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svetlana [45]
2 years ago
6

What is -3y(y-8)(2y+1)=0

Mathematics
1 answer:
Marta_Voda [28]2 years ago
7 0

Step-by-step explanation:

(-3y^2+24y)(-6y^2-3y)

open the bracket and collect the like terms

-3y^2-6y^2+24y-3y

-9y^2+21y

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Round 4356.02247592 to the 3 decimal places
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Read 2 more answers
Write a real world problem you could answer by solving the equation -8+60=28
aksik [14]

<em>"Mitchael owes $8 to his bank, so he decides to add $60 in April at a rate of $2 per day. How many days Mitchael needs in order to get $28 in his account?"</em>

<h2>Explanation:</h2><h2 />

Hello! Remember you have to write clear questions in order to get good and exact answers. The given equation doesn't make any sense so I'll assume the correct one is:

-8+60x=28

So let's write a real world problem you could answer by solving the equation:

<em>"Mitchael owes $8 to his bank, so he decides to add $60 in April at a rate of $2 per day. How many days Mitchael needs in order to get $28 in his account?"</em>

So by isolating x (number of months):

x=\frac{28+8}{60} \\ \\ x=0.6 \ month \\ \\ \\ Since \ we \ need \ the \ number \ of \ days: \\ \\ April \ has \ 30 \ days, \ so: \\ \\ x-day=0.6\times 30=18 \ days

So Mitchael would need 18 days in order to get $28 in his account

<h2>Learn more:</h2>

Method for solving system of linear equations: brainly.com/question/10185505

#LearnWithBrainly

6 0
3 years ago
A bookshelf is 3 ½ feet long. Each book on the shelf in ⅝ inches wide. How many books will fit on the shelf?
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Now divide the width of the shelf by the width of the book:

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When dividing by a fraction flip the second fraction over and change division to multiplication:

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Round to the nearest whole number: 67

The shelf will hold 67 books.

8 0
2 years ago
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nekit [7.7K]
The answer is $1.93
0.85 *1.39 = 1.93
6 0
3 years ago
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