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Gennadij [26K]
3 years ago
6

Please explain . solve the system by elimi ation -x-18y=-3 7x-9y=21

Mathematics
1 answer:
Triss [41]3 years ago
5 0
This is the answer to the question

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Simplify x + 2 + x + 2 + x + 2 + x + 2 + x + 2 + x + 2 + x + 2 + x + 2 + x + 2. Write in simplified form, giving reasons. Someon
Oksanka [162]

easiest thing to do is combine like terms. There are 9 2's, which means 9(2) which equals 18. Now for the X's. There are 9 X's meaning (9)x which is 9x. This all makes up

18+9x

hope this helps

6 0
3 years ago
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Help please help please​
Colt1911 [192]

Answer:

+7 or 7

Step-by-step explanation:

an integer is a whole number. So the question asks what whole number represent this real world situation. A positive charge to an atom can not be represent by a negative number (number below zero). Therefore, it has to be positive.

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The exponentia growth model A=30e^.198026t describes the population by what % is the population of the city increasing each year
Artyom0805 [142]
<span>A=30e^.198026t
= </span><span>30(e^.198026)^t
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approximately 21.90% every year
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8 0
3 years ago
Can someone answer these questions
Finger [1]
23. -7
24. greater. For example, when u subtract -5 from 10, the answer is 15, which is greater than 10
25. the pattern each term is subtracted 5 from it's previous term
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Bob wants to play a game in which each player gets 3 cards. He has a total of 22 cards. How many people can play? How many cards
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Step-by-step explanation:

no. of players = 22/3 = 7 remainder 1

therefore, 7 people can play, and 1 card remaining

3 0
3 years ago
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