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Kitty [74]
3 years ago
10

(1-x)y"-4xy'+5y=cosx

Mathematics
1 answer:
Pepsi [2]3 years ago
5 0
Y"(1-x) - 4ry' + 5y - cos(x)= 0
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Please answer for me :
Arisa [49]

Answer:

Part A - 2\frac{1}{2} + b = 4\frac{2}{3}

Part B - 2\frac{1}{6}

Step-by-step explanation:

8 0
3 years ago
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What is the property of y • 0 = 0
iragen [17]

Answer: The property of y x 0 = 0 is the Identity property.

Step-by-step explanation:

I hope this is what you were looking for, I apologize if I have been mistaken.

3 0
2 years ago
Math question quadratics
denpristay [2]

Answer: The length and width are 50 and 30 meters (or 30 and 50 meters).

Step-by-step explanation:

To solve this question, we can represent variables for the length and width in two equations.

2l + 2w = 160\\\\l * w= 1500

To solve for one of the variables, you'll have to substitute one of the variables, so solve for one of them:

2l = 160 - 2w\\l = 80 - w

(80-w)*w=1500\\\\-w^2 + 80w - 1500 = 0\\\\w^2 - 80w + 1500 = 0

Now, we have a standard quadratic equation that we can factor. When factoring, you'll get this:

(w-50)(w-30) = 0

This tells us that the width could be either 50 or 30.

Substitute 50 into one of the equations to find the length:

2 (l) + 100 = 160

l = 30.

The length and width are 50 and 30 meters (or 30 and 50 meters).

4 0
3 years ago
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a contractor uses the expression 7(x+3) to find the lenght,in feet,of chain that he needs for a certain project. Part A the cont
Salsk061 [2.6K]
Given that x is the number of chains;

7(4+3) = 7 * 7 = 49 feet
4 0
3 years ago
Find the missing side lengths​
Vlad1618 [11]

Answer:

x=2

y=1.732

Step-by-step explanation:

we use the formulae.....

SOHCAHTOA

where..Cos 60°=1/x

cos60=0.5

0.5=1/1

<u>X</u><u>=</u><u>2</u>

0.8660=y/2

y= 1.732

6 0
2 years ago
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