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MrMuchimi
2 years ago
7

Find the common ratio of the geometric sequence 20,40,80

Mathematics
1 answer:
mojhsa [17]2 years ago
5 0

Answer:

a = 2a(- 1)

Step-by-step explanation:

I have done the maths

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24/r=36/27 what is r? And one more w/0.16 = 6.25 what is w
Eddi Din [679]
24/r= 36/27

Cross multiply:
36*r= 24*27
⇒ r= 24*27/36= 18

r=18~

w/0.16 = 6.25
⇒ w= 6.25*0.16
⇒ w= 1

w=1~
5 0
3 years ago
a bike race is 6 miles long by noon tammy had ridden 3/4 of the distance. at this rate how long will it take her to finish the r
Tasya [4]
The racer take 4 hours (between 8:00 to 12:00) to race 3/4 of 6 miles

3/4 of 6 miles = 18/4 = 4.5 miles

4 hours ⇒ 4.5 miles
1 hour ⇒ 4.5 ÷ 4 = 1.125 miles

The time taken to complete 6 miles = 6 ÷ 1.125 = 16/3 hours = 5.3 hours


4 0
3 years ago
Help please ASAP please answer those two questions! Have a good day God bless!
nirvana33 [79]

Answer:

d for the first question

Step-by-step explanation:

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Step-by-step explanation:

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The point (-3,11) is a solution to : y > = x - 2, 2x + y < = 5
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