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babunello [35]
2 years ago
9

In the picture below, which lines are lines of symmetry for the figure?

Mathematics
1 answer:
zlopas [31]2 years ago
6 0

Answer:

i gues none... bcuz its irregular symmetry shape

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Assuming she worked at a constant rate, how many rows had been completed before Elena started working?
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Online jewelry sales have increased steadily over the last 10 years. In 2003, sales were approximately 2 billion dollars, and in
UNO [17]

Answer:

rate\ of\ increase = 28.8\ billion\ dollars\ per\ year

model: y = 28.8(t-2003) + 2

profit in year 2017: y =  405.2\ billion\ dollars

Step-by-step explanation:

The sales increased from 2 billion dollars to 146 billion dollars in five years, so to find the increase in billion dollars per year, we just need to divide the increase by the amount of time:

rate\ of\ increase = (146 - 2)/5 = 144 / 5 = 28.8\ billion\ dollars\ per\ year

To construct a model for these sales, we can use the year 2003 as the initial point of a linear equation:

y = ax + b

the variable y will represent the profit in billion dollars, the variable x will represent our time, so we can use (t - 2003) in its place to represent the number of years since 2003 (t is the year we want to calculate), the constant 'a' will be our rate of 28.8, and the constant 'b' is the inicial value for the year 2003, that is, 2 (billions). So we have:

y = 28.8(t-2003) + 2

In the year 2017, we would have:

y = 28.8(2017-2003) + 2

y = 28.8*14 + 2

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6 0
3 years ago
Richard has 4 1/2 ft of wood. He needs to cut the wood into 5 equal pieces. Each piece of wood will be _____?
mina [271]

Answer: 22 1/2


Step-by-step explanation: first convert 4 1/2 into a mixed # = 9/2

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Reciprocal is the # flipped so,

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5 0
3 years ago
(09.02 HC)
Vesna [10]
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3 years ago
Write in slope-intercept form the equation of the line that passes through the given points. (2,1) and (0,7)
Romashka [77]

Answer:

y= -3x +7

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