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Ray Of Light [21]
2 years ago
6

2 Solve the equation 3x +125 = 49

Mathematics
1 answer:
Alex787 [66]2 years ago
8 0

Qustion:

3x +125 = 49

Answer:

x = - 25 1/3

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HELP PLZZZ!!!! What is the approximate area of a circular pond?
Georgia [21]

Answer:

<h2>B. 49,062.5 ft²</h2>

Step-by-step explanation:

The formula of an area of a circle:

A=\pi r^2

r - radius

We have the diameter d = 250 ft. We know: d = 2r.

Therefore r = 250 : 2 = 125 ft.

Substitute:

A=\pi(125)^2=15625\pi

\pi\approx3.14\to A=(15625)(3.14)=49062.5\ ft^2

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3 years ago
Calculator<br> 40%Increased in 360
yarga [219]

Answer:

504

Step-by-step explanation:

40%=.40

360*.40=144

original number + increase = x

360+144=504

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2 years ago
Ff is a trigonometric function of the form f(x)=a\sin(bx+c)+df(x)=asin(bx+c)+df, left parenthesis, x, right parenthesis, equals,
andriy [413]

The <em>trigonometric</em> function that represents the curve seen in the picture is f(x) = 4.5 · sin (π · x / 2 - π) - 6.5.

<h3>How to derive a sinusoidal expression</h3>

In this problem we need to find a <em>sinusoidal</em> expression that models the curve seen in the picture. The most typical <em>sinusoidal</em> model is described below:

f(x) = a · sin (b · x + c) + d    (1)

Where:

  • a - Amplitude
  • b - Angular frequency
  • c - Angular phase
  • d - Vertical midpoint

Now we proceed to find the value of each variable:

Amplitude

a = - 2 - (-6.5)

a = 4.5

Angular frequency

b = 2π / T, where T is the period.

0.25 · T = 4 - 3

T = 4

b = 2π / 4

b = π / 2

Midpoint

d = - 6.5

Angular phase

- 2 = 4.5 · sin (π · 4/2 + c) - 6.5

4.5 = 4.5 · sin (π · 4/2 + c)

1 = sin (2π + c)

π = 2π + c

c = - π

The <em>trigonometric</em> function that represents the curve seen in the picture is f(x) = 4.5 · sin (π · x / 2 - π) - 6.5.

To learn more on trigonometric functions: brainly.com/question/15706158

#SPJ1

3 0
1 year ago
How to find the area of a square and rectangle
garik1379 [7]

Step-by-step explanation:

Area of a square is: A= length x width or can be written as A= lw

Area of an rectangle is basically the same as the area of a square.

Hope that helps!

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2 years ago
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-Ok guys ik that this isn't a part of academic but i wanna say a story ... since i had 15 subs ive always wanted 100 .. like so
Nadya [2.5K]

Answer:

ok! keep up the good work!

Step-by-step explanation:

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