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AlekseyPX
3 years ago
8

What is the equation?

Mathematics
1 answer:
swat323 years ago
7 0

Answer:

y= -x^2-2x-4

Step-by-step explanation:

This is standard form

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Which of the following recursive formulas represent the same arithmetic sequence as the explicit formula an=5+(n-1)2
sergey [27]

Answer:

Choice A:

a_1=5

a_{n}=a_{n-1}+2

Step-by-step explanation:

a_n=5+(n-1)2

means we looking for first term 5 and the sequence is going up by 2.

In general,

a_n=a_1+(n-1)d

means you have first term a_1 and the sequence has a common difference of d.

So it is between the first two choices.

The explicit form of an arithmetic sequence is: a_n=a_1+(n-1)d

An equivalent recursive form is a_n=a_{n-1}+d \text{ where } a_1 \text{ is the first term}

So d again here is 2.

So choice a is correct.

a_1=5

a_{n}=a_{n-1}+2

6 0
3 years ago
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Which would neatly fill the gap in the prism shown below? Check all that apply. A prism has a length of 2 and one-half, height o
Simora [160]

Answer:

12 blocks each measuring One-fourth times 1 times 1 and6 blocks each measuring one third times one time 1

Step-by-step explanation:

5 0
3 years ago
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a study was conducted at a large hospital to determine whether there was a relationship between numbers
Marat540 [252]

Step-by-step explanation:

study was conducted at a large hospital to determine whether there was a relationship between the

ntunber of years that nurses were employed and the number of nurses who voluntarily resign

7 0
3 years ago
A photographer needs a frame for a 16 x 20 inch picture, such that the total area is 340 in^2. Calculate the width of the frame.
Vesna [10]
B? 2x^2+72=20 ( sorry if it isn’t right)
8 0
2 years ago
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Find the simple interest earned after 2 years on an investment of $3,000 at 4.5% interest earned annually.
fredd [130]
We know, Interest = P * R * T / 100
S.I. = 3000 * 4.5 * 2 /100
S.I. = 27000 / 100
S.I. = 270

In short, Your Answer would be $270

Hope this helps!
4 0
3 years ago
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