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Natali [406]
3 years ago
10

What is the geometric interpretation of dividing the b-value by 2 while completing the square?

Mathematics
1 answer:
Masja [62]3 years ago
6 0

Answer:

solving a quaddratic equation

Step-by-step explanation:

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The maritime museum has 100 ship models. Visitors can see 90% of the ships in a special exhibit. How many ships can visitors see
DochEvi [55]
90% of 100 = 0.9 x 100 = 90

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Answer: The visitor can see 90 ships.
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4 0
2 years ago
Change 2x-y=-4 into slope-intercept form with steps
Art [367]

Answer:

Y=2x+4

Step-by-step explanation:

2x-y=-4

subtract 2x

-y=-2x-4

divide by -1

y=2x+4

3 0
3 years ago
1+4.25n+3/2p-3+(-2p)+5/4n
alex41 [277]

Answer:

11/2n+-1/2p-2

Step-by-step explanation:

simplification

3 0
2 years ago
Save and
Darya [45]

Answer: 6/5

Step-by-step explanation:

7 0
2 years ago
Help me with this please
alina1380 [7]
If you assign variables to the problem, it can make things a lot simpler. Lets say chairs are x and tables are y. Therefore you have:
2x+6y=40 
5x+3y=25
Now you can isolate the variable of one equation and put it into another (it doesn't matter which. I'm going to manipulate the top equation to plug into the bottom one).
2x=40-6y 
x=20-3y
Now I plug into bottom equatioin:
5(20-3y) + 3y=25
100-15y+3y=25
100-12y=25
-12y=-75
y=$6.25
Now you can plug in y in either equation to get x. 
2x+6(6.25)=40
37.5+2x=40
2x=2.5
x=1.25
So it costs $6.25 for each table and $1.25 for each chair. If you think about it, it would make sense for the table to cost more for the chair. 
6 0
3 years ago
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