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Ne4ueva [31]
2 years ago
15

Which equation could be true ?

Mathematics
1 answer:
s344n2d4d5 [400]2 years ago
4 0

Answer:

first one

Step-by-step explanation:

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Eight students are competing for 1st, 2nd, 3rd, and 4th violin chair in the school’s orchestra. How many different ways can all
Sidana [21]
We are tasked to solve for the number of ways the 8 students be competing for the 1st, 2nd, 3rd, 4th voilin chair in the schools orchestra. The number of ways if can only be filled is though the formula used in number counting, that is

8x7x6x5

Therefore, there are 1680 ways 
5 0
3 years ago
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F(x)=-5x+2 and g(x)=1/2x+4 find f(g(12))
skad [1K]

Answer:

- 48

Step-by-step explanation:

If you want to learn more about this concept, it's called composition of functions.

First, you plug in g(x) as if it were x into f(x).

f(g(x))= -5 (1/2x + 4) + 2

= -5/2x - 20 + 2

= -5/2x - 18

Then, plug in the value given, as x.

= -5/2 (12) - 18

= -30 - 18

= - 48

I hope this helped!

3 0
3 years ago
Find the solution of:
iogann1982 [59]
6 / (x+1) = 1/2
x +1 = 12
x = 11
Answer is d ....(11)
5 0
3 years ago
There are 4 mystery bags and 32 ounces of weights on one side and 60 ounces of weights on the other side. How much gold is in ea
lorasvet [3.4K]

Answer:

do

Step-by-step explanation:

good love you

4 0
3 years ago
A Web music store offers two versions of a popular song. The size of the standard version is 2.4 megabytes (MB). The size of the
Margarita [4]

Answer:

880 high-quality version

Step-by-step explanation:

I think the below is your full question:

<em>A Web music store offers two versions of a popular song. The size of the standard version is 2.1megabytes (MB). The size of the high-quality version is 4.5 MB. Yesterday, there were 1290 downloads of the song, for a total download size of 4821 MB. How many downloads of the high-quality version were there?</em>

Here is my answer:

Let x is the number of high-quality version

So the number of standard version= 1290 - x

We also know:  total download size of 4821 MB. which means:

4.5x + 2.1(1290-x) = 4821

<=> 4.5x+2709-2.1x=4821

<=> 2.4x=2112

<=> x=880

So there were 880 high-quality version

5 0
3 years ago
Read 2 more answers
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