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vladimir2022 [97]
3 years ago
14

True or False? Explain your answer. Because sin(−t) = − sin t, it can be said that the sine of a negative angle is a negative nu

mber.
Mathematics
1 answer:
MatroZZZ [7]3 years ago
8 0
We have that
<span>sin(−t) = − sin t
</span>If the negative angle ends up being in the first or second quadrant then the sine of a negative angle is not <span>necessarily </span>a negative number

<span>for example
</span>for t=-210°----------> the angle belong to the second quadrant
sin (-210°)=1/2--------> is not a negative number
so

the answer is
False

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ICE Princess25 [194]

The LCM of the given numbers have been determined.

<h3>What is LCM ?</h3>

LCM stands for Least Common Multiple .

For two numbers , LCM is the number that is the smallest number of which they both are a factor.

It is asked to determine

LCM of 6 and 9

6 = { 6 , 12 , 18 , 24 , 30 , 36 , 42 .....}

9 = { 9 , 18 ,27 .....}

The LCM of 6 , 9 is 18

LCM of 8 and 12

8 = { 8,16,24,32....}

12 = {12 , 24 ,36....}

The LCM of 8 and 12 is 24

LCM of 4 , 6 and 8

4 = {4 , 8 , 12 , 16 , 20,24,28 ....}

6 = { 6 ,12 ,18,24......}

8 = {8 , 16,24 .....}

The LCM of 4,6 and 8  is 24

The LCM of 6 and 15 is 30  

The LCM of 20 and 30 is  60

The LCM of 25,30 and 75 is 150

The image of the solution is attached .

To know more about LCM

brainly.com/question/20739723

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6 0
2 years ago
Which are true statements
vredina [299]

Answer:

I think its A & B

Two Squares with the same side lengths are always congruent and Two rectangles with the same side lengths are always congruent.

6 0
3 years ago
Please help me ): I'm in desperate need of help I'm still in Middle School and I'm so confused I don't want to get a bad grade )
lutik1710 [3]

Answer:

you can use either or for the last one

8 0
3 years ago
Read 2 more answers
The decimal form of a fraction is called a what​
Yuri [45]

Answer:

Hello Adam here!

Step-by-step explanation:

The numbers that are represented by decimal numerals are the decimal fractions (sometimes called decimal numbers), that is, the rational numbers that may be expressed as a fraction whose denominator is a power of ten.

Hope This Helps From, Adam :)

7 0
3 years ago
Someone help. (Find the area of a rectangle with a lenght of 5a^2 b^4 and a width of (3ab^3)^2
Dmitry_Shevchenko [17]

Answer:

All you do is just multiply them.

Step-by-step explanation:

5a^2 b^4(3ab^3)^2=

45(a^(4))(b^(10))

3 0
3 years ago
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