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Naily [24]
2 years ago
10

8.5- __= 7.15 in words: 85 minus blank equals 7.15

Mathematics
2 answers:
worty [1.4K]2 years ago
7 0

Answer:2.15

Step-by-step explanation:

5-x=7.15

5-7.15=x

x=2.15

The blank space is 2.15

Phoenix [80]2 years ago
3 0

Answer:

Concept: Numerical Understanding

  1. First off its eight point five minus blank equals seven point fifteen
  2. The missing variable is a number that sums to 7.15
  3. Instinctively you could rearrange or see the value missing is 1.35
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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
Please help me if you can​
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