![jhenderson2024](/avatars/30458.jpg)
jhenderson2024
07.09.2020 •
Mathematics
– 6a3 + 5a3 + 2a2 – a2
Solved
Show answers
More tips
- F Food and Cooking Аэрогриль: Все, что нужно знать для подготовки здоровой и вкусной пищи...
- G Goods and services How to choose a washing machine?...
- F Family and Home Is it Worth Knowing the Gender of Your Child Before Birth?...
- H Health and Medicine Mercury Thermometer Danger: What to do when a thermometer breaks?...
- F Food and Cooking How to cook crayfish? Everything you need to know...
- G Goods and services LED-подсветка в LCD-телевизорах: 5 причин, почему она лучше других технологий...
- P Photography and Videography Understanding HDR: How It Works and Why You Need It...
- G Goods and services Which TV is better - LCD or Plasma?...
- S Sport How to Learn to Pull Up on Monkey Bars?...
- L Leisure and Entertainment Scrapbooking: What is it and Why is it Becoming More Popular?...
Answers on questions: Mathematics
- M Mathematics Need help? Anything can help...
- M Mathematics Fred and Wilma have a booth at the county fair. Fred is selling bowling balls, and has made $129. Wilma is selling bowling shoes for $20 per pair. Write the expression that...
- M Mathematics Answers these two for 5 stars and brainlist and a thanks...
- M Mathematics Pleaseeee help meeee...
- M Mathematics Mario ran 8 2/3 miles in 4/3 of an hour, how far can mario run in one hour...
- M Mathematics We r making directional arrow each arrow is to be pained red how much area needs to be painted red...
- M Mathematics WILL GIVE BRAINLIEST HELP ASAP which equations are true for the values of x, y, and x? select 3 options...
- M Mathematics To tie-dye one T-shirt, 3/8 cups of dye is needed. The table shows the number of cups each color of dye in Mr.Galvez’s art class. How many T-shirts can be made using only...
- M Mathematics Please help I m not really understanding what I need to do....
- M Mathematics PLS HELP ME WITH THIS QUESTION....
Ответ:
-18a+15a+4a-2a
= -3a+2a
= -a
Hope this helps:-)
Ответ:
The answer is the attached figure
Step-by-step explanation:
* Lets revise the equation of the circle
- The center-radius form of the circle equation is
(x – h)² + (y – k)2 = r², where the center is the point (h, k)
and the radius is r.
- This form of the equation is helpful, since you can easily find the
center and the radius.
* Now lets solve the problem
- The equation of the circle is (x + 2)² + (y - 0.5)² = 16
* Lets compare it with form above
∵ (x - h)² = (x + 2)²
∴ -h = 2 ⇒ × -1
∴ h = -2
∵ (y - k)² = (y - 0.5)²
∴ -k = -0.5 ⇒ × -1
∴ k = 0.5
∴ The center of the circle is (-2 , 0.5)
∵ r² = 16 ⇒ take √ for both sides
∴ r = √16 = 4
∴ The radius of the circle is 4 units
* Now lets look to the answer to find the circle whose center is
(-2 , 0.5) and radius 4 units
∴ The answer is the attached figure
* From the graph:
- The center of the circle is (-2 , 0.5)
- The horizontal diameter is between -6 and 2, then the length
of the diameter = 2 - -6 = 8
∵ The radius = 1/2 the diameter
∴ The raduis = 1/2 × 8 = 4 units