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ycow [4]
4 years ago
5

81.3 x 47.5 = i am lost............

Mathematics
1 answer:
Drupady [299]4 years ago
5 0

Answer:

3861.75

Step-by-step explanation:

i hope its the good answer

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ollegr [7]
5 is the answer
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4 0
3 years ago
Which expressions are equivalent to 1/81? check all that apply.
Tamiku [17]

Answer: here are some examples :

8-1 9^

-2 9^

8/9^

4 9^

8/9^

10 9^

-6 x 9^

3 9^5 x 9^-7

Step-by-step explanation: pls mark branliest

6 0
3 years ago
(secx)dy/dx=e^(y+sinx), please help me solve the differential equation. Thanks :)
nalin [4]
First, you must know these formula  d(e^f(x) = f'(x)e^x dx, e^a+b=e^a.e^b, and d(sinx) = cosxdx, secx = 1/ cosx

(secx)dy/dx=e^(y+sinx), implies  <span>dy/dx=cosx .e^(y+sinx), and then 
</span>dy=cosx .e^(y+sinx).dx, integdy=integ(cosx .e^(y+sinx).dx, equivalent of 
integdy=integ(cosx .e^y.e^sinx)dx, integdy=e^y.integ.(cosx e^sinx)dx, but we know that   d(e^sinx) =cosx e^sinx dx,
so integ.d(e^sinx) =integ.cosx e^sinx dx,
and e^sinx + C=integ.cosx e^sinxdx
 finally, integdy=e^y.integ.(cosx e^sinx)dx=e^2. (e^sinx) +C
the answer is 
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7 0
3 years ago
Read 2 more answers
Centroid: Find AD if HD=24.
astraxan [27]
Centroid is commonly used with a triangle. It is the average of the lines presented in the triangle. So in this situtation the Centroid is 24. the reason is because the line segment is 24, so we do 24/1. The 1 is for how many lines there is, which is one.
4 0
3 years ago
I need help what the value of x and adjacent or vertical?<br>​
GarryVolchara [31]

Answer:

74 degrees

The angles are adjacent, since they have a common side (adjacent basically means right next to each other).

Step-by-step explanation:

180 - 106 = 74

Both angles are supplementary, since they add up to 180 (make a straight line together).

6 0
3 years ago
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