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katen-ka-za [31]
3 years ago
13

Who wants to start a conversation

Mathematics
2 answers:
Marrrta [24]3 years ago
7 0

Answer:

yeah lets go!1

Step-by-step explanation:

laiz [17]3 years ago
6 0

Answer:

i will just give me your snap and we can

Step-by-step explanation:

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PLEASE HELP ME Determine the premiter of the figure . Use 3.14 for PI Round to the nearest tenth. Numbers are 10 in and 15in​
densk [106]

Answer:

5\pi+40

Step-by-step explanation:

perimeter of circle=2\pir

so 5 is r(radius)

so 10\pi, but since it’s semicircle, you have to divide by 2, so

5\pi

perimeter of rectangle=15+10+15 because you don’t count the inside, so that equals 40

so 5\pi+40

3 0
3 years ago
Divide. Write in simplest form.<br> 3/4 divided by 1/8
Kryger [21]

Answer:

when you divide 3/4 by 1/8 you get 6

4 0
3 years ago
Let a and b be non-zero integers
r-ruslan [8.4K]

Answer:

The correct answer is d

Step-by-step explanation:


6 0
3 years ago
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Find a such that the solution of y'' + y' − 2y = 0, y(0) = a, y' (0) = 1 tends to zero as t → +∞.
Kay [80]

Answer:

Step-by-step explanation:

y'' + y' − 2y = 0, y(0) = a, y' (0) = 1

Auxialary equation is

m^2+m-2=0\\m=-2,1

General solution is

y=Ae^{-2x} +Be^x

y(0) = A+B =a

y'(0) = -2Ae^{2x} +Be^x = -2A+B = 1

Eliminate B to get

3A =a-1

We know that y tends to 0 when x tends to infinity for any finite A

i.e. a should be a finite real number.

8 0
3 years ago
A ratio of boys to girls in the classroom is 4 to 5if there are 20 girls in the class how many boys would there be? Explain your
sergey [27]
16 because 5 times 4 = 20 there for you multiply 4 times 4 to get 16
6 0
3 years ago
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