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Elenna [48]
2 years ago
12

What is the reason for each step in the solution of inequality?

Mathematics
1 answer:
Hoochie [10]2 years ago
6 0

Answer:

Hi. im an online tutor and i ca help you with all your assignments . check out our wesite https://toplivewriters.com

Step-by-step explanation:

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6x – 2х + 8у – 6y simplified expression
Sholpan [36]

Answer:

4x+2y

Step-by-step explanation:

5 0
3 years ago
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WILL GIVE EXTRA POINTS<br>Assignment name: identify angles​
NikAS [45]

Answer:

x=21 y=58 z=105 have a great day!!!

Step-by-step explanation:

6 0
3 years ago
In a small chess tournament, 20 matches were played. Find out how many people were involved if it is known that each participant
Nina [5.8K]

Answer:

<em>5</em><em> players participated in the tournament.</em>

Step-by-step explanation:

In a small chess tournament, 20 matches were played.

Let us assume that n number of players participated in the tournament

As in each game 2 players play, so the number of ways they can play is,

=\ ^nC_2

As they played 2 games with every other participant in the tournament.

So the total number of games is,

=\ 2\times ^nC_2

But it is given to be 20, so

\Rightarrow \ 2\times ^nC_2=20

\Rightarrow \ ^nC_2=10

\Rightarrow \dfrac{n!}{2!(n-2)!}=10

\Rightarrow \dfrac{n(n-1)}{2}=10

\Rightarrow {n(n-1)=20

As 5\times 4=20, so we get n=5.

Therefore, 5 players participated in the tournament.

5 0
2 years ago
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Ron is renting a car for 5 days. He can spend $230
sladkih [1.3K]
Sry if i’m wrong but i’m pretty sure he can spend $200 since you alr take out 30.
8 0
3 years ago
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Lori bought some cookies for $2 each and muffins for $3 each. She bought twice as
Lubov Fominskaja [6]

Answer:

2 cookies

Step-by-step explanation:

let c represent cookies, m represent muffins. set up a system of equations:

2c+3m=16

m=2c

(the top equation shows that cookies are $2 each, and muffins are $3, and that the total cost is $16. the bottom equation shows that Lori bought twice as many muffins as cookies).

then solve the system of equations by substitution, substituting 2c for m in the top equation:

2c+3(2c)=16

2c+6c=16

8c=16

c=2

this means that lori bought 2 cookies.

7 0
2 years ago
Read 2 more answers
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