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OLga [1]
3 years ago
15

The express the area of the entire rectangle

Mathematics
1 answer:
Sveta_85 [38]3 years ago
3 0

Answer:

The area of the entire rectangle, in standard form, is

x² + 9x + 8

Step-by-step explanation:

Area of the entire rectangle:

area = width * length

area = (x+1)(x+8)

        = x*x  + x*8 + 1*x + 1*8

        = x² + 8x + 1x + 8

        = x² + 9x+ 8

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C) Which of these numbers is a square number?
olasank [31]

Answer:

i think b

Step-by-step explanation:

9=3^2 and 10^4=(10^2)2

5 0
3 years ago
What is the period of the function f(x)=sin(x/3) ?
vitfil [10]
<h3>Answer: 6pi radians</h3>

(this is equivalent to 1080 degrees)

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

Explanation:

f(x) = sin(x/3)

is the same as

f(x) = 1*sin( (1/3)(x-0) )+0

and that is in the form

f(x) = A*sin( B(x-C) )+D

The letters A,B,C,D are explained below

A = helps find the amplitude

B = 2pi/T, where T is the period

C = determines phase shift (aka left/right shifting)

D = determines vertical shift = midline

All we care about is the value of B as that is the only thing that is connected to the period T

--------

Compare f(x) = 1*sin( (1/3)(x-0) )+0 with f(x) = A*sin( B(x-C) )+D and we see that B = 1/3, so,

B = 2pi/T

1/3 = 2pi/T

1*T = 3*2pi ... cross multiply

T = 6pi

The period is 6pi radians. This is equivalent to 1080 degrees. To convert from radians to degrees, you multiply by (180/pi).

6 0
3 years ago
what is the solution to the equation fraction 1 over 6x = 2? x = fraction 1 over 12 x = fraction 1 over 3 x = 3 x = 12
hram777 [196]
1/6x = 2.....multiply both sides by the reciprocal 6/1
(6/1)(1/6)x = 2(6/1)
1x or just x = 12
6 0
4 years ago
Read 2 more answers
HELP ME PLEASE !!!!!!
koban [17]

Answer:

13.08

Step-by-step explanation:

Step 1: find the sum of all numbers

= 104.65

Step 2: divide by how many values there are

=8

Step 3: solve

104.65 ÷ 8 = 13.08125....

Step 4: round to the hundredths place

= about 13.08

5 0
3 years ago
Read 2 more answers
Select all the options below that correctly fill in the blank. A ____ is a subcategory of polygon.
yaroslaw [1]

Answer:

triangle is a subcategory of polygon

6 0
3 years ago
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