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postnew [5]
2 years ago
12

Do the values in the table represent a proportional relationship? HELP ASAP!!!!

Mathematics
2 answers:
aliya0001 [1]2 years ago
8 0
Do the values in the table represent a proportional relationship? HELP ASAP!!!!
x 1 2 3 4
y 2.5 5 7.5 10


Select from the drop-down menu to correctly complete the statement.
All of the y-values HAVE
a constant multiple of ☆☆2.5☆☆☆ to the corresponding x-values, so the relationship PROPORTIONAL
DochEvi [55]2 years ago
7 0

Answer:


Step-by-step explanation:


Hey so the answer's are "are" and "is proportional"

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Suppose we want to study the average weight of children in the US. We collect a random sample of 345 first graders in three diff
natta225 [31]

Answer:

F test

Step-by-step explanation:

Given that we want to study the average weight of children in the US. We collect a random sample of 345 first graders in three different US states

Since there are three samples representing three populations to check whether they have same average weight we have to use F test.

Two sample t test is wrong because here there are three samples.

Paired t test is done for the same item subject to two different tratments

Z test is done for comparing of a mean with population mean or proportion if the population standard deviation is known.

Hence here since the number of groups are more than two, only F test is best suited to determine whether there is a difference in the average student weight among the three states

3 0
2 years ago
State the null and alternative hypothesis in symbols and words. Assume conditions have been met. (2 pts.) Perform your hypothesi
Sonbull [250]

Answer:

The problem is clearly solved in the attachment

3 0
3 years ago
For which inequality is {x | x R, x > 6} the solution set?
CaHeK987 [17]

Answer:

C

Step-by-step explanation:

<em>B: 2X + 12 > 3</em>

2x > -9

x> -9/2

<em>C: 2X - 5 > 7</em>

2x > 12

x > 6

<em>D: 2x - 6 > 24</em>

2x > 30

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Hope this helps ^-^

6 0
2 years ago
3:2 is equivalent to
PIT_PIT [208]

Answer:

9:6 27:18 and 81: 54

Step-by-step explanation:

3 0
2 years ago
What are the coordinates of the hole in the graph of the function f(x) ?
Vinvika [58]
ANSWER

(3, \infty )

EXPLANATION

The given function is

f(x) = \frac{ {x}^{2} - 9}{x - 3}

When we plug in x=3 into this function, we obtain,

f(3) = \frac{0}{0}

This means that the function is discontinuous at x=3.

We need to simplify the function to obtain,

f(x) = \frac{(x - 3)(x + 3)}{(x - 3)}

This implies that,

f(x) = x + 3

The graph this function is a straight line that is continuous everywhere.

To graph

f(x) = \frac{ {x}^{2} - 9}{x - 3}
we draw the graph of

f(x) = x + 3
and leave a hole at x=3.

See diagram in attachment.

Hence the coordinates of hole is

(3, \infty )

6 0
3 years ago
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