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malfutka [58]
3 years ago
9

Identify a1 and r for the sum of the geometric series. −4, 8, −16, 32,…

Mathematics
2 answers:
ikadub [295]3 years ago
6 0

Answer:

a1= -4     r=-2 on edu

Elodia [21]3 years ago
5 0

Answer: an = -4(-2)^n-1

Step-by-step explanation:

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Jannete has 326 pennies, 64 nickles, and 15 dimes. if she has to exchange her coins for dollars how many dollars will she have ?
Vlad1618 [11]

Answer:

She will have 7 dollars, with 96 cents remaining.

Step-by-step explanation:

326 pennies is $3.26

64 nickels is $3.20

15 dimes is $1.50

Add them all;

$3.26 + $3.20 + $1.50 = $7.96

She will have 7 dollars, with 96 cents remaining

3 0
3 years ago
What multiplied by itself 3 times gives you -216 please answer asap!!!
AlexFokin [52]

Answer:

-6

Step-by-step explanation:

given

x³ = -216

x = (-216)^⅓

factorize

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4 0
3 years ago
Read 2 more answers
I need the answers for 2 and 3
Korolek [52]
2- x= -2 y= -1 so the slope is -1/-2
3- x= 2 y= 3 so the slope is 1 1/2
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5 0
3 years ago
The cost of a car rental is ​$35 per day plus 21 cents per mile. You are on a daily budget of ​$98. Write and solve an inequalit
erma4kov [3.2K]
Let x = mileage
98 >= 35 + .21x
Solving for x:
98 >= 35 + .21x
63 >= .21x
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This says that if the total mileage is 300 miles or less he will be within his budget.
4 0
2 years ago
What does it mean to say that a number is a perfect square? Give one example of a number that is a perfect square and one that i
lara31 [8.8K]

Answer: when a number is multiplied by itself, it will give you a perfect square.

For example: 5x5= 25 or 4x4= 16.

Step-by-step explanation:

7 0
2 years ago
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