2 years ago

Please help me I have need to get this done and I will be beaten if it is not finished

Mathematics

1 answer:

Alchen [17]2 years ago

4 0

4. is correct
5. A is correct
6. B is correct

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An arithmetic sequence is defined by the recursive formula t1 = 11, tn = tn - 1 - 13, where n ∈N and n > 1. Which of these is

galben [10]

coolio

$t_1=11$

$t_n=t_{n-1}-13$

so each term is ound by subtracting 13 from the previous term

an aritmetic sequence can be written as

$t_n=t_1+d(n-1)$ were

$t_n$ is the nth term

$t_1$ is the first term

d is common difference, which can also be found by doing $t_n-t_{n-1}=d$

n=wich term

we know that $t_1=11$ and we can find d

$t_n=t_{n-1}-13$ , $t_n-t_{n-1}=-13=d$

so te general term is $t_n=11-13(n-1)$ which can also be expanded and written as $t_n=-13n+24$

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3 years ago

A number cube is rolled 450 times and the

EleoNora [17]

Answer:

A.) 0.33

Step-by-step explanation:

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1 year ago

A librarian wants to know many of her card members would buy used DVDs from the library. The library has 1162 card members. The

guajiro [1.7K]

The answer is around 914.

About 914 card members would buy used dvds from the library.

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2 years ago

A group of tourists went downstream a river and are supposed to return in 3 hours. How far can the tourists travel down the rive

Olenka [21]

D=vt

So they will travel downstream and upstream the same distance. Downstream they will travel:

d=(2+18)t1

Upstream they will travel:

u=(18-2)t2

Since d=u we can say:

20t1=16t2

We are told the trip lasts 3 hours so t1+t2=3, t2=3-t1, using this in the equation above we have:

20t1=16(3-t1)

20t1=48-16t1

36t1=48

t1=4/3 hours, and from earlier we saw that d=20t1 so:

d=20*4/3

d=80/3 miles

d=26 2/3 miles.

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2 years ago

Plz help !!!!!!!!!!!

prohojiy [21]

$\sqrt[4]{x^3} = (x^3)^{\frac 1 4} = x^{\frac 3 4}$

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2 years ago