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Kruka [31]
3 years ago
7

The nth term of a sequence is n-4

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
4 0

Answer:

Step-by-step explanation:

nth term = n - 4

A) 1st term = 1 - 4 = -3

2nd term = 2 - 4 = -2

3rd term = 3 - 4 = -1

First three terms are:  -3, -2, -1

b) tenth term = 10 - 4 = 6

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Does anyone know how to do this? Thanks!
Nataly [62]

C. 5

Step-by-step explanation:

The coeff of

{x}^{5}

Is 15.

So by that we can write 3m = 15

m is 5.

8 0
3 years ago
A circle has a radius of \sqrt{13}√ ​13 ​ ​​ square root of, 13, end square root units and is centered at (-9.3,4.1)(−9.3,4.1)le
timofeeve [1]

Answer:  The equation of the circle is

x^2+y^2+18.6x-8.2y+90.3=0.

Step-by-step explanation:  We are given to write the equation of the circle with radius √13 units and center at the point (-9.3, 4.1).

We know that

the standard equation of a circle with radius r units and center at the point (h, k) is given by

(x-h)^2+(y-k)^2=r^2.

In the given circle,

radius, r = √13 units  and  center, (h, k) = (-9.3, 4.1).

Therefore, the equation of the circle will be

(x-(-9.3))^2+(y-4.1)^2=(\sqrt{13})^2\\\\\Rightarrow (x+9.3)^2+(y-4.1)^2=13\\\\\Rightarrow x^2+18.6y+86.49+y^2-8.2y+16.81=13\\\\\Rightarrow x^2+y^2+18.6x-8.2y+103.3=13\\\\\Rightarrow x^2+y^2+18.6x-8.2y+90.3=0.

Thus, the equation of the circle is

x^2+y^2+18.6x-8.2y+90.3=0.

7 0
3 years ago
Please help D: Given f (x) = 3 x minus 1 and g (x) = 2 x minus 3, for which value of x does g (x) = f (2)?
AfilCa [17]
<h3>Answer:   D.  x = 4</h3>

===============================================

Explanation:

First compute f(2)

f(x) = 3x-1

f(2) = 3(2) - 1 ... replace every x with 2; use PEMDAS to simplify

f(2) = 6 - 1

f(2) = 5

When we say g(x) = f(2), we really mean g(x) = 5

g(x) = 2x-3

2x-3 = g(x)

2x-3 = 5 .... plug in g(x) = 5

2x-3+3 = 5+3 ... add 3 to both sides

2x = 8

2x/2 = 8/2 ... dividing both sides by 2

x = 4

8 0
4 years ago
If their food and beverages cost $25.30 and there is an 8% meals tax, how much is the bill?
Tomtit [17]
$25.30 + 8% =  about 27.32

$27.32
4 0
4 years ago
Read 2 more answers
What is 15.9 billion equal to
Vladimir [108]
It is equal to 15,900,000,000.
7 0
4 years ago
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