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masha68 [24]
3 years ago
5

The solutions to the equation 2x2+x-1=2

Mathematics
1 answer:
eimsori [14]3 years ago
4 0

Answer: x = ⅗

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A grocery store sells a six pack of bottled water for 3.79 a nine pack or four. 50 and a 12 pack for 6.89 which package cost the
tatiyna
The 6 pack worth 3.79 costs $0.63 cents each bottle. The 9 pack for 4 is worth $0.50 cents the bottle. And the last on is worth $0.57 meaning the 9 pack for 4.50 costs the least per bottle.
7 0
3 years ago
Wich exprecion shows 7+21 written as a product of two factors
Aleks [24]

Answer:

7(1+3)

Step-by-step explanation:

5 0
3 years ago
In the geometric sequence below, what is the common ratio?<br> 80, 40, 20, 10...
Alja [10]
2:1 because it decreases my half which is the same as saying 2/1
4 0
3 years ago
P= (x,y) is an arbitrary point on the circle x^2+y^2=36
sesenic [268]

Let (x,y) be an arbitrary point on the circle.

Then d = √[x-3)2 + (y-0)2] = √[x2 - 6x + 9 + y2]

Since x2 + y2 = 1, y2 = 1-x2.

So, d = √[x2 - 6x + 9 + 1 - x2]

     d = √(-6x+10)

Domain:  x is the x-coordinate of a point on the circle centered at (0,0) with radius 1.  So, -1≤x≤1.

             But, for d to be defined, we need -6x+10 ≥ 0.  So, x ≤ 5/3  (True for all x in [-1,1]).

             Domain = [-1,1]

Range:    -1 ≤ x ≤ 1   So, 6 ≥ -6x ≥ -6

                                    16 ≥ -6x+10 ≥ 4

                                     4 ≥ √(-6x+10) ≥ 2   That is, 2 ≤ d ≤4

              Range:  [2,4]

Step-by-step explanation:

3 0
3 years ago
you are allowed to multiply as many 2's and/or as many 5's as you want. What can be the last didget of your result
Levart [38]

Based on the fact that you are allowed to multiply as many 2's and/ or as many 5's as you want, the last digit of your result can be either a 2, 5 or 0.

<h3>What is the last digit of your result?</h3>

If you multiplied a 5 number with another 5 number, you will either get a 0 as the last digit or a 5 as the last digit:

5 x 5 = 25

5 x 10 = 50

5 x 15 = 75

5 x 25 = 125

If you multiply a 5 with a 2, you result would always end in 0:

5 x 2 = 10

5 x 4 = 20

5 x 6 = 30

If you multiply a 2 with another 2, the result would be a 2:

2 x 2 = 4

2 x 4 = 8

2 x 6 = 12

Find out more on operations involving 5s at brainly.com/question/11977981.

#SPJ1

5 0
2 years ago
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