2 years ago

What are the first three terms of a geometric sequence in which a5= 25 and the common ratio is 5?

Mathematics

1 answer:

shepuryov [24]2 years ago

8 0

Answer:

1/25, 1/5, 1

Step-by-step explanation:

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Plz help ...........

bogdanovich [222]

Step-by-step explanation:

Given c = longest of triange = 15m

Given b = short side of triangle = 9m

By pythagoras' Theorem,

${c}^{2} = {a}^{2} + {b}^{2} \\ {a}^{2} + {b}^{2} = {c}^{2} \\ {a}^{2} + {(9)}^{2} = {(15)}^{2} \\ {a}^{2} + 81 = 225 \\ {a}^{2} = 225 - 81 \\ {a}^{2} = 144 \\ a = \sqrt{144} \\ = 12m$

6 0

3 years ago

Question 7 of 10

yanalaym [24]

The answer is Subtraction

3 0

2 years ago

-3x+10y=-60<br> 3x+5y=15

Verdich [7]

Answer:

x=10, y=-3

Step-by-step explanation:

solve by addition/elimination

6 0

2 years ago

2/3x+15=17 please and thank you

frozen [14]

Answer:

x=3

Step-by-step explanation:

2/3x+15=17

first subtract 15 from both sides

2/3x=2

multiply by 3 to eliminate the fraction

2x=6

divide by 3

x=3

7 0

3 years ago

Read 2 more answers

what would be your mortgage payment if you pay for a 250000 home by making a 20% down payment and then taking out a 3.74% thirty

sergejj [24]

Answer:

Step-by-step explanation:

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3 years ago