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2 years ago

Factor completely. 3x^2 – 36x + 60

Mathematics

1 answer:

konstantin123 [22]2 years ago

3 0

Answer:

3（x-10) (x-2)

Step-by-step explanation:

3x² - 36x+60

3(x² - 12x+20)

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If x√(1+y) + y√(1+x) = 0 , then dy/dx = ?

frutty [35]

$DIFFERENTIAL \: \: \: CALCULUS \\ \\ \\ Given \: expression \: - \\ \: \\ x \sqrt{1 + y} \: = \: y \sqrt{1 + x} \\ \\ x \sqrt{1 + y} \: = \: - y \sqrt{1 + x} \\ \\ \\ Squaring \: both \: sides \: , \: We \: get \: - \: \\ \\ {x}^{2} (1 + y) = {y}^{2} (1 + x) \\ \\ {x}^{2} + {x}^{2} y - {y}^{2} - x {y}^{2} = 0 \\ \\ ( {x}^{2} - {y}^{2} ) + xy(x - y) = 0 \\ \\ (x - y)(x + y + xy) = 0 \\ \\ Therefore \: , \: either \: \: y=x \: \: or \: \\ \: \: \: \: \: \: \: \: \: \: \: x+y+xy=0 \\ \\ \\ Since \: , \: \: x=y \: \: doesn't \: satisfy \: the \\ given \: function \: , \: we \: reject \: it \\ \\ x + y + xy = 0 \\ \\ y \: \: = \: \: \frac{ - x}{1 + x} \\ \\ \frac{dy}{dx} \: \: = \: - \: \frac{(1 + x) - x.1}{ {(1 + x)}^{2} } \\ \\ \\ \frac{dy}{dx} = \frac{ - 1}{( {1 + x)}^{2} } \: \: \: \: \: \: \: \: \: Ans.$

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3 years ago

What is the best solutionto this equation? x+8= -2 A.-10 B.-6 C.6 D.10

Oksi-84 [34.3K]

Answer:

Step-by-step explanation:

x + 8 = -2

x = -10

the answer is a

4 0

3 years ago

Kelly has saved $35 to take music classes. She must pay a registration fee of $15 and then an additional $5 for each class. Whic

Alex Ar [27]

Answer:

I would think 15c+5= 35 because it is the one answer that makes the most sense. If you get this wrong I am so sorry.

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3 years ago

Read 2 more answers

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olya-2409 [2.1K]

Answer:

Step-by-step explanation:

Rectangular Pyramid

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3 years ago

If a bill totals 123.85 with 5% tax and 18% tip what is the total bill

lianna [129]

Answer:

$152.33

Step-by-step explanation:

123.85 x 0.05 = $6.19

123.85 x 0.18 = $22.29

123.85 + 6.19 + 22.29 = $152.33

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3 years ago