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taurus [48]
3 years ago
15

How do I solve this.?

Mathematics
2 answers:
IRISSAK [1]3 years ago
8 0
I think you need to divide up each side with 4 and see what the answer is.
skad [1K]3 years ago
6 0
It is 443 1/3 because you divide it by 3

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There are 12 boys and 15 girls in your class for new students three boys and one girl join your class what is the ratio of the c
Finger [1]
Before the new kids the ratio of girls to boys is 15:12 because there are 15 girls and 12 boys now you can simplify by dividing 15 by 3 and 12 by 3 to get 5:4 as your simplified ratio. As far as after the new kids. Since there is 1 new girl you do 15+1 to get 16 and there are 3 new boys so you do 12+3 to get 15 now 16:15 is already in simplest form so your answer is:

Before: 15:12 simplified as 5:4
After 16:15
6 0
3 years ago
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At the World Cup, 25% of the teams are from South American countries. If there are 40 teams in the World Cup, how many are from
marysya [2.9K]

Answer:

10

Step-by-step explanation:

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Solve the given differential equation by undetermined coefficients. y'' 4y = 7 sin(2x)
kherson [118]

The solution to the given differential equation is yp=−14xcos(2x)

The characteristic equation for this differential equation is:

P(s)=s2+4

The roots of the characteristic equation are:

s=±2i

Therefore, the homogeneous solution is:

yh=c1sin(2x)+c2cos(2x)

Notice that the forcing function has the same angular frequency as the homogeneous solution. In this case, we have resonance. The particular solution will have the form:

yp=Axsin(2x)+Bxcos(2x)

If you take the second derivative of the equation above for  yp , and then substitute that result,  y′′p , along with equation for  yp  above, into the left-hand side of the original differential equation, and then simultaneously solve for the values of A and B that make the left-hand side of the differential equation equal to the forcing function on the right-hand side,  sin(2x) , you will find:

A=0

B=−14

Therefore,

yp=−14xcos(2x)

For more information about differential equation, visit

brainly.com/question/18760518

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2 years ago
Trisha treats a local bakery has a square menu on the wall
olga2289 [7]

Answer:

Is there like a picture or something?

Step-by-step explanation:

4 0
3 years ago
What is an equation for the line with slope 2/3 and y intercept 9
dybincka [34]
Y = 2/3x+9, or
2x-3y=-27
3 0
3 years ago
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