3 years ago

Find the direction angle of v for the following vector.

Mathematics

1 answer:

Harrizon [31]3 years ago

7 0

Answer:

θ = -36.9° or +323.1°

Step-by-step explanation:

θ = arctan(-6 / 8) = -36.86989...

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Step-by-step explanation:

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3 years ago

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4 years ago

A player shoots a basketball from a height of 6 feet. The equation, h = -16t^2 + 25t + 6, gives the height, h , of the basketbal

noname [10]

Answer:

$\boxed {\boxed {\sf 7.5 \ feet}}$

Step-by-step explanation:

We are given this function for the height (h) after t seconds:

$h=-16t^2+25t+6$

Seconds is t and we want to find the height after 1.5 seconds. Plug 1.5 in for t.

$h= -16(1.5)^2+25(1.5)+6$

Solve according to PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction.

Solve the exponent first.

(1.5)²= 1.5*1.5=2.25

$h= -16(2.25)+25(1.5)+6$

Multiply.

$h= -36+25(1.5)+6$

$h= -36+37.5+6$

Add.

$h=1.5+6=7.5$

This is already rounded to the nearest tenth, so it is the answer.

After 1.5 seconds, the basketball is at a height of 7.5 feet.

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3 years ago

Are 6:24 and 9:45 ratios equivalent

scoundrel [369]

No. If you do 6+1/3 and 24+1/3 it is not equal.

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3 years ago

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I'm assuming that the 1/3 is an exponent.

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3 years ago