if usain bolt ran the 100 meter dash in 9.58 seconds. if he ran at a constaint rate how many meters did he run in 3 seconds

Answers

Answer 1

Answer: The best thing to do is to find the unit rate per second then multiply accordingly.
What you have to do now is to divide 100 by 9.58 to find the unit rate per second.
100/9.58= 10.44 metres per second (rounded to 2dp)
Then to find 3 seconds, you multiply this by 3.
10.44*3= 31.32 metres
This therefore mean he ran 31.32 metres in 3 seconds
Hope this helps :)

Answer 2

Answer: Answer is 31.32
You do 100 divided by 9.58 is 10.4
Then you do 10.4 multiplied by 3 is 31.32

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"The inverse of every function must be a function itself." State whether you agree or disagree with the statement providing evidence to support your position.

Answers

A function that is its own inverse is called a involution. It is not necessary the inverse of every function must be a function itself.”

Step-by-step explanation:

Inverse is a function that reverse itself

Lets ,consider an equation used to convert temperature in degrees Fahrenheit( F), to a temperature in degrees Celsius,(C)

C=3/9(F-32)

But suppose ,we want a equation that did the reverse that means it converted a temperature in degrees Celsius to a temperature in degrees Fahrenheit. Then we inverse the function as

F=3/9(C+32)

Help
I need help can some help me!! I give you

Answers

Answer:

x=6

Step-by-step explanation:

its an equilateral triangle so all sides are the same measure

9=3x-9

18=3x

x=6

Margaret drove to a business appointment at 60 mph. Her average speed on the return trip was 50 mph. The return trip took one fifth 1 5 hr longer because of heavy traffic. How far did she travel to the appointment?

Answers

She traveled 60 miles to the appointment place.

Step-by-step explanation:

Let the distance to appoint be s and time for appointment trip be t.

The return trip took one fifth hr longer because of heavy traffic.

Time for return trip = t + one fifth hour = (t + 0.2) hr

Speed of appointment trip = 60 mph

Speed of return trip = 50 mph

We have

s = 60 t and

s = 50 (t + 0.2)

s = 50 t + 10

60t = 50 t + 10

10 t = 10

t = 1 hour

Distance to appointment = 60 t = 60 x 1 = 60 miles

She traveled 60 miles to the appointment place.

If the hypotenuse of a right triangle is 2 cm and one leg is √ 3 cm, the exact length of the other leg is _______ cm. A. √ 3
B. 1
C. 3
D. 4

Answers

Answer:

The length of the other leg is 1 cm.

Step-by-step explanation:

By using the pythagorean theorem

Hypotenuse² = Perpendicular² + Base²

As given

If the hypotenuse of a right triangle is 2 cm and one leg is √ 3 cm.

Let us assume that the unknown length be x.

Thus

2² = Perpendicular² + Base²

$4^(2)= (√(3))^(2) + x^(2)$

$(√(3))^(2) = 3$

4 = 3 + x²

x² = 4 -3

$x = √(1)$

x = 1 cm

Therefore the length of the other leg is 1 cm.

The exact length of the other leg is B. 1 cm.

During his workout, Elan spent 28% of the time on the treadmill. What fraction of his workout was on the treadmill?

Answers

Answer: $(7)/(25)$

Step-by-step explanation:

Given : During his workout, Elan spent 28% of the time on the treadmill.

We know that to convert percentage into fraction , we divide it by 100.

Thus , $28\%=(28)/(100)$

Now to reduce it into lowest term , divide numerator and denominator by 4, we get

$(28)/(100)=(7)/(25)$

Hence, the fraction of his workout was on the treadmill = $(7)/(25)$

A percent always mean something out of a 100. So, you write - 28/100. This ca be so pied further by 2. So, then the fractions becomes - 14/50. This cane further be simplified by 2, so the fraction is 7/25. And that is your final answer.

I need to show my work but I don’t know how to do these can someone help me??

Answers

Use cymath.com it shows the steps to copy

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