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Mathematics : asked on lwilliams28
 15.10.2022

9. The function h(t) = 150 - 4t represents the height of a person repelling downa building for the first time where t is measured in minutes and h is measured in
feet above the ground. How high would the person be one half hour after
beginning his descent?

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Step-by-step answer

09.07.2023, solved by verified expert
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Rajat Thapa
s Specialist
Mathematics, DAV Post Graduate College
5 231 answers
4.9 . rating
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30 feet

Step-by-step explanation:

Hello!

Half an hour is 30 minutes, so that means we are asked to find h(30).

Solve for h(30):

h(30) = 150 - 4(30)         9. The function h(t) = 150 - 4t represents the, №18011250, 15.10.2022 00:02 Substitute 30 for th(30) = 150 - 120           9. The function h(t) = 150 - 4t represents the, №18011250, 15.10.2022 00:02  Simplifyh(30) = 30

The person would be 30 feet above the ground in half an hour.

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Mathematics
9. The function h(t) = 150 - 4t represents the height of a person repelling downa building for the first time where t is measured in minutes and h is measured in feet above the ground. How high would the person be one half hour after beginning his descent?
Step-by-step answer
P Answered by Master

30 feet

Step-by-step explanation:

Hello!

Half an hour is 30 minutes, so that means we are asked to find h(30).

Solve for h(30):

h(30) = 150 - 4(30)         Substitute 30 for th(30) = 150 - 120            Simplifyh(30) = 30

The person would be 30 feet above the ground in half an hour.

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Imran is paid ?286 per week Every week he puts 20% of his wage into a savings account How much does he put into his savings each week
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The answer is in the image 

The answer is in the image 
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Neil places £2000 in a bank account that pays 1.5% simple interest per year. How much interest will he earn in 6 years?
Step-by-step answer
P Answered by PhD

SI=(P*R*T)/100

P=2000

R=1.5

T=6

SI=(2000*1.5*6)/100

=(2000*9)/100

=180

Neil will earn interest of 180

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Cost of 7 gallons=$24.50

Cost of 1 gallon=24.50/7=3.5

Cost of 15 gallons=15*3.5=52.5

Cost of 15 gallons will be $52.5

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In a parking lot, for every 8 cars there are 7 trucks. What is the ratio of cars to trucks? A)7 : 8 B)8 : 7 C)8 : 15 D)15 : 8
Step-by-step answer
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For every 8 cars there are 7 trucks

Therefore,

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Step-by-step answer
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The solution is in the following image

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A 4300-N force from a car s engines produces an acceleration of 3.3 m/s2. What is the mass of the car? A. 4300 kg B. 1300 kg C. 14,000 kg D. 390 kg
Step-by-step answer
P Answered by PhD

F=ma

where F=force

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a=acceleration

Here,

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The answer is in the image 

The answer is in the image 
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Step-by-step answer
P Answered by PhD

Here,

tip=18%of $32

tip=(18/100)*32

=0.18*32

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Total payment=32+5.76=$37.76

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