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ale4655 [162]
2 years ago
11

Given that y varies directly as x², find the percentage increase in y when x doubles.

Mathematics
1 answer:
stepladder [879]2 years ago
6 0

Answer:400%

Step-by-step explanation: by the commutativity of multiplication we find (2x)^2=4(x^2)=4(y)

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7x − 8y = 2 a function
seropon [69]

Answer:

x = 2/7 or 0.285714

Step-by-step explanation:

Your welcome :)

7 0
3 years ago
What are four different fractions that are equal to 1?
Svetllana [295]
5/5
2/2
7/7
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3 years ago
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Find the lateral area of a right circular cone whose radius is 6 feet and height is 8 feet.
Dmitry_Shevchenko [17]

Answer:

we know that

[the lateral area of a right circular cone]=pi*r*l

where

r--------------> the radius of the circle part of the cone

l--------------> the side (slant height) of the cone

r=6 ft

h=8 ft

Step 1

find the slant height of the cone

which is determined by using Pythagoras, since the cross section is a right triangle.

l² = h²+ r²------------> l²=8²+6²-------> l²=64+36---------> l=10 ft

Step 2

find the lateral area

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the answer is 188.4 ft²

7 0
3 years ago
State the commutative property of addition using the variables a and b.
Verdich [7]

Answer:

a+b=b+a

Step-by-step explanation:

so 7+4=12 and 4+7=12 so addition is commutative

7 0
4 years ago
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If <img src="https://tex.z-dn.net/?f=%20%28x%2By%29%5E%7B2%7D%20%20" id="TexFormula1" title=" (x+y)^{2} " alt=" (x+y)^{2} " al
olga_2 [115]

(x + y)^2 = 36


x^2 + 2xy + y^2 = 36


x^2+ y^2 = 36 - 2xy = 36- 2(-7)= 36+14=50


Answer: 50




4 0
3 years ago
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