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Cerrena [4.2K]
3 years ago
7

Solve (9xy+5) (8xy+7)

Mathematics
1 answer:
Maurinko [17]3 years ago
7 0
It’s gonna look like that

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Which is NOT true about a direct proportion?
Nina [5.8K]

Answer:

Because it is acorrding to question answer

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3 years ago
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3. (6 Points). Solve the initial value problem y'-y.cosx=0, y(pi/2)=2e
Stells [14]

Answer:

y=2e^{sin(x)}

Step-by-step explanation:

Given equation can be  re written as

\frac{\mathrm{d} y}{\mathrm{d} x}-ycos(x)=0\\\frac{\mathrm{d} y}{\mathrm{d} x}=ycos(x)\\\\=> \frac{dy}{y}=cox(x)dx\\\\Integrating  \\ \int \frac{dy}{y}=\int cos(x)dx \\\\ln(y)=sin(x)+c............(i)

Now it is given that y(π/2) = 2e

Applying value in (i) we get

ln(2e) = sin(π/2) + c

=> ln(2) + ln(e) = 1+c

=> ln(2) + 1 = 1 + c

=> c = ln(2)

Thus equation (i) becomes

ln(y) = sin(x) + ln(2)

ln(y) - ln(2) = sin(x)

ln(y/2) = sin(x)

y= 2e^{sinx}

7 0
3 years ago
PLEASE HELP!<br><br> Fill in the reason for statement 3 in proof below:<br><br> SAS<br> AA<br> SSS
ivann1987 [24]

Answer:

SAS

Step-by-step explanation:

ΔABD ~ ΔECD is similar through:

S - because ED = CD (Given)

A - same angle ∠D (Statement 2)

S - because AD = BD (Given)

Cheers!

5 0
3 years ago
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Show two different ways to factor −4x −28.
vazorg [7]

Step-by-step explanation:

-4x - 28 = -4(x + 7) or 4(-x - 7)

Topic: Algebraic factorization

If you like to venture further, do check out my insta (learntionary) where I regularly post useful math tips! Thank you!

8 0
3 years ago
Find the gratest common factor of 36 and 90
My name is Ann [436]

Answer:

18

Step-by-step explanation:

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3 years ago
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