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Sati [7]
2 years ago
10

Name the property. a + b is a real number.*

Mathematics
2 answers:
Eduardwww [97]2 years ago
8 0

Answer:

a + b = b + a   \: \forall \: a,  \: b  \in \:   \R \ \\ a \times b = b \times a\: \forall \: a,  \: b  \in \:   \R \\ (a + b) + c = (b + c) + a\: \forall \: a,  \: b,  \: c,  \in \R \\ (a \times b) \times c = (b \times c) \times a \: \forall \: a,  \: b,  \: c,  \in \R \\a+0=0+a=0 \: \forall \: a,\in \:   \R \\a +b=c\: \forall \: a,  \: b,  \: c,  \in \R

Sati [7]2 years ago
4 0

Answer:

Closure Property of Addition

Step-by-step explanation:

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2x+3y=15 x+y=6 find values for x and y
MatroZZZ [7]

Answer:

  (x, y) = (3, 3)

Step-by-step explanation:

Subtract double the second equation from the first.

  (2x +3y) -2(x +y) = (15) -2(6)

  y = 3 . . . . . . . . simplify

Use the second equation to find x.

  x = 6 -y = 6 -3 = 3

The values of x and y are both 3.

8 0
2 years ago
Distribute to create an equivalent
seraphim [82]

Answer:

6 - 16y

Step-by-step explanation:

2(3 – 8y) = 2 × 3 - 2 × 8y = 6 - 16y

7 0
1 year ago
Cengage Homework Trig/Pre-calc
iVinArrow [24]

Based on the populations of the town from 2000 to 2008, the average rate of change of the population between 2002 and 2004 is -6.1%

The average rate of change between 2002 and 2006 is -4.88%

<h3>What is the average rate of change?</h3>

The average rate of change can be found as:

=Change in population / Population in base year

The average rate of change in population between 2002 and 2004 is:

= (77 - 82) / 82

= -6.1%

The average rate of change in population between 2002 and 2006 is:

= (78 - 82) / 82

= -4.88%

Find out more on the average rate of change at brainly.com/question/23434598

#SPJ1

3 0
9 months ago
Plzzzz do the right awnsers i failed the other on e plzz no du meys plzz i beg
kramer

Answer:

D. Vertex: (3, -1); zeros: (2,0), (4,0), y-intercept: (0,8)

Step-by-step explanation:

I used the desmos graphing calculator. Just plug in your equation and it should be pretty easy to find these points

8 0
2 years ago
Read 2 more answers
Joshua sells a pack of pens for $3.15, which is 5 percent more than he pays for them. Which equation will help find x, the amoun
vesna_86 [32]

Answer:

C.  

x + 0.05x = 3.15, which has one solution

Step-by-step explanation:

Let x = the price Joshua pays for the pack of pens

He add 5% (=.05 in decimal form)

That is x* .05

The new cost is 3.15

x+.05x = 3.15

This will have one solution

3 0
3 years ago
Read 2 more answers
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