MATHEMATICS HIGH SCHOOL

Simplify sin(180-x)°-sin x°

Answers

Answer 1
Answer:

Answer:

0

Step-by-step explanation:

sin(180-x) - sin(x)

= sin(180) × cos(x) - cos(180) × sin(x) - sin(x)

= 0 × cos(x) - (-1) × sin(x) - sin(x)

= 0 + sin(x) - sin(x)

= 0

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2x^2-7x-15

put this function into standard form

Answers

Answer:

It is already in standard form. 2x^2-7x-15 is correct.

Step-by-step explanation:

The standard form of a quadratic equation (which this equation is since there is an x^2 term) is described as ax^2+bx+c=0, where a≠0.

The altitude of an equilateral triangle is 7 root 3 units long. The length of one side of the triangle is ____ units. A. 7
B. 14
C. 14 root 3
D. (7 root 3) /2

Answers

The altitude of an equilateral triangle:
h = s √3 / 2, where s is the length of one side of the triangle.
s √3 /2 = 7 √ 3   / : √3
s / 2 = 7
s = 7 * 2
s = 14 units
Answer:
B ) 14

Answer:

B ) 14

Step-by-step explanation:

The altitude of an equilateral triangle:

h = s √3 / 2, where s is the length of one side of the triangle.

s √3 /2 = 7 √ 3   / : √3

s / 2 = 7

s = 7 * 2

s = 14 units

Which list shows the following numbers in order from greatest to least: -5, 12, 2, -4, 012, -5, -4, 2, 0
12, 2, 0, -4, -5
12, 2, -4, 0, -5
-5, -4, 0, 2, 12

Answers

12, 2, 0, -4, -5
Its like this because of positives and negatives.
Positives would be first since they are greater than negatives.
-4 would be greater than -5 because it is closer to a positive number
I hope I helped you

What is –15 ÷3/5 ?A.
–25
B.
–9
C.
-1/9
D.
-1/25

Answers

 i think the correct answer is a.-25

If two figures are similar, the resulting corresponding angles are always enlarged reduced congruent similar

Answers

If two figures are similar, the resulting corresponding angles are CONGRUENT.

Congruent means exactly equal in size and shape. Congruent angles have the exact same measure. 

Two figures are similar when its corresponding angles have the same exact measure.

the answer is congruent. I just took the quiz and I got it right hope this helps!

What two numbers add up to -15 & can be multiplied to get 56

Answers

-8 and -7, I used guess and check
-8 and -7,because when you add those two numbers,you get -15 because their both negative numbers,and iff you multiply them,they equal 56 because negative times a negative equals a positive.ur welcome!:)
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