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3 years ago

7

An equation is shown below:

1 answer:

Oksana_A [137]3 years ago

8 0

I hope this helped I've only done part A

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A test has twenty questions worth 100 points. The test consists of True/False questions worth 3 points each and multiple choice

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Answer:

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Step-by-step explanation:

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3 years ago

A new car is purchased for 15700 dollars. The value of the car depreciates at 7.5% per year. To the nearest year, how long will

devlian [24]

Answer:

10100=15700(1-0.075)^x

10100=15700(0.925)^x

divide both sides by 15700

0.925^x=101/157

convert decimal

(37/40)^x=101/157

take the log

x= log 37/40 (101/157)

x= 5.65824

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3 years ago

The first term of an arithmetic progression is 80 and the common difference is -3. what is the greatest possible sum of the firs

ikadub [295]

Answer:

S=157

Step-by-step explanation:

an= a1+(n-1)d

a2=80+(2-1)(-3)

a2=80-3

a2=77

Sn=(a1+an)*n/2

S2=(80+a2)*2/2

S2=(80+77)*1

S2=157

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3 years ago

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3 years ago

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