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laila [671]
2 years ago
14

HELPPPP PLEASSEEEEE Literal Equations and Formulas

Mathematics
1 answer:
Lapatulllka [165]2 years ago
4 0

Answer:

Im pretty sure A

Step-by-step explanation:

multiply both sides by 3/4 (reciprocal)

3/4X=pie(r)cubed

divide by pi on both sides

3/4X

-------- = r(cubed)

pi

cube root both sides

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A. 0.75s+0.4t=980<br><br> B. 0.75s-0.4t=980<br><br> C. 0.75s+0.04t=980<br><br> D. 0.75s-0.04t=980
Natalka [10]
C is the correct answer
6 0
2 years ago
Question 2 of 5
AlekseyPX

Given:

The different recursive formulae.

To find:

The explicit formulae for the given recursive formulae.

Solution:

The recursive formula of an arithmetic sequence is f(n)=f(n-1)+d, f(1)=a,n\geq 2 and the explicit formula is f(n)=a+(n-1)d, where a is the first term and d is the common difference.

The recursive formula of a geometric sequence is f(n)=rf(n-1), f(1)=a,n\geq 2 and the explicit formula is f(n)=ar^{n-1}, where a is the first term and r is the common ratio.

The first recursive formula is:

f(1)=5

f(n)=f(n-1)+5 for n\geq 2.

It is the recursive formula of an arithmetic sequence with first term 5 and common difference 5. So, the explicit formula for this recursive formula is:

f(n)=5+(n-1)(5)

f(n)=5+5(n-1)

Therefore, the correct option is A, i.e., f(n)=5+5(n-1).

The second recursive formula is:

f(1)=5

f(n)=3f(n-1) for n\geq 2.

It is the recursive formula of a geometric sequence with first term 5 and common ratio 3. So, the explicit formula for this recursive formula is:

f(n)=5(3)^{n-1}

Therefore, the correct option is F, i.e., f(n)=5(3)^{n-1}.

The third recursive formula is:

f(1)=5

f(n)=f(n-1)+3 for n\geq 2.

It is the recursive formula of an arithmetic sequence with first term 5 and common difference 3. So, the explicit formula for this recursive formula is:

f(n)=5+(n-1)(3)

f(n)=5+3(n-1)

Therefore, the correct option is D, i.e., f(n)=5+3(n-1).

6 0
3 years ago
Read 2 more answers
Suppose you are conducting a study to determine if women are better drivers than men. You send your survey to over 1000 students
julsineya [31]

Answer:

555.56

Step-by-step explanation:

Purpose of the study:  To determine if women are better drivers than men.

Survey or Opinion population:  1,000

You are experimenting on 9 out of a thousand opinions.

5 of these opinions are that women are better drivers

4 of these opinions are that women are not better drivers

You want to know the <em>sample</em> (full sample size is 9) <em>proportion</em> for women as better drivers; using the large sample method. This method is also called the asymptotic method.

This involves approximating the desired statistic, with just a small fraction of the population; in this case, 9/1000.

This approximation will get more and more accurate as sample size increases and you know that a larger sample size gives a better representation and interpretation of the population preference!

So using ratio, the sample proportion for women as the better drivers is given by:

5/9 x 1000   = 555.56 opinions

8 0
2 years ago
rosy has 16 pencils and 24 erasers. she is putting together packets that will have an equal number of pencils and erasers in eac
faust18 [17]

Answer:48

Step-by-step explanation: you were indirectly asked for the L.C. M of 16 and 24

4 0
3 years ago
Five ticets to a baseball game cost 60$. How much do 2 ticets cost
Leno4ka [110]

Answer:

$24

Step-by-step explanation:

Since you know 5 tickets equal to $60, and you want to find the cost of one ticket, you would divide 60 by 5. 60/5=12. So each ticket costs 12 dollars. But you want to find the cost of two. So multiply $12 by two to get $24 dollars per two tickets.

4 0
3 years ago
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