago
10

R(x)=2√x s(x)=√x (r/s)(3)

Mathematics
2 answers:
anygoal [31]3 years ago
5 0
This is a trick question. First just understand that any number over itself is 1 so \frac{2 \sqrt{x} }{\sqrt{x}} is just 2 *  \frac{ \sqrt{x} }{ \sqrt{x}} = 2 so it is just 2
AveGali [126]3 years ago
4 0

(rs)(4) = 8

(r/s)(3) = 2

hope this helps! :))


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Alfred wants to become a member of an online discussion forum. The website requires him to create a password. The password must
Akimi4 [234]

Answer:

Alfred can create the password in 9,360,000 possible ways

Step-by-step explanation:

Given the data in the questions;

Password of five characters must contain; three letters and 2 digits

[][][][][]

Now, using the five boxes above which as to be filled with three letters and two digits, such that; The first character of the password must be a letter and  repetition of the same letter in the password is not allowed while repetition of digits is allowed.

Now,

we know that there are 26 alphabets in English language, so the first box can be filled in 26 ways { must be a letter }

next four will be filed with two letters and two digits

so two boxes from the four can be chosen in the following ways;

⇒ ⁴C₂ = 4! / ( 2!(4-2)! = 24 / 4 = 6  { ways }

now for each choice, we can fill the chosen two boxes with letters in;

⇒ 25 × 24 = 600 { ways}

and the next two by digits; ( 0, 1, 2, ..... 9)

⇒ 10 × 10 = 100 { ways }

So in total, the possible number of ways he can create a password is;

⇒ 26 × 6 × 600 × 100

= 9,360,000 possible ways

Therefore, Alfred can create the password in 9,360,000 possible ways

8 0
3 years ago
Three cans of Additive are regularly priced at 5 for $2.95. If you buy them at a special sale, you get a factory rebate of $1. W
slamgirl [31]

The regular price is 5 for $2.95. One can is $2.95/5 = $0.59. Three cans are $1.77. With the $1 rebate, the final price would be $0.77 for 3 cans, $0.25 per can.

3 0
3 years ago
James takes two data points from the weight and feed cost data set to calculate a slope, or average rate of change. A hamster we
Lesechka [4]

Answer:

The slope of the line between these two points is 1.50.

Step-by-step explanation:

The general form of the regression line is:

y=mx+c

Here,

<em>y</em> = dependent variable

<em>x</em> = independent variable

<em>m</em> = slope

<em>c</em> = intercept.

The formula to compute slope using two-point method is:

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

In this case the dependent variable is the cost per week to feed and independent variable is the weight of the hamster.

The two points are:

(<em>x</em>₁, <em>y</em>₁) = (3, 3.50)

(<em>x</em>₂, <em>y</em>₂) = (4.8, 6.20)

Compute the slope as follows:

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

    =\frac{6.20-3.50}{4.8-3}

    =\frac{2.7}{1.8}

    =1.50

Thus, the slope of the line between these two points is 1.50.

6 0
2 years ago
How many prime numbers are there between 56 and 100?
atroni [7]
9.

They are: 59, 61, 67, 71, 73, 79, 83, 89 & 97.
6 0
3 years ago
Read 2 more answers
PLEAsE HELP[<br> simplify:<br> (3x^4y^4)(5x^4) / 20xy^2
almond37 [142]

Answer:

\frac{3x^6y^2}{4}

Step-by-step explanation:

\frac{3x^6y^2}{4}

3 0
3 years ago
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