sweetbri7p5v6tn
21.07.2019 •
Mathematics
The product of a number (n) and 12 is 64. which equation shows this relationship 12+n=64 64n=12 12n=64 64-n=12
Solved
Show answers
More tips
- H Health and Medicine Impeccable Memory: How to Improve It...
- L Leisure and Entertainment How Many Seasons are There in the TV Show Interns?...
- S Sport When will the Biathlon World Championships 2011 take place in Khanty-Mansiysk? Answers to frequently asked questions...
- H Health and Medicine Trading Semen for Money: Where Can You Sell and Why Would You Want to?...
- F Food and Cooking Homemade French Fries: The Ultimate Guide...
- H Health and Medicine How to Increase Blood Pressure without Medication?...
- S Style and Beauty Choosing a Hair Straightener: Specific Criteria to Consider...
- F Food and Cooking How to Make Polendwitsa at Home?...
- S Science and Technology When do we change our clocks?...
- L Leisure and Entertainment What to Give a Girl on March 8?...
Answers on questions: Mathematics
- M Mathematics ANSWER FAST PLEASE h(1) = -2 h(n) = h(n − 1) +n h(2) =...
- M Mathematics 1. true or false. if q is between s and x, then sq + qx - sx 2. true or false. the bisector of a segment always intersects the segment at its midpoint...
- B Biology Which of the following statements concerning ribosomes is true? A. Several ribosomes are often attached to and translating the same MRNA. B. Ribosomes join amino...
- M Mathematics (model #1) 1 cm=6.25 feet (model #2) 1 cm=1.25 feetabove are two different models of the same rectangular patio. if the area of the model on the left is 4 sq cm,...
- H History Which of the following was NOT an improvement created by King Solomon? He kept the peace with other peoples. The Israelites began to grow rich He conquered the surrounding...
- S Social Studies What are the provisions in a secular Constitution?...
- B Biology Which ocean basin is located on was entirely in the southern hemisphere a. pacific ocean b. indian ocean c. atlantic ocean d. article ocean...
Ответ:
Ответ:
Given:
The equation of a circle is
A tangent line l to the circle touches the circle at point P(1,3).
To find:
The equation of the line l.
Solution:
Slope formula: If a line passes through two points, then the slope of the line is
Endpoints of the radius are O(0,0) and P(1,3). So, the slope of radius is
We know that the radius of a circle is always perpendicular to the tangent at the point of tangency.
Product of slopes of two perpendicular lines is always -1.
Let the slope of tangent line l is m. Then, the product of slopes of line l and radius is -1.
The slope of line l is and it passs through the point P(1,3). So, the equation of line l is
Adding 3 on both sides, we get
Therefore, the equation of line l is .