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3 years ago

True or False: A millisecond is a millionth of a second.

Mathematics

2 answers:

lesya692 [45]3 years ago

7 0

Answer:

False

Step-by-step explanation:

a millisecond (ms or msec) is one thousandth of a second

Annette [7]3 years ago

6 0

Answer:

False

Explanation:

A millisecond is a thousandth of a second. A millionth of a second is called a microsecond.

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Find the missing side lengths. Leave your answers as radicals in simplest form.

love history [14]

Answer:

B x = 3, y= 3

Step-by-step explanation:

<u />

<u>Trigonometric ratios</u>

$\sf \sin(\theta)=\dfrac{O}{H}\quad\cos(\theta)=\dfrac{A}{H}\quad\tan(\theta)=\dfrac{O}{A}$

where:

$\theta$ is the angle
O is the side opposite the angle
A is the side adjacent the angle
H is the hypotenuse (the side opposite the right angle)

Given:

$\theta$ = 45°
O = $x$
A = $y$
H = $3\sqrt{2}$

$\implies \sin(45^{\circ})=\dfrac{x}{3\sqrt{2}}$

$\implies x=3\sqrt{2}\sin(45^{\circ})$

$\implies x=3\sqrt{2} \cdot \dfrac{\sqrt{2}}{2}$

$\implies x=\dfrac{3\sqrt{2} \sqrt{2}}{2}$

$\implies x=\dfrac{3 \cdot 2}{2}=3$

$\implies \cos(45^{\circ})=\dfrac{y}{3\sqrt{2}}$

$\implies y=3\sqrt{2}\cos(45^{\circ})$

$\implies y=3\sqrt{2} \cdot \dfrac{\sqrt{2}}{2}$

$\implies y=\dfrac{3\sqrt{2} \sqrt{2}}{2}$

$\implies y=\dfrac{3 \cdot 2}{2}=3$

4 0

2 years ago

Find the mean and the median.

SCORPION-xisa [38]

Answer:

The mean is large so

Yeah u add and later divide by how many numbers there are

Median

128 and 129

8 0

3 years ago

What is the surface area of this rectangular prism?

Sloan [31]

Hello!

First of all, let's find the area of the bases. We can see that the base is 8 by 6, or 48. We have this onto the top as well. This gives us 96. We can multiply The area of each side (base,front, side) by two to get the other side. Then we will add.

48(2)=96 (Base)
42(2)=84 (Side)
56(2)=112 (Front)

Now we add all of our numbers up.

96+84+112=292

Therefore, our answer is B) 292 in²

I hope this helps!

6 0

3 years ago

GEOMETRY QUESTION!

KIM [24]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

If s(t)=4^3t, what is s(-1)?

larisa86 [58]

Answer:

Step-by-step explanation:

we can write -1 for;

s(-1)= 4^3(-1)

4^-3 = 1/64

8 0

3 years ago