Answer:
Yara's answer is incorrect because distance can not be negative.
Step-by-step explanation:
Distance can not be negative
Answer:
The angles are : 30° , 60° , 90°
Step-by-step explanation:
Sum of angles in a triangle = 180°
Given: the angles are in the ratio = 1 : 2 : 3
Sum of the ratio = 6
Therefore , the angles are
Answer:
Step-by-step explanation:
The question requires addition information. Below is how the question should be rightly stated.
------(1)
Using substitution method,
We are given -------(2)
⇒
Differentiating u with respect to x,
Making dx the subject of the equation
---------(3)
Substituting the values of u from equation (2) and dx from equation (3) into equation (1)
substituting the value of u
Answer:
7
Step-by-step explanation:
This operation is identical to subtracting 6 from 13. The correct result is 7.
Answer:
Step-by-step explanation:
The surface area of a sphere (which the earth is considered to be) = 4 pi r^2
pi = 3.14
r = 6340
Area = 4 * 3.14 * 6340 * 6340 = 504856736 square km.
You should either round this to 505,000,000 or express a value in scientific notation.
5.05 * 10^8