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2 years ago

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Mathematics

1 answer:

babymother [125]2 years ago

4 0

Girl what is this ummmmm

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Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule.

lubasha [3.4K]

Answer:

The answer is option C.

Step-by-step explanation:

The arithmetic sequence is given by

$A(n) = - 6 + (n - 1)( \frac{1}{5} )$

where n is the number of terms

For the first term

n = 1

So we have

$A(1) = - 6 + (1 - 1)( \frac{1}{5} )$

$= - 6 + (0)( \frac{1}{5} )$

$= - 6$

For the fourth term

n = 4

$A(4) = - 6 + (4 - 1)( \frac{1}{5} )$

$= - 6 + (3)( \frac{1}{5} )$

$= - 5 \frac{2}{5}$

For the tenth term

n = 10

$A(10) = - 6 + (10 - 1)( \frac{1}{5} )$

$= - 6 + (9)( \frac{1}{5} )$

$= - 4 \frac{1}{5}$

Hope this helps you

4 0

2 years ago

What is 0.3(−32.48−14.02)

shtirl [24]

Answer:

-13.95

Step-by-step explanation:

0.3(-32.48-14.02)

0.3(-46.5)

=-13.95

hope this helps!

8 0

3 years ago

Solve the math problem

Colt1911 [192]

Answer:I think its ether y-interspersed or equation

Step-by-step explanation:

6 0

2 years ago

Need answer????????????????????

zaharov [31]

Answer: .625 I believe

Step-by-step explanation:

6 0

2 years ago

A discus is thrown from a height of 3 feet with an initial velocity of 55 ft/s at an angle of 44° with the horizontal. How long

nasty-shy [4]

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Yes, the 3 feet are important.
You can consider the datum (y=0) at 3' from the ground, and the ground is therefore at -3 feet. 

The vertical initial velocity, vy, is u*sin(θ), so it gives 
vy=55sin(44°)=38.21 approx. 

The (vertical) distance travelled is given by: 
S=vy*t-(1/2)gt² 
where 
S=-3 (ground) 
vy=55sin(44°), and 
g=32.2 ft/s² 
Solve for t. 
I get -0.08 and 2.45 s.

6 0

3 years ago