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spin [16.1K]
3 years ago
11

Subtract and simplify: 4y/y^2-10y+21-1/y-3

Mathematics
1 answer:
Eva8 [605]3 years ago
3 0
OK...... your answer would be

- 10y^2 - 26y + 1/y
H0P3 It H3LPS :)
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There are a total of 66 students in the
attashe74 [19]

Answer:

A = 26

Step-by-step explanation:

sum of students = classA + classB + classC

let's say classA = A, classB = B, and classC = C

A + B + C = 66

class A has five more students than class B, so A = 5 more than B so A = 5+B

class C has 2 less students than class B, so C = 2 less than class B = B -2, so C = B-2

A + B + C = 66

A = 5+B

C = B-2

substitute 5+B for A and B-2 for C in the first equation to limit this to one variable (B)

(5+B) + B + (B-2) = 66

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subtract 3 from both sides to isolate the variable and its coefficient

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divide both sides by 3 to solve for B
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7 0
1 year ago
Which of the numbers, 3/12 or 2/9, is greater? How do you know?
nata0808 [166]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
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valkas [14]

Answer:

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8 0
3 years ago
A plumber charges $70 per hour plus $40 for the call what does he charge for 4 hours of work
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3 years ago
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Step-by-step explanation:

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3 0
3 years ago
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