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loris [4]
3 years ago
10

Is 1/3x-2y=7 a linear function

Mathematics
1 answer:
Ann [662]3 years ago
5 0

Answer:

The equation is not a linear function.

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Linda had dinner at a restaurant for $56 and leaves behind a tip of 18%. What is the tip amount?
Alex_Xolod [135]

Answer:

=  \frac{18}{100}  \times 56 \\  = 10.08 \: dollars

3 0
2 years ago
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What expression is this equivalent to -4x^2 + 2x - 5(1 + x)
BabaBlast [244]

Answer:

-4x^2 -3x - 5

Step-by-step explanation:

-4x^2 + 2x - 5(1 + x)

Distribute

-4x^2 + 2x - 5 -5x

Combine like terms

-4x^2 -3x - 5

4 0
3 years ago
Pls help
KATRIN_1 [288]

Answer:

169.04 in² (nearest hundredth)

Step-by-step explanation:

Surface area of a cone = \pir² + \pirl

(where r = radius of the base and l = slant height)

Given slant height l = 10 and surface area = 188.5

Surface area  = \pir² + \pirl

188.5 = \pir² + 10\pir

\pir² + 10\pir - 188.5 = 0

r = \frac{-10\pi +\sqrt{(10\pi )^2-(4\times\pi \times-188.5)} }{2\pi } = 4.219621117...

Volume of a cone = (1/3)\pir²h

(where r = radius of the base and h = height)

We need to find an expression for h in terms of l using Pythagoras' Theorem a² + b² = c², where a = radius, b = height and c = slant height

r² + h² = l²

h² = l² - r²

h = √(l² - r²)

Therefore, substituting found expression for h:

volume of a cone = (1/3)\pir²√(l² - r²)

Given slant height l = 10 and r = 4.219621117...

volume = 169.0431969... = 169.04 in² (nearest hundredth)

5 0
2 years ago
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What is the quotient of 83.3 and 24.5
Svetradugi [14.3K]

Answer:

3.4

Step-by-step explanation:

83.3 divided by 24.5= 3.4

5 0
3 years ago
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If Pablo invest $4,200 for 3 years and earn $630 what is the simple interest rate
Mariana [72]
The interest rate would be 5%
6 0
3 years ago
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