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romanna [79]
2 years ago
5

Study the steps used to solve the equation

Mathematics
1 answer:
svet-max [94.6K]2 years ago
8 0

Answer:

c = 24

Step-by-step explanation:

The given equation is :

\dfrac{c}{2}-5=7

Adding both sides by 5 both sides,

\dfrac{c}{2}-5+5=7+5\\\\\dfrac{c}{2}=12

Cross multiplying both sides,

c=2\times 12

c = 24

So, the value of c is 24.

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Who knows what pi(3.14)x-99.29?
MrMuchimi

Answer:

Pi also appears in the calculations to determine the area of an ellipse and in finding the radius, surface area, and volume of a sphere.  

Step-by-step explanation:

The number represented by pi (π) is used in calculations whenever something round (or nearly so) is involved, such as for circles, spheres, cylinders, cones, and ellipses. Its value is necessary to compute many important quantities about these shapes, such as understanding the relationship between a circle’s radius and its circumference and area (circumference=2πr; area=πr²).

Our world contains many round and near-round objects; finding the exact value of pi helps us build, manufacture, and work with them more accurately.

6 0
2 years ago
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What is the equation of the line in slope-intercept form? ​
ElenaW [278]

Answer:

y=1/2x-2

Step-by-step explanation:

RIse / run

find a point then go up one and right two to the next point which gives you 1/2

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6 0
2 years ago
Put the differential equation 9ty+ety′=yt2+81 into the form y′+p(t)y=g(t) and find p(t) and g(t). p(t)= help (formulas) g(t)= he
alexgriva [62]

Answer:

p(t) = \frac{9t^{3} + 729t  - 1}{e^{t}(t^{2} + 81) }

g(t) = 0

And

The differential equation 9ty + e^{t}y' = \frac{y}{t^{2} + 81 } is  linear and homogeneous

Step-by-step explanation:

Given that,

The differential equation is -

9ty + e^{t}y' = \frac{y}{t^{2} + 81 }

e^{t}y' + (9t - \frac{1}{t^{2} + 81 } )y = 0\\e^{t}y' + (\frac{9t(t^{2} + 81 ) - 1}{t^{2} + 81 } )y = 0\\e^{t}y' + (\frac{9t^{3} + 729t  - 1}{t^{2} + 81 } )y = 0\\y' + [\frac{9t^{3} + 729t  - 1}{e^{t}(t^{2} + 81) } ]y = 0

By comparing with y′+p(t)y=g(t), we get

p(t) = \frac{9t^{3} + 729t  - 1}{e^{t}(t^{2} + 81) }

g(t) = 0

And

The differential equation 9ty + e^{t}y' = \frac{y}{t^{2} + 81 } is  linear and homogeneous.

6 0
2 years ago
What is the answer to <br> 4 - 2 x = 3
jekas [21]

4-2x = 3

-2x = 3-4

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x = 1/2

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3 years ago
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slavikrds [6]
I can solve it?

take away 11 from both sides to make..
4x = 4
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2 years ago
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