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igomit [66]
2 years ago
13

Please help me, What is 640.31 written in expanded form?

Mathematics
2 answers:
Sophie [7]2 years ago
5 0
The top right one. 600+40+3/10+1/100
Stels [109]2 years ago
5 0

Answer:

640.31= 600+40+ 3/10 + 1/100

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Jonah's house and his grandparents house or 8046.7 I 2 m apart what is this distance in miles
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1.523

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1 mile equals 5280 feet

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3 years ago
Create a equation where the solution is x= -5
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x + 3 = 8

OR

4x - 4 = 16

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A number increased by 11 is equal to twice the number decreased by 12
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3 years ago
For the given quadratic equation convert into vertex form, find the vertex and find the value for x=6 Y=-2x^2+2x+2
Serga [27]

Answer:

Part 1) The vertex is the point (0.50,2.50)

part 2) y=-58

Step-by-step explanation:

we have

y=-2x^{2} +2x+2

Part 1) Convert into vertex form

Group terms that contain the same variable, and move the constant to the opposite side of the equation

y-2=-2x^{2} +2x

Factor the leading coefficient

y-2=-2(x^{2} -x)

Complete the square. Remember to balance the equation by adding the same constants to each side

y-2-0.50=-2(x^{2} -x+0.25)

y-2.50=-2(x^{2} -x+0.25)

y-2.50=-2(x-0.50)^{2}

y=-2(x-0.50)^{2}+2.50 -----> equation in vertex form

The vertex is the point (0.50,2.50)

Part 2) Find the value of y for x=6

substitute the value of x in the equation

y=-2(6)^{2} +2(6)+2

y=-72 +12+2

y=-58

4 0
3 years ago
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