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zzz [600]
3 years ago
14

The choices are 40, 120, and 100. Can someone please help?

Mathematics
2 answers:
makkiz [27]3 years ago
8 0
Also 120
NML=KLT, KLT=KRP
Phoenix [80]3 years ago
5 0
If I did it right, it is 120
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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
the graph of a line has a slope of -2/3 and a y intercept of (0,2). rewrite the equation in standard for (Ax+By=C) with a positi
sergiy2304 [10]

Answer:

2x + 3y = 6

Step-by-step explanation:

obtain the equation in slope- intercept form

y = mx + c ( m is the slope and c the y-intercept )

here m = - \frac{2}{3} and c = 2

y = - \frac{2}{3} x + 2 ← in slope-intercept form

multiply all terms by 3 to eliminate the fraction

3y = - 2x + 6 ( add 2x to both sides )

2x + 3y = 6 ← in standard form


8 0
3 years ago
Clara simplifies {8b-4r}- {2b-r} and says the result is 6b-5r. What error did Clara make?
Nady [450]
She regrouped the numbers instead of multiplying like 8b(2b-r) -4r(2b-r).

8 0
3 years ago
Read 2 more answers
What is the geometric mean of 3 and 147?
pychu [463]

to find the geometric mean, multiply them together, then take the square root

3*147

441

sqrt(441)

21

The geometric mean is 21

7 0
3 years ago
Read 2 more answers
Help me! i dont know this!
Serjik [45]
Answer: 7

Step-by-step explanation:
C = 9
B = 6
Wherever you see a c, you put a 9. Wherever you see a b, you put a 6. If there is already a number in front of the B, multiply it by 6
7 0
2 years ago
Read 2 more answers
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