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Zolol [24]
2 years ago
12

Guys help me we want to hit 325 subs on yt!!!!!

Mathematics
2 answers:
Irina18 [472]2 years ago
7 0

Answer:

362880 and yes i did :)

Step-by-step explanation:

maria [59]2 years ago
6 0

Answer:

72576

is the answer

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Amy has four more 20c coins than 5c coins. The total value of all her 20c and 5c is $3.80. How many 5c coins does Amy have?
skelet666 [1.2K]

Answer:

Amy has 12 5¢ coins

Step-by-step explanation:

Let <em>x</em> represent 20¢ coins and <em>y</em> represent 5¢ coins.

Amy has four more 20¢ coins than 5¢ coins. Hence:

x=y+4

And the total value of all her coins is $3.80. Thus:

0.2x+0.05y=3.8

This yields a system of equations:

\displaystyle \begin{cases} x=y+4 \\ 0.2x+0.05y=3.8\end{cases}

We can solve by substitution. Substitute the first equation into the first:

\displaystyle 0.2(y+4)+0.05y=3.8

Distribute:

\displaystyle 0.2y+0.8+0.05y=3.8

Combine like terms:

\displaystyle 0.25y = 3

And divide both sides by 0.25. Hence:

y=12

Thus, Amy has 12 5¢ coins.

Using the first equation:

x=y+4

Substitute:

x=(12)+4=16

Thus, Amy has 16 20¢ coins.

In conclusion, Amy has 12 5¢ coins and 16 20¢ coins.

6 0
3 years ago
For a confidence level of 85%, find the critical value for a normally distributed variable. The sample mean is normally distribu
const2013 [10]

Answer:

The  value is  Z_{\alpha } =  1.439

Step-by-step explanation:

From the question we are told that

   The  confidence level is  C  =  85%  

Generally the level of significance is mathematically represented as

         \alpha =  (100 -  85 )\%

        \alpha =  0.15

Now from the normal distribution table  the critical value  of \alpha is  

     Z_{\alpha } =  1.439

7 0
3 years ago
Some1 help me this due tomorrow and in stressing out
Olenka [21]

Answer:

Step-by-step explanation:

So, as shown in the picture below, you first have to find the line y = -1. Then that’s what your going to reflect. Imagine that your making a print of it, that’s how you will reflect it. Imagine taking a piece of paper with that triangle on it and folding it along that line I drew in my picture (at y=-1). Hope that helped!

5 0
3 years ago
Write the equation which represents the following transformations
Lady_Fox [76]

Answer:

1234588765

Step-by-step explanation:

5 0
3 years ago
Just # 16<br><br>idk what it's "counting" by
zysi [14]
For #16, every input by +1 has an output of +7.

9 + 7 = 16
16 + 7 = 23
23 + 7 = 30.....
3 0
3 years ago
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