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ICE Princess25 [194]
3 years ago
10

Factor this polynomial completely.

Mathematics
1 answer:
Yakvenalex [24]3 years ago
5 0
C.
Foil method reverses factor
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Help me please ! (: (6th grade)
mihalych1998 [28]

Answer:

$64.99

Step-by-step explanation:

A total of $584.91 was spent among 9 people (Caleb + 8 friends), thus we can find the amount per person. 584.91  \text{ dollars}/9\text{ people} = 64.99 \text{ dollars}/\text{person}

7 0
3 years ago
The perimeter of a square newspaper ad is 40 centimeters. How long is each side?
Katyanochek1 [597]
The answer is:  "10 cm" .
____________________________________
Method 1)
____________________________________________
2L + 2w = 40 ;  Since the formula for perimeter of a rectangle (Note: a square is a rectangle) is:

                         P = 2L + 2w ;  Note:  L = length; w = width; P = perimeter;
______________________________________________________
 Factor out a "2":
_________________
" 2L + 2w = 40" ;

2 (L+ w) = 40;

Divide each side of the question by "2" ;
____________________________________
         [2 (L + w)] / 2  = 40 / 2 ;
____________________________________
 to get:  (L + w) = 20 ;

Note:  this "rectangle is a square" ; so L= w".
__________________
20 /2 = 10 ;

L + w = 10 + 10 = 20.

This is a square, so each side of the square is the same length.

Each side is:  10 cm .
______________________________________________
Method 2)
______________________________________________

We are given: The perimeter (sum of the lengths of all sides) of a square is "40 cm."  Since a square has 4 sides of equal length:
     Each side is:  40 cm / 4 = 10 cm.
______________________________________________
6 0
3 years ago
Use a calculator to find the square root to the nearest hundredth. Negative the square root of 203. will give brainliest
Goryan [66]
<span>14.25 is your answer. Pulled from google calculator.</span>
6 0
2 years ago
What is -3x-3y=3 y=-5x-17 for substitution please show steps
Snowcat [4.5K]
Take -5x + 3x = -2x

because there is a -3x and a 3x they cancel each other out.

and the -17 is left

-2x = -17

divide -2 by -17 = 8.5
5 0
3 years ago
Read 2 more answers
In the diagram, line x is parallel to line y,m21= 65°, and m27 = 55°. Stuart says that m212 = 60°. His reasoning is shown. Step
Artist 52 [7]

the second one I try so I hope that helps

5 0
3 years ago
Read 2 more answers
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