3 years ago

Which equation represents direct variation? A) y=3x B) yx=3 C)y=3x^2 D) y=3x^3

Mathematics

1 answer:

geniusboy [140]3 years ago

7 0

A) y=3x hope this helps

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Solve triangle ABC

Goshia [24]

That figure obviously doesn't go with this problem. It doesn't matter; this is triangle ABC labeled the usual way.

c = 10, B = 35°, C = 65°

We have two angles and a side. The third angle is obviously

A = 180° - 35°- 65° = 80°

The remaining sides are given by the Law of Sines,

$\dfrac{a}{\sin A}=\dfrac{b}{\sin B}=\dfrac{c}{\sin C}$

$a = \dfrac{c \sin A}{\sin C} = \dfrac{10 \sin 80}{\sin 65} = 10.866$

$b = \dfrac{c \sin B}{\sin C} = \dfrac{10 \sin 35}{\sin 65} = 6.328$

Answer: A=80°, a=10.9, b=6.3, third choice

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3 years ago

The value of 2^3 + 3^3 = ___. Numerical Answers Expected!

blsea [12.9K]

Solve the exponents first:

$2^{3} = 2 \times 2 \times 2 = 8$

$3^{3} = 3 \times 3 \times 3 = 27$

Add the results together:

$8 + 27 = 35$

The answer is 35.

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3 years ago

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V125BC [204]

80 minutes because 8•10=80

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3 years ago

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Graph the equation.<br> y=-3x - 4

musickatia [10]

Step-by-step explanation:

Goes down 4 since it's a negative

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3 years ago

Rewrite to make true: The sequence 8,8,8,8,8, ... is neither arithmetic or geometric.

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Answer:

8,8,-8,-8,8, ... is neither arithmetic nor geometric

Step-by-step explanation:

8,8,-8,-8,8, ...

This sequence is neither arithmetic nor geometric

We could also write

8,8,8,8,8, ... this is geometric since we multiply by 1 each time

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3 years ago