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SCORPION-xisa [38]
3 years ago
15

suppose the correlation coefficient between the number of college students in a city and the number of city buses is 0.89. which

statement must be true
Mathematics
1 answer:
Sergio039 [100]3 years ago
4 0
Is that the only statement. Or is there different options?
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-4x&lt;20<br> X&lt;-5<br> Describe the error that she made <br><br> What the answer
gizmo_the_mogwai [7]

Answer:

your supposed to flip the sign for the less than or greater than sighs when dividing by a negative.

Step-by-step explanation:

-4x←20

x→-5

3 0
3 years ago
Please help!
Hatshy [7]

Answer:

each side is 6.

Step-by-step explanation:

a hexagon has six sides and 36 divided by 6 is 6

3 0
3 years ago
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Write an algebraic expression that models the word phrase.
lutik1710 [3]

Answer:

B: 6x+2

Step-by-step explanation:

hope this helps :)

5 0
2 years ago
Theo has a balence of $-4 in his savings account. After making a deposit, he has $25 in his account.What is the overall change t
lions [1.4K]

The has a +$29 change in his account

6 0
3 years ago
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Jerald jumped from a bungee tower. If the equation that models his height, in feet, is h = –16t2 + 729, where t is the time in s
Snezhnost [94]

Answer. First option: t > 6.25


Solution:

Height (in feet): h=-16t^2+729

For which interval of time is h less than 104 feet above the ground?

h < 104

Replacing h for -16t^2+729

-16t^2+729 < 104

Solving for h: Subtracting 729 both sides of the inequality:

-16t^2+729-729 < 104-729

-16t^2 < -625

Multiplying the inequality by -1:

(-1)(-16t^2 < -625)

16t^2 > 625

Dividing both sides of the inequality by 16:

16t^2/16 > 625/16

t^2 > 39.0625

Replacing t^2 by [ Absolute value (t) ]^2:

[ Absolute value (t) ]^2 > 39.0625

Square root both sides of the inequality:

sqrt { [ Absolute value (t) ]^2 } > sqrt (39.0625)

Absolute value (t) > 6.25

t < -6.25 or t > 6.25, but t can not be negative, then the solution is:

t > 6.25



5 0
3 years ago
Read 2 more answers
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