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nordsb [41]
4 years ago
12

State a true conclusion. 1) If a ● b = 0, then a = 0 or b = 0 2) 3x = 0

Mathematics
2 answers:
lara [203]4 years ago
7 0
<span>Proposition 1) If a ● b = 0, then a = 0 or b = 0

Proposition 2) 3x = 0

=>  3 = 0 or x = 0

Given that 3 ≠ 0, x must be equal to 0.

Conclusion: x = 0
</span>
juin [17]4 years ago
4 0

Answer:

x=0

Step-by-step explanation:

Proposition 1) If a ● b = 0, then a = 0 or b = 0

Proposition 2) 3x = 0

=>  3 = 0 or x = 0

Given that 3 ≠ 0, x must be equal to 0.

Conclusion: x = 0

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Please help me ASAP! I will friend you (probably)! The first correct answer will get brainiest! Terry and Tao are canoeing on a
ivann1987 [24]
<span>erry starts rowing at 2 pm from the west end of the lake, and Tao starts rowing from the east end of the lake at 2:05 pm. 
------
Terry DATA:
rate = 60 meter/min ; time = x min ; distance = r*t = 60x meters
-----
Tao DATA:
rate = 40 meter/min ; time = x-5 min ; distance = r*t = 40(x-5) meters
--------------------------
If they always row directly towards each other at what time will the two meet?

------
Equation:
dist + dist = 2000 meters
60x + 40(x-5) = 2000
20x = 1800
x = 90 minutes
---</span>
8 0
3 years ago
Help I dont know how to write the equation. I know its y=xb or y=x+b <br>​
34kurt

Answer:

<h2>y=x-2</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • linear equation
  • PEMDAS
<h3>given:</h3>
  • b=-2
<h3>let's solve:</h3>

the slope of the line is 1

and linear equation slope intercept form:

  • y=mx+b

therefore our equation is

  • y=x+(-2)
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8 0
3 years ago
Read 2 more answers
Katie has read 32 % of a book. If she has read 80 pages, how many more pages does Katie have left to read?
mestny [16]
Percentage of pages of a book read by Katie = 32%
Total number of pages of the book read by Katie = 80
Let us assume the number of pages that the book has = x
Then
(32/100) * x = 80
32x = 80 * 100
32x = 8000
x = 8000/32
   = 250
So the book has a total of 250 pages in it.
Then
The number of pages that Katie still needs to read = 250 - 80
                                                                                 = 170
So Katie needs to read 170 more pages in the book.

7 0
3 years ago
Read 2 more answers
What is −5+(−5r)+10 =-5r+5
VikaD [51]

Answer:

Infinitely many solutions. Each real number is a solution of this equation.

Step-by-step explanation:

-5 + (-5r) + 10 = -5r + 5

5 - 5r = -5r + 5       <em>add 5r to both sides</em>

5 = 5   TRUE

7 0
3 years ago
Read 2 more answers
PLSSS HURRY I REALLY NEED THIS
Step2247 [10]

Answer: 1/10

Step-by-step explanation: -2/5+1/2=0.1

If we convert 0.1 into a fraction, it becomes 1/10.

7 0
1 year ago
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