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Tom [10]
3 years ago
15

BONUS (5 pts): How do you tell if a graph displays a proportional relationship? Explain

Mathematics
2 answers:
kiruha [24]3 years ago
5 0

Answer:

If the relationship between two quantities is a proportional relationship, this relationship can be represented by the graph of a straight line through the origin with a slope equal to the unit rate. For each point (x, y) on the graph, ž is equal to k, where k is the unit rate. The point (1, k) is a point on the graph. Hope that was helpful in some way.

Step-by-step explanation:

kow [346]3 years ago
3 0

Answer:

The graph of a proportional relationship is a straight line that passes through the origin. Proportional quantities can be described by the equation y = kx, where k is a constant ratio. You can tell that the relationship is directly proportional by looking at the graph. The graph is a straight line and it passes through the origin.

Step-by-step explanation:

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What ia the value of cosθ given that (-2,9) is a point on the terminal side of θ ?
pentagon [3]

Hello from MrBillDoesMath!



Answer:

Choice B,    -2  sqrt(85) / 85



Discussion:

By definition,

cos(@) =  length of side adjacent to angle / hypotenuse

            =  -2/ ( sqrt (    (-2)^2 + (9^2)   )              (usin Pythag. theorem)

            = -2/ sqty (4 + 81)

            = -2 / (sqrt(85)

Multiply numerator and denominator by sqrt(85):

           =  (-2 / ( sqrt(85) ) * (sqrt(85)/sqrt(85) )

           = -2  sqrt(85) / 85


which is choice B


Thank you,

MrB



4 0
3 years ago
If you have 5 and 5 and you add it what is the answer it is 10
stellarik [79]

Answer:

Yes, 5+5=10

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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olga55 [171]

Answer:

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3 years ago
Jane wrote the numbers 1-100 and placed them in a bag. If she selects a number without looking, what is the probability that the
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If she selects a number without looking, it's a 1/100 chance she'll pull out one specific number.

However, here we need to find the probability of a number below 5. There are four numbers below 5 from the range to 1-100 and they are 1, 2, 3, and 4.

Therefore, since there are 4 numbers below 5, we have a 4/100 chance of Jane pulling out a number below 5.

In simplified terms it would be \frac{1}{25}

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brilliants [131]

Answer:

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Step-by-step explanation:

t-28=7s

t-28/7=s

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