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2 years ago

14

Idk what to do here?

2 answers:

creativ13 [48]2 years ago

7 0

1 box =1 foot so you would have to count the boxes away from her

lapo4ka [179]2 years ago

7 0

Answer:

60 something

Step-by-step explanation:

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Cos 4θ − cos 2θ = sin θ

hichkok12 [17]

$cos(4\theta) - cos(2\theta) = sin(\theta)$
$-2sin(\frac{4\theta + 2\theta}{2})sin(\frac{4\theta - 2\theta}{2}) = sin(\theta)$
$-2sin(\frac{6\theta}{2}sin\frac{2\theta}{2}) = sin(\theta)$
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$sin^{-1}[sin(3\theta)] = sin^{-1}(-\frac{1}{2})$
$3\theta = -30$
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2 years ago

How many pounds are in 3/4 of a ton

Mashcka [7]

3/4 tons = 1500 lbs/pounds

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2 years ago

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What is the value of the expression? 56−(18÷34) as a fraction in simplest form

marta [7]

The value of the expression in simplest form is: 55 8/17.

Hope this helps! :D

~PutarPotato

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3 years ago

Please help me solve this as soon as possible.

qaws [65]

Answer:because they are both interscting DUUUUUUUUHHHHHHH

Step-by-step explanation:

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3 years ago

Which is the equation of a parabola with vertex (0, 0), that opens to the left and has a focal width of 12?

sattari [20]

Answer:

$\text{Equation of parabola is }y^2=-12x$

Step-by-step explanation:

We need to find the equation of parabola using given information

Vertex: (0,0)
Open to the left
Focal width = 12

If parabola open left and passes through origin then equation is

$y^2=-4ax$

Focal width = 12

Focal width passes through focus and focus is mid point of focal width.

Focus of above parabola would be (-a,0)

Passing point on parabola (-a,6) and (-a,-6)

Now we put passing point into equation and solve for a

$6^2=-4a(-a)$

$a=\pm 3$

a can't be negative.

Therefore, a=3

Focus: (-3,0)

Equation of parabola:

$y^2=-12x$

Please see the attachment of parabola.

$\text{Thus, Equation of parabola is }y^2=-12x$

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3 years ago

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