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3 years ago

HELP PLEASE ASAP IF NOT RIGHT ANSWER WILL BE REPORTED!!!

Mathematics

2 answers:

Nata [24]3 years ago

7 0

Answer:

Step-by-step explanation:

This is because -x and positive x would cancel each other out, making 0

Hope this helps!

LuckyWell [14K]3 years ago

5 0

Answer:

a 0 = x + -x

Step-by-step explanation:

variables can be added just like numbers. a number and it's opposite sum to zero.

therefore, x and it's opposite (-x) sum to zero

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What is y = -3(x – 7)(x + 3) in standard form?

xxTIMURxx [149]

Answer:

y=-3x^2+12x+63

Step-by-step explanation:

y=-3(x-7)(x+3)

y=-3(x^2-4x-21)

y=-3x^2+12x+63

4 0

3 years ago

10 gallons of gasoline costs $30. The cost of gasoline per gallon is ________ and gallons of gasoline per dollar are ________.

Blababa [14]

2. if the cost of 10 gallons of gasoline is 30 dollars then divide 10 by 10 and divide 30 by 10 to get 1 and 3 so the cost of 1 gallon is $3

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5. to find the answer to this problem you need to divide 320 by 4 to find out organes per bag so 80 oranges per bag.

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9. to find out the answer for this divide 24,000 by 12 to find that his monthly income is $2,000.

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I hope i got the answers right and that i could help! :)

6 0

2 years ago

Could someone help and explain their answer? (NO LINKS!) Thanks!

Nonamiya [84]

Answer:

Step-by-step explanation:

To find the prime factorization of a number, start by dividing the number by each prime number that you can divide by as many times as possible, starting with the smallest prime number and moving up. Then move on to the next prime number. The last division must give a quotient of 1. Then the prime factorization is the product of all the prime factors you divided the number by.

Here's how you use this method with 180.

Here are the first 10 prime numbers:

2, 3, 5, 7, 11, 13, 17, 19, 23, 29

Start by trying to divide by 2. 180 is divisible by 2.

180/2 = 90 90 is divisible by 2.

90/2 = 45 45 is not divisible by 2, so now try 3.

45/3 = 15 15 is divisible by 3.

15/3 = 5 5 is prime, so it is divisible by 5.

5/5 = 1 The divisors in bold are the prime factors of 180.

180 = 2 × 2 × 3 × 3 × 5

180 = 2² × 3² × 5

Answer: 5

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2 years ago

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What is the correct domain for a log function? A=(-∞,0] B=[0,∞) C=(-∞,0) D=(0,∞)

masha68 [24]

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3 years ago

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Mrrafil [7]

Answer:

4/10 and 10/25

Step-by-step explanation:

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