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schepotkina [342]
3 years ago
9

A boy bought 9 new cards to add to his card collection of 25 cards. The next day his dog ate half of his collection. How many ca

rds does he have left?
Mathematics
1 answer:
lora16 [44]3 years ago
4 0
This would equal (9+25)/2

Which could be simplified into 34/2

Which means the answer is 17
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Explanation:

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Multiply by reciprocal
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Find the measure of each side of this triangles. Answer in exact form. ​ Find x and y
Firdavs [7]

Answer:

x = 24/√3

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Step-by-step explanation:

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Next, given sohcahtoa, we can say that

sin(30) = opposite/hypotenuse = y/x

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We want to only have one variable per equation so we can solve for the variable, so we can use

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cos(30) * x = 12, and divide both sides by cos(30) to isolate the x and get

x = 12/cos(30). Next, cos(30) = √3/2, so we have

x = 12/(√3/2)

x = (12/1) / (√3/2)

x = (12/1) * (2/√3)

x = 24/√3

For y, we have

tan(30) = y/12

multiply both sides by 12 to isolate the y and remove the denominator

tan(30) * 12  = y

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√3 * 4 = y

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4 0
3 years ago
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The length and width of the rectangle are: 2x^2y^2 , 3xy^3

<h3>What is the area of the rectangle?</h3>

The area of the rectangle is the product of the length and width of a given rectangle.

The area of the rectangle = length × Width

The area of a rectangle is represented by the expression 6x^3y^5.

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So, the length and width of the rectangle are: 2x^2y^2 , 3xy^3

Learn more about the area;

brainly.com/question/1658516

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