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galina1969 [7]
2 years ago
9

The formula for the nth term of an arithmetic sequence can be found using the formula a Subscript n Baseline = a Subscript 1 Bas

eline + (n minus 1) d. Which of the following is equivalent to this equation?
Mathematics
1 answer:
Gnoma [55]2 years ago
6 0

The equation of nth term will be written as for n as will be (\rm a_n - a₁ + d) / d. Then the correct option is D.

The missing options are attached to the picture given below.

<h3>What is a sequence?</h3>

A sequence is a list of elements that have been ordered in a sequential manner, such that members come either before or after.

The formula for the nth term of an arithmetic sequence can be found using the formula given below.

\rm a_n = a_1 + (n-1)d

Then arrange the equation for n, we have

\begin{aligned} \rm a_n - a_1 & \rm = nd - d\\\\\rm a_n - a_1 + d & \rm =nd\\\\\rm n & \rm = \dfrac{a_n - a_1 + d}{d}  \end{aligned}

Then the correct option is D.

More about the sequence link is given below.

brainly.com/question/21961097

#SPJ1

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Find 4/5 of 6/9 in simplest form
vova2212 [387]

9514 1404 393

Answer:

  8/15

Step-by-step explanation:

In this context, "of" means "times." The product is ...

  \dfrac{4}{5}\times\dfrac{6}{9}=\dfrac{4\cdot6}{5\cdot9}=\dfrac{3\cdot8}{3\cdot15}=\boxed{\dfrac{8}{15}}

5 0
3 years ago
The Kentucky Derby distance is 20 furlongs. How far is the Kentucky Derby in​ rods and fathoms?
Leona [35]

Answer:

The distance is equivalent to 800 rods and 2200 fathoms.

Step-by-step explanation:

Given:

The distance of the Kentucky Derby in furlongs is 20 furlongs.

Now, in order to convert the distance in rods and fathoms, we use the conversion factor for each.

We know that,

1 furlong = 40 rods.

Therefore, the conversion factor is \frac{40\ rods}{1\ furlong}

So, 20 furlongs is equivalent to rods =20\ furlongs\times \frac{40\ rods}{1\ furlong}=800\ rods

Therefore, 20 furlongs is equivalent to 800 rods.

Now, we also know that,

1 furlong = 110 fathoms

So, the conversion factor is \frac{110\ fathoms}{1\ furlong}

So, 20 furlongs is equivalent to rods =20\ furlongs\times \frac{110\ fathoms}{1\ furlong}=2200\ fathoms

Therefore, 20 furlongs is equivalent to 2200 fathoms.

3 0
2 years ago
The dinner check was $78.00.<br>If Erin leaves a 20% tip, how<br>much will the tip be?​
jenyasd209 [6]

Answer:

Step-by-step explanation:

Just calculate 20% of 78.00 or 78.00x0.20=$15.6

8 0
3 years ago
Read 2 more answers
Anyone know this ???
sineoko [7]
Make into improper fraction

5 and 1/6=5+1/6=30/6+1/6=31/6

3 and 2/4=3+2/4=3+1/2=6/2+1/2=7/2

5 and 1/6 times 2 and 2/4=
31/6 times 7/2=
217/12=
216/12+1/12=
18+1/12=
18 and 1/12
8 0
3 years ago
In the diagram below, the radii of the two concentric circles are 3 centimeters and 7 centimeters, respectively.
True [87]

Answer:

125.6 cm²

Step-by-step explanation:

Area of the shaded region = area of larger circle - area of the smaller circle

Area of the smaller circle = πr²

π = 3.14, r = 3 cm

Area of smaller circle = 3.14*3² = 3.14*9 = 28.26 cm²

Area of larger circle = πr²

π = 3.14, r = 7

Area of larger circle = 3.14*7² = 3.14*49 = 153.86 cm²

Area of the shaded region = 153.86 - 28.26 = 125.6 cm²

5 0
2 years ago
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