3 years ago

3. Solve by completing the square. x^2+8x-9=0 The solutions are x =

2 answers:

6 0

Step 1: Factor left side of equation.
(x - 1)(x + 9) = 0

Step 2: Set factors equal to 0.
x-1=0 or x+9=0
x = 1 or x = -9

The solutions are x = 1 or x = -9

Lelu [443]3 years ago

3 0

Answer:

is it like exponets

Step-by-step explanation:

You might be interested in

it taken 12 days for 10 men assemble a machine how long could it take for 15 men to assemble the machine?

fenix001 [56]

It will take 17 men to assemble a machine

8 0

2 years ago

Please help. Thx!

makvit [3.9K]

Answer:

use G

authmaths

Step-by-step explanation:

4 0

2 years ago

There are

Archy [21]

17 books in total, and 8 new. To find the number of used books, we subtract 8 from 17.

17-8= 9 used books

Now we have 8 new books and 9 used books.

All books: 17
Used books: 9
New books: 8

(a) all books: used books
17: 9

(b) new books: used books
8: 9

7 0

3 years ago

Read 2 more answers

The radius of a circle is 17 in. Find its area in terms of π.

AnnyKZ [126]

A≈907.92in²

Because:

A=πr2=π·172≈907.92028in²

5 0

3 years ago

Read 2 more answers

A lamp shade has a radius of 9 inches. What is the circumference of the top of the shade? Use 3.14 to approximate pi. Round your