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stira [4]
4 years ago
7

Suppose we want to choose 2 objects without replacement from the 4 colors red, blue, green, purple. How many ways can this be do

ne, if the order of the choices matter?
Mathematics
1 answer:
7nadin3 [17]4 years ago
6 0

Answer:

Number of ways = 6

Step-by-step explanation:

Given:

Total number of choices = 4

Taken object choices = 2

Find:

Number of ways

Computation:

Number of ways =  [4 × 3] / 2!

Number of ways = [4 × 3] / [2 × 1]

Number of ways = [12] / [2]

Number of ways = 6

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4 thousands 7 hundreds = 47
liubo4ka [24]
What's the question
4 0
4 years ago
After the fraction x plus 1 all over 2 minus the fraction x plus 2 all over 3 x have been combined using the least common denomi
RoseWind [281]

If I've read this correctly, it looks like this.

\dfrac{(x + 1)}{2 - \dfrac{(x + 2)}{3x}}

If that is correct, then the first step is to put the top part of the denominator over 3x

\dfrac{(x + 1)}{\dfrac{6x - (x + 2)}{3x}} = \dfrac{(x + 1)}{\dfrac{5x -2}{3x}}

The next part is to flip a three tier fraction. I'm afraid I have to show what happens. My latex is not that strong.

What you get is

\dfrac{3x*(x + 1)}{(5x - 2)}

This is just about your final answer. You could write it as

\dfrac{3x^2 + 3x}{(5x - 2)}

6 0
3 years ago
3. Owen’s parents were planning a big birthday party for him.
Marizza181 [45]
Hi there!
a) 2.49*6=$14.94
b)147.90/8.5=17.4 so $17.4 is the hourly rate I believe.
c) 147.90+14.94=162.84  183.53-162.84=20.69
Hope this helps!
3 0
3 years ago
Read 2 more answers
How can I find x if g(x)=16
Degger [83]

Answer:

X is irrelevant, you cant! g(x) is the same as y so y=16.

Step-by-step explanation:


5 0
3 years ago
3. Bob the Builder wants to earn an annual rate of 10% on his investments,
mamaluj [8]

Answer:

He should pay $2,790.7.

Step-by-step explanation:

This is a simple interest problem.

The simple interest formula is given by:

E = P*I*t

In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time, in years.

After t years, the total amount of money is:

T = E + P

In this question:

Rate of 10%, so I = 0.1.

9 months, so t = \frac{9}{12} = 0.75

How much should he pay for a note that will be worth $3,000 in 9 months?

We have to find P for which T = 3000. So

T = E + P

3000 = E + P

E = 3000 - P

Then

E = P*I*t

3000 - P = P*0.1*0.75

1.075P = 3000

P = \frac{3000}{1.075}

P = 2790.7

He should pay $2,790.7.

8 0
3 years ago
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