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DiKsa [7]
3 years ago
15

Antoine wants to get a subscription to a local library. There are two libraries, each of which charges a monthly subscription fr

ee plus a fee for each book instead
Mathematics
2 answers:
frozen [14]3 years ago
5 0

Answer:

the first one is B and the second one is A

Step-by-step explanation:

I guessed and I got it right

rusak2 [61]3 years ago
4 0

Answer:

b then a

Step-by-step explanation:

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Write the given second order equation as its equivalent system of first order equations. u′′−5u′−4u=1.5sin(3t),u(1)=1,u′(1)=2.5
lakkis [162]

Answer:

hi your question options is not available but attached to the answer is a complete question with the question options that you seek answer to

Answer:  v = 5v + 4u + 1.5sin(3t),

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Step-by-step explanation:

u" - 5u' - 4u = 1.5sin(3t)        where u'(1) = 2.5   u(1) = 1

v represents the "velocity function"   i.e   v = u'(t)

As v = u'(t)

<em>u' = v</em>

since <em>u' = v </em>

v' = u"

v'  = 5u' + 4u + 1.5sin(3t)   ( given that u" - 5u' - 4u = 1.5sin(3t) )

    = 5v + 4u + 1.5sin(3t)  ( noting that v = u' )

so v' = 5v + 4u + 1.5sin(3t)

d/dt \left[\begin{array}{ccc}u&\\v&\\\end{array}\right]= \left[\begin{array}{ccc}0&1&\\4&5&\\\end{array}\right]  \left[\begin{array}{ccc}u&\\v&\\\end{array}\right] + \left[\begin{array}{ccc}0&\\1.5sin(3t)&\\\end{array}\right]

Given that u(1) = 1 and u'(1) = 2.5

since v = u'

v(1) = 2.5

note: the initial value for the vector valued function is given as

\left[\begin{array}{ccc}u(1)&\\v(1)\\\end{array}\right]  = \left[\begin{array}{ccc}1\\2.5\\\end{array}\right]

7 0
3 years ago
What is 10×10×10+56÷25+50
OleMash [197]
What I would do is break up into part. First do 10*10*10 which is 1,000. Then add 56 and 50 which is 106. after you do that and get 1,106 divded it by 25 which is 42.54. Hope I helped.
8 0
3 years ago
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Which choice is equivalent to the fraction below when x &gt; 1? Hint: Rationalize
Lerok [7]

Answer:

B

pls make this brainiest

6 0
2 years ago
Jason purchased 12 shirts for the members of a school club. Each shirt cost $5.50. Jason
Alex Ar [27]

Answer:

52 dollars and 47 cents, or 52.47

Step-by-step explanation:

First, multiply 12 and 5.50, then you should get 66.00. Then, take the 25% discount, and divide it by a hundred, you should get 0.25, now multiply 0.25 and 66.00. You should get 16.50, thats your discount, so subtract 16.50 from 66.00, you should get 49.50. Now for the sales tax, divide 6.0 by 100, you should get 0.06. Now multiply 0.06 and 49.50, you should get 2.97, thats your tax, add it to 49.50, and you get 52.47 so BOOM, thats your answer, your welcome

5 0
3 years ago
If angle 1 is 70°, what is the measure of angle 3?<br> 7<br> 4<br> 2<br> .<br> 3
KiRa [710]

Answer:2

Step-by-step explanation:

7 0
3 years ago
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