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vitfil [10]
2 years ago
7

Which relationships could have a negative correlation? Select three options. number of hours worked and free time speed of a car

and minimum stopping distance the speed of a train and the length of time to reach the destination adult’s head circumference and age a tadpole’s age and the length of it’s tail
Mathematics
2 answers:
olga_2 [115]2 years ago
5 0

Answer

- number of hours worked and free time

- a tadpole’s age and the length of its tail

- the speed of a train and the length of time to reach the destination

Step-by-step explanation:

The more hours worked, the less free time they will have

The older a tadpole gets, the shorter its tail gets because it is turning into a frog

The faster a train. the shorter time it takes to get to a place

Alja [10]2 years ago
4 0

Answer:

hope you can understand

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The following table shows the speeds at which Jeff does 4 activities. For example, biking has a rate of 19 miles in 2 hours. Whi
ExtremeBDS [4]

The type of activity that Jeff does at a speed of 4.5 miles per hour is Swimming

<h3>Further explanation</h3>

Acceleration is rate of change of velocity.

\large {\boxed {a = \frac{v - u}{t} } }

\large {\boxed {d = \frac{v + u}{2}~t } }

<em>a = acceleration ( m/s² )</em>

<em>v = final velocity ( m/s )</em>

<em>u = initial velocity ( m/s )</em>

<em>t = time taken ( s )</em>

<em>d = distance ( m )</em>

Let us now tackle the problem !

<em>This problem is about Kinematics.</em>

We will solve it in the following way

\texttt{Speed of Biking} = \texttt{Distance of Biking} \div \texttt{Time Taken}

\texttt{Speed of Biking} = \texttt{19} \div \texttt{2}

\texttt{Speed of Biking} = 9.5 \texttt{ miles per hour}

\texttt{ }

\texttt{Speed of Walking} = \texttt{Distance of Walking} \div \texttt{Time Taken}

\texttt{Speed of Walking} = \texttt{14} \div \texttt{4}

\texttt{Speed of Walking} = 3.5 \texttt{ miles per hour}

\texttt{ }

\texttt{Speed of Running} = \texttt{Distance of Running} \div \texttt{Time Taken}

\texttt{Speed of Running} = \texttt{15} \div \texttt{3}

\texttt{Speed of Running} = 5 \texttt{ miles per hour}

\texttt{ }

\texttt{Speed of Swimming} = \texttt{Distance of Swimming} \div \texttt{Time Taken}

\texttt{Speed of Swimming} = \texttt{18} \div \texttt{4}

\texttt{Speed of Swimming} = \boxed{4.5 \texttt{ miles per hour}}

\texttt{ }

<h3>Learn more</h3>
  • Velocity of Runner : brainly.com/question/3813437
  • Kinetic Energy : brainly.com/question/692781
  • Acceleration : brainly.com/question/2283922
  • The Speed of Car : brainly.com/question/568302

<h3>Answer details</h3>

Grade: High School

Subject: Physics

Chapter: Kinematics

Keywords: Velocity , Driver , Car , Deceleration , Acceleration , Obstacle , Speed , Time , Rate

3 0
3 years ago
Read 2 more answers
a culture started with 6,000 bateria after 6 hours,it grew to 7,200 .predict how many bacteria will be present after 17 hours ro
Genrish500 [490]

Answer:

10058

Step-by-step explanation:

The equation is of the form

y = ab^x

Where a is the initial value, y is the final  amount and x is the time

y = 6000 b^x

7200 = 6000 b^6

Divide each side by 6000

7200/6000 =  b^6

1.2 = b^6

Take the 6th root on each side

1.2 ^ 1/6 = b^6 ^ 1/6

1.030853321 = b

y = 6000 (1.030853321) ^ x

Let x = 17

y = 6000 (1.030853321) ^ 17

y=10057.68696

Rounding to the nearest whole number

y = 10058

7 0
3 years ago
Read 2 more answers
Whats the linear function in slope intercept form :<br> -6x+9y=54
babunello [35]
9y  = 6x + 54
divide through by 9:-
y = 6/9y + 54/9


y = 2/3 x  + 6 <---- answer
4 0
3 years ago
Read 2 more answers
Which number has the smallest value
tester [92]

Answer:

c would be the correct answer

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Complementary angles have measures (4x)° and (5x−27)°. find the measure of the larger angle.
Luda [366]

Answer:

4x=90

X=90÷4

X=22.5

5x-27=90

5x=90+27

5x=117

X=117÷5

X=23.4

So 23.4 is a larger angle

7 0
1 year ago
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