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2 years ago

Please solve 4(3x-2)=52

Mathematics

1 answer:

Anton [14]2 years ago

3 0

Answer:

(12x-2 =53 ) (12x=53+2)(12X=55)(x=55/12)X=4.58

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Show that y=cos(t)y=cos(t) is a solution to (dydt)2=1−y2(dydt)2=1−y2. Enter your answers below in terms of the independent varia

GrogVix [38]

Answer:

$(\frac{dy}{dt})^2=sin^2t$

Step-by-step explanation:

$y=cost$

DE : $(\frac{dy}{dt})^2=1-y^2$

If y is a solution of given DE then it satisfied the DE.

Differentiate w.r.t t

$\frac{dy}{dt}=-sint$

Using the formula

$\frac{d(cosx)}{dx}=-sinx$

LHS: $(\frac{dy}{dt})^2=(-sint)^2=sin^2t$

RHS

$1-y^2=1-cos^2t=sin^2t$

By using the formula

$sin^2t=1-cos^2t$

LHS=RHs

Hence, y is a solution of given DE

$(\frac{dy}{dt})^2=sin^2t$

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2 years ago

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sweet-ann [11.9K]

Answer:

Tooth Paste

Step-by-step explanation:

Best guess

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2 years ago

What is a sector of a circle? What is the area for the sector's formula?

tatyana61 [14]

A sector of a circle is the portion of a disk enclosed by two radii and an arc, where the smaller area is known as the minor sector and the larger being the major sector.
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2 years ago

Factor k^2 +3x-10 .....

Svetach [21]

Answer:

I think you mean: x^2 + 3x - 10, then

x^2 + 3x - 10

= x^2 + 5x - 2x - 10

=x(x + 5) - 2(x + 5)

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Hope this helps!

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3 years ago

A welder is making a metal sphere the radius will be 115 cm what is the surface area of the metal sphere use 3.14 for

Maslowich

Answer:

166,106

Step-by-step explanation:

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3 years ago