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Mumz [18]
3 years ago
8

What is the nth term rule of the linear sequence below? 15 , 7 , − 1 , − 9 , − 17 , . . .

Mathematics
1 answer:
Doss [256]3 years ago
7 0

You can see that you're constantly subtracting 8 to get the next number. So, we have

a_1 = 15

a_2 = a_1-8

a_3 = a_2-8 = (a_1-8)-8=a_1-2\cdot 8

a_4=a_1-3\cdot 8

a_5=a_1-4\cdot 8

So, as you can see, to get the n-th term we must subtract (n-1) times 8 from the original number.

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How to find a and b in the equation below.<br> 3(a+b)=28
Anuta_ua [19.1K]

Answer:

a equals  and b equals 7

Step-by-step explanation

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3 0
2 years ago
Can anybody solve this?
RUDIKE [14]

<u>Given</u>:

The radius of the inner circle is 13 yards.

The width of the outer circle is 8 yards.

We need to determine the area of the composite figure.

<u>Radius of the composite figure:</u>

The radius of the composite figure can be determined by adding the radius of the inner circle and the width of the outer circle.

Thus, we have;

Radius=13+8

Radius=21

Thus, the radius of the composite figure is 21 yards.

<u>Area of the composite figure:</u>

The area of the composite figure can be determined using the formula,

A=\pi r^2

Substituting π = 3.14 and r = 21, we get;

A=(3.14)(21)^2

A=3.14(441)

A=1384.74

Thus, the area of the composite figure is 1384.74 square yards.

5 0
2 years ago
Which of the terms cannot be combined with the others? Ох o3 ху 0-5 2x​
labwork [276]

Answer:

Ох o3 х(7,6)igle is 180

VX

Step-by-step explanation:

AB

MA

B

F

с

AAB=BC,AM=MC

BM IAC , EF I BCОх o3 хigle is 180

VX(7,6)1.38371248486/(7937)=Mc square²

5 0
2 years ago
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