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Dennis_Churaev [7]
3 years ago
6

Match the pairs of variables with the type of relationship they show.

Mathematics
2 answers:
LiRa [457]3 years ago
5 0
Correlation:
an increase in the birth rate and a decrease in the death rate

No relationship:
an increase in the urban bird population and in increase in airplane accidents

Causation:
a decrease in deaths related to heart disease and an increase in air travel
klasskru [66]3 years ago
3 0

Answer:

correlation : an increase in the birth rate

and a decrease in the death

rate

causation : an increase in the urban bird

population and an increase in

airplane accidents

no relationship : a decrease in deaths related to

heart disease and an increase

in air travel

Step-by-step explanation:

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What is the property for x times 1=x?
IRISSAK [1]

Answer:

any number

Step-by-step explanation:

it could be any number because 1 multiplied by another number is always going to be the starting number, idk tho

6 0
4 years ago
Read 2 more answers
After knee surgery, your trainer tells you to return to your jogging program slowly. He suggests you start by jogging for 14 min
aleksklad [387]

Given that initial time for jogging is,

a_{_1}=14

After each week the time is increased by

d=7

This gives an arithmetic sequence.

To find n such that,

a_n=70

Therefore,

\begin{gathered} a_n=a_1+(n-1)d \\ n=\frac{a_n-a_1}{d}+1 \end{gathered}

So,

\begin{gathered} n=\frac{70-14}{7}+1 \\ =\frac{56}{7}+1 \\ =8+1 \\ =9 \end{gathered}

Therefore, 9 weeks before you are up to jogging 70 minutes.

7 0
1 year ago
911+911+666+21−420−69 what this equal​
melamori03 [73]

Answer:

2020

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
HELpppppppppPPPPPPPPPPPPPPPpppppPPPPPPPP
Savatey [412]

Answer:

(a) mintutes, seconds

(b) Randomly pick 55 students to run a lap around the track and measure their times

Step-by-step explanation:

(a) When measuring distance like running you measure it in minutes and seconds

(b) When finding the average of a population you have to pick randomly and to get the best results you time them youself

Randomly pick 55 students to run a lap around the track and measure their times.

6 0
2 years ago
Anyone know the answer?
Sergeeva-Olga [200]

Answer:

They will need √161 feet, or about 12.69 feet of fencing. √161 is irrational because 161 is not a perfect square.

Step-by-step explanation:

{8}^{2}  +  {x}^{2}  =  {15}^{2}

64 +  {x}^{2}  = 225

{x}^{2}  = 161

x =  \sqrt{161}  = 12.69

4 0
2 years ago
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