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lidiya [134]
3 years ago
14

Helppp a child out please

Mathematics
2 answers:
Nutka1998 [239]3 years ago
8 0

Answer:

The answer is 35

Step-by-step explanation:

given

an = 3n + 5

a10 = 3 * 10 + 5

= 30 + 5

= 35

Hope it will help :)

netineya [11]3 years ago
6 0

Answer:

i believe it is 35

Step-by-step explanation:

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A researcher is interested in determining whether typists are most productive in the morning, at midday, in the evening, or late
mojhsa [17]

Answer:

d. 19

Step-by-step explanation:

Degrees of freedom is the number is the number of value which is used in the final calculation. It calculate as n-1, where n is the sample size. The degrees of freedom for the given scenario is 19. The sample size is 20 so the degrees of freedom is 1 less which will be 19.

4 0
3 years ago
A model airplane is shot up from a platform 1 foot above the ground with an initial upward velocity of 56 feet per second.
solmaris [256]
h=-16t^2+56t+1

The ball will hit the ground when h=0:
-16t^2+56t+1=0
D=b^2-4ac=56^2-4*(-16)*1=3136+64=3200
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4 0
4 years ago
The population of Clairette
masha68 [24]
The estimated amount of people in Clairette, Texas is roughly 55-65 people 
3 0
3 years ago
5/13 of 26 is what number
Vlad1618 [11]

Answer:10

Step-by-step explanation:26/13 is 2 therefore 5 times 2 is 10

6 0
3 years ago
Read 2 more answers
10. An arithmetic sequence has this recursive formula. What is the explicit formula?​
Mrrafil [7]

Answer:

a_{n}=45-3n

Step-by-step explanation:

Method 1:

Arithmetic sequence is in the form

a_{n} =a_{1} +(n-1)d\\

d is the common difference, can be found by:

d=a_{n}-a_{n-1}=-3

Subtituting the a_{1} and d

You get:

a_{n}=42+(-3)(n-1)=45-3n

Method 2 (Mathematical induction):

Assume it is in form a_{n}=45-3n

Base step: a_{1} =45-3(1)=42

Inducive hypophesis: a_{n}=45-3n

GIven: a_{n+1} =a_{n}-3

a_{n+1}=45-3n-3=45-3(n+1)

Proved by mathematical induction

a_{n}=45-3n

5 0
3 years ago
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