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EastWind [94]
3 years ago
12

Hi There , Please I need your help and I hope you can help me !

Mathematics
1 answer:
never [62]3 years ago
7 0
Kinetic Energy = (1/2)mv².

where m = mass in kg= 2.5 * 10⁵kg = 250000 kg, v = velocity in m/s = 3*10² m/s = 300 m/s

Kinetic Energy = (1/2)*250000*300² = 0.5 * 250000 * 300 * 300

                         = 1.125 × 10¹⁰  Joules.


2)  Relationship between aⁿ and a⁻ⁿ   

a⁻ⁿ  =   1 / aⁿ

or

aⁿ  =   1 / a⁻ⁿ 
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Anna saves 3 dollars for every 10 dollars she earns.Patrick saves 5 dollars for every 20 dollars he earns.Do the two save money
NNADVOKAT [17]
The two do not save money at the same rate, because if you make common denominators of 20, Anna saves 6 dollars for every 20, while Patrick only saves 5 dollars for every twenty earned. So, Anna ends up saving more than Patrick.
4 0
4 years ago
Without using a calculator, fill in the blanks with two consecutive integers to complete the following inequality ____ < √134
puteri [66]

11 < \sqrt{134} < 12\\\\because\\\\11^2=121 < (\sqrt{134})^2=134 < 12^2=144

7 0
3 years ago
Read 2 more answers
A kayak rental company charges $25.00 to rent a kayak and $3.50 for each half hour it is used.
pogonyaev

Answer:

Option D (r(t) = 3.50t +25 ; r(8) = 53)

Step-by-step explanation:

The fixed cost to rent the kayak $25. This is the cost which remains fixed irrespective of the usage of the kayak. The variable cost of using the kayak is the cost which depends on the usage of the kayak. It is mentioned that the kayak is used for 4 hours and the company charges $3.5 for every half hour. The cost function is given by:

r(t) = 25 + 3.5t ; there r is the total cost of using the kayak and t is the number of half-hours the kayak is used.

4 hours means that there are 8 half-hours. Therefore, t=8. Put t=8 in r(t).

r(8) = 25 + 3.5*(8) = 25 + 28 = 53.

Therefore, Option D is the correct answer!!!

3 0
3 years ago
Read 2 more answers
Someone plz help me with this
ohaa [14]

Answer:

2.20 y axis 2years T x axis is the answer

6 0
3 years ago
One number is six times as large as a certain smaller number. Let x represent the smaller number. Write the larger number in ter
Svetach [21]

One number is six times as large as a certain smaller number.

i.e., Y  = 6x

Answer is 6x

3 0
4 years ago
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