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lidiya [134]
4 years ago
13

What is (-8,10) and (5,-3) written in standard form?

Mathematics
1 answer:
Lady_Fox [76]4 years ago
4 0

Answer:

x+y=2

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-3-10)/(5-(-8))

m=-13/(5+8)

m=-13/13

m=-1

y-y1=m(x-x1)

y-10=-1(x-(-8))

y-10=-(x+8)

y-10=-x-8

y=-x-8+10

y=-x+2

y-(-x)=2

y+x=2

x+y=2

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JulsSmile [24]

Answer:

3x^2 + 9x  +9

Step-by-step explanation:

Given

(7x + 8 + 2x^2) + (2x + 1 + x^2)

Required

The result in standard form

We have:

(7x + 8 + 2x^2) + (2x + 1 + x^2)

Remove brackets

7x + 8 + 2x^2 + 2x + 1 + x^2

Collect like terms

7x+ 2x  + 8 + 1 + 2x^2+ x^2

9x  + 9+ 3x^2

The standard form of a quadratic equation is:

ax^2 + bx + c

So, we have:

9x  + 9+ 3x^2

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5 0
3 years ago
Nada drinks 54 glasses of water a week. How many glasses of water does she drink in 9 Weeks?
kodGreya [7K]

Answer: 486 glasses of water in 9 weeks

Step-by-step explanation:

54 X 9 = 486

Or you could add 54 to itself 9 times then you will get 486

4 0
2 years ago
the jones family wants to enclose their circular garden with a fence. to the nearest foot , what is the minimum length of fencin
Elena L [17]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Geoff charges $27 for 3 hours of swimming lessons. Anne charges $31 for 4 hours. How much more does Geoff charge per hour than A
DochEvi [55]
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         31 for 4
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3 0
4 years ago
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Anastaziya [24]

Step-by-step explanation:

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6 0
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