MATHEMATICS HIGH SCHOOL

Evaluate [3(5 + 6) + 2] ÷ 7

Answers

Answer 1

Answer: [3(5 + 6) + 2] ÷ 7= 35/7

35/7=5

Answer 2

Answer:

Answer:

Step-by-step explanation:

[3(5 + 6) + 2] ÷ 7

(5 + 6) = 11

[3(11) + 2] ÷ 7

3 x 11 = 33

[33 + 2] = 35

[35] ÷ 7 = 5

Thus the answer, 5

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How do you convert sin into cos, and vice versa.. Promblem: cos(6x) = sin(3x-9)

Answers

The rule for converting sin into cos and vice versa is:
sin α = cos ( 90° - α ) or cos α = sin ( 90° - α )
In this case:
cos ( 6 x ) = sin ( 90° - 6 x )
sin ( 90° - 6 x ) = sin ( 3 x - 9°)
90° - 6 x = 3 x - 9°
90° + 9° = 3 x + 6 x
99° = 9 x
x = 99° : 9 = 11°
Answer: C ) x = 11°

The difference between longitude and altitude

Answers

Hello there,

The difference are Longitude (shown as a vertical line) is the angular distance, in degrees, minutes, and seconds, of a point east or west of the Prime (Greenwich) Meridian. Lines of longitude are often referred to as meridians.

And altitude is the height of an object or point in relation to sea level or ground level , great height

What is f=kry, for y

Answers

f = kry

f/kr = y

y = f/kr

Answer: y = f/kr

*Hope that helps and enjoy Brainly:)

Correct answer will be marked as brainliest

Answers

Answer:

h=9cm

P=(x+5)cm

b=(x-3)cm

by the Pythagoras theorem,

h^2=p^2+b^2

9^2=(x+5)^2+(x-3)^2

81=x^2+10x+25+x^2-6x+9

81=2x^2+4x+34

What is the relationship between the sine and cosine of complementary angles? Please give an example to support your answer.

Answers

The sine of any acute angle is equal to the cosine of its complement. Meanwhile, the cosine of any acute angle is equal to the sine of its complement. Sine and cosines are called "cofunctions".

Use the linear equation to answer the question
y=2/3x-3
y=-3/2x+2