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Deffense [45]
3 years ago
6

What is the lcm of 84, 56

Mathematics
2 answers:
lesantik [10]3 years ago
8 0
The least common multiple for 84 and 56 is 168
Veronika [31]3 years ago
3 0
<span>The Least Common Multiple (LCM) is:   2 x 2 x 2 x 3 x 7 = 168</span>
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Problem page the sum of two numbers is 47 . the larger number is 17 more than the smaller number. what are the numbers?
user100 [1]
Smaller number = X
Larger Number = X + 17

47 = X + (X+17)
47 = 2x + 17
47 - 17 = 2x
30 = 2x
X = 15
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2 years ago
A rectangle has a length of (x+4) feet and a width of (+7) feet. The expression 2(x+4)+2(x+7) represents the perimeter of the re
Marta_Voda [28]

Answer:

(x+4)+(x+4)+(x+7)+(x+7)

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2 years ago
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Y = 2/3x+9, or
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3 years ago
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madam [21]
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2 years ago
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Solve the simultaneous equations<br> x-6y=5<br> xy - 2y2 = 6<br> -<br> Show clear algebraic working.
mojhsa [17]

Answer:

(- 7, - 2 ) , (9.5, 0.75 )

Step-by-step explanation:

Given the equations

x - 6y = 5 ( add 6y to both sides )

x = 5 + 6y → (1)

xy - 2y² = 6 → (2)

Substitute x = 5 + 6y into (2)

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5y + 6y² - 2y² = 6

4y² + 5y = 6 ( subtract 6 from both sides )

4y² + 5y - 6 = 0 ← in standard form

(y + 2)(4y - 3) = 0 ← in factored form

Equate each factor to zero and solve for y

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Substitute these values into (1) for corresponding values of x

y = - 2 : x = 5 + 6(- 2) = 5 - 12 = - 7 ⇒ (- 7, - 2 )

y = 0.75 : x = 5 + 6(0.75) = 5 + 4.5 = 9.5 ⇒ (9.5, 0.75 )

7 0
2 years ago
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