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eduard
3 years ago
12

Prove that for any arithmetic sequence a7+a10=a8+a9

Mathematics
1 answer:
vodka [1.7K]3 years ago
5 0

Answer: a3+a6=a4+a5

Step-by-step explanation: since both of those sides there = a17, you can do the same for any other number.

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Noah bought 15 baseball cards for $9.00.Assuming each baseball cards costs the same amount, how much will 12 baseball cards cost
Anastasy [175]

First, we find how much 1 baseballs card costs.

1 card = 0.60

12*0.6 = $7.20

4 0
3 years ago
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The cost of 5 cans of dog food is 4.35. At this price ,how much do 11 cans of dog food cost
Setler [38]

Answer:

$9.57

Step-by-step explanation:

You have to do 4.35 divided by 5 to get how much 1 can cost. You will find out that 1 can cost $0.87. Next you will take how much one cost and mutiply it by 11.  When you do that you will get 9.57. That is how you will get $9.57 as your answer.  

5 0
3 years ago
I need help with this question! thank u :)
cestrela7 [59]
Presumably d meanst distance and t means time.

When t = 1, d = 2.5
When t = 3, d = 4

d = mt + b
2.5 = m + b [t = 1]
4.0 = 3m + b [t = 2]
1.5 = 2m [subtract]
m = .75 = slope
b = 1.75 = d-intercept
d = .75t + 1.75
d = 15/4 + 7/4 [t = 5]
d = 22/4 = 5.5 m from sensor
6 0
3 years ago
Algebra question(s), please help!!!!
Angelina_Jolie [31]

Answer:

For part A

10.08x=y

Step-by-step explanation:

252/25=10.08

x=number of hours=25

y=how much earned=252

10.08(25)=252

3 0
3 years ago
If Logan has $30.67 and Jenny has $12.69 how much more does Logan have than Jenny
e-lub [12.9K]
17,98 $ (subtraction)
Hope that helpful ! 
7 0
3 years ago
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