2 years ago

Rodell wants to find the favorite gaming app among the students at his school. He decides to poll the thirty students

Mathematics

1 answer:

STALIN [3.7K]2 years ago

3 0

Step-by-step explanation:

Rudra should have collected the students equally both from football and pump basketball

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Suppose a1=12−12,a2=23−13,a3=34−14,a4=45−15,a5=56−16. a) Find an explicit formula for an: . b) Determine whether the sequence is

lorasvet [3.4K]

I'm going to assume you meant to write fractions (because if $a_n$ are all non-negative integers, the series would clearly diverge), so that

$a_1=\dfrac12-\dfrac12$

$a_2=\dfrac23-\dfrac13$

$a_3=\dfrac34-\dfrac14$

and so on.

a. If the pattern continues as above, we would have the general term

$a_n=\dfrac n{n+1}-\dfrac1{n+1}=\dfrac{n-1}{n+1}$

b. Note that we can write $a_n$ as

$a_n=\dfrac{n-1}{n+1}=\dfrac{n+1-2}{n+1}=1-\dfrac2{n+1}$

The series diverges by comparison to the divergent series

$\displaystyle\sum_{n=1}^\infty\frac1n$

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2 years ago

A small city has three automobile dealerships: a GM dealer selling Chevrolets and Buicks; a Ford dealer selling Fords and Lincol

9966 [12]

Answer:

Event A = { Chevrolet , Buick }

Event B = { Ford , Lincoln }

Event C = { Toyota }

Step-by-step explanation:

- Mutually exclusive events are such that their probability of coming true simultaneously is zero. If we consider set notations we could say.

P (A & B) = P (B & C) = P (A & C) = 0

- In our case these events A,B, and C can be defined as:

Answer:

Event A = { Chevrolet , Buick }

Event B = { Ford , Lincoln }

Event C = { Toyota }

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2 years ago

Which choice gives a valid first step to solve 2(w − 3) = 5? Exclude any choice where the explanation for the step is false.

UNO [17]

Answer:

D. Use the Distributive Property. You clear the parentheses and then solve the two-step equation.

Step-by-step explanation:

Given problem;

2(w − 3) = 5

To solve this problem:

Use the distributive property to clear the parentheses;

2w - 6 = 5

Then, collect like terms, add 6 to both sides;

2w = 5 + 6

2w = 11

Now divide both terms by 2

w = $\frac{11}{2}$

7 0

2 years ago

According to Newton's Second Law of Motion, the sum of the forces that act on an object with a mass mmm that moves in an acceler

WARRIOR [948]

Answer:

80/1000 ⋅ 20

Step-by-step explanation:

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2 years ago

Manual collects $45.18 for a fundraiser. Gerome collects $18.07 more than Manual. Cidny collects 2 times as much as Gerome. How

Nikolay [14]

Answer:

$126.5

Step-by-step explanation:

45.18+18.07=67.25

67.25*2=126.5

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2 years ago