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Mrac [35]
3 years ago
15

A classroom fish tank contains x black mollies. The tank contains 8 times as many glowlight a tetras as black mollies. enter an

equation to show the total # of glowlight tetras, y, in the fish tank.
Mathematics
1 answer:
sleet_krkn [62]3 years ago
5 0
8x=y

       ^^^^^Answer
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Leon found the sum 5/6and2/3 to be 11/12. How can you tell that his answer is incorrect without calculating
VARVARA [1.3K]
First , in order to find the answer you need to add the add the numerators which are 5 and 2 = 7 and then you need to find a common denominator.
4 0
3 years ago
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I need all the answers please help me and show me step by step...please...
Daniel [21]

1. No. This is because the system does not go up equally every time. There is no common difference

2. Yes. The common difference is 12 and it goes up by that much every single number.

3. The common difference is <u>3</u>. This is because they all have a common difference and it increases by 3.

4. The common difference is -<u>6</u>. This is because every time the number goes down, it has a common difference of -6. The distance from each ascending or descending number in this pattern is 6, but it descends by default, so it would be negative.

5. The common difference is -<u>10</u>, and the next three terms are <u>-20</u>, <u>-30</u>, and <u>-40</u>. The common difference is -10 because the distance from each ascending or descending number is 10, but it descends by itself versus ascending, making the difference negative. The last three numbers are -20, -30, and -40 because you subtract 10 each time.

6. The common difference is 2 and the last 3 numbers are 92, 90, and 88. I think you get how this goes now.

7. Recursive formula: a1=a2-5 .Explicit formula: <em>f</em>(<em>n</em>)=12-5(<em>n</em>-1) 20th term: -83: I seriously do not want to have to explain this. The recursive formula shows term 1 is equal to term 2 plus the common difference. The explicit formula shows the first term, the common difference, and one less than the number term. The 20th term is me just taking away 5 over and over and over again.

8. recursive formula: a1=a2+3 . Explicit formula: f(n)=1+3(n-1) 32nd term: 94

This was really hard to explain. The recursive formula shows term 1 is equal to term 2 plus the common difference. The explicit formula shows the first term, the common difference, and one less than the number term. The 32nd term is me just adding 3 over and over and over again.

7 0
3 years ago
Factor 64-112w+49w^2
photoshop1234 [79]
49w² -112w + 64
first, you have to find 2 numbers that add up to equal -112, but also multiply together to get a product of 3136 (49 * 64)

two numbers that add to -112 and multiply to equal 3136 is -56 and -56
we can add them into the equation by putting them in for -112x

49w²-56w-56w+64

we now look at what the first 2 numbers have in common and what the last two numbers have in common
49w² and -56w both have w and 7 in common so we can divide 7w
7w(7w -8)
-56w and 64 both have -8 in common so we can divide by -8
-8(7w-8)
now we take the 2 numbers on the outside and bring down the numbers in the brackets

(7w-8)(7w-8)
(7w-8)²

7 0
3 years ago
Anwser each question
Liono4ka [1.6K]
Mmm I don’t think I’m much help
7 0
3 years ago
What is the product of 0.2 and 3.15
olya-2409 [2.1K]
The answer or product is 0.63
6 0
3 years ago
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