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guajiro [1.7K]
3 years ago
14

H=vt+1/2gt^2 solving for G GIVING BRAINLISEST

Mathematics
2 answers:
ololo11 [35]3 years ago
8 0

Answer:

g=\frac{2h}{t^2}-\frac{2v}{t}

Step-by-step explanation:

So we have the equation:

h=vt+\frac{1}{2}gt^2

And we want to solve for g.

First, isolate g. To do so, subtract vt from both sides:

h-vt=\frac{1}{2}gt^2

Multiply both sides by 2:

2h-2vt=gt^2

Now, divide both sides by t^2:

g=\frac{2h-2vt}{t^2}

Expand:

g=\frac{2h}{t^2}-\frac{2vt}{t^2}

Simplify the second term:

g=\frac{2h}{t^2}-\frac{2v}{t}

And we're done!

Ne4ueva [31]3 years ago
6 0

Answer:

g = \frac{2(h - vt)}{t^2}

Step-by-step explanation:

Given

h = vt + \frac{1}{2} gt² ( subtract vt from both sides )

h - vt = \frac{1}{2} gt² ( multiply both sides by 2 to clear the fraction )

2(h - vt) = gt² ( divide both sides by t² )

\frac{2(h-vt)}{t^2} = g

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Consider the following table that describes the mass of a kitten as weeks go by. If you know the kitten grows by 10% each week f
RUDIKE [14]

Answer:

Week                   Mass  (gram)

(start)                    80

   1                         88  

   2                        96.8

   3                         106.48

   4                          117.128

Step-by-step explanation:

From the question we are told that

   The  mass of the kitten at the start week  is  m  =  80 g

   The rate at which the kitten grows is  r  =  0.10

Generally the mass of the kitten at the first  week is mathematically represented as  

    m_1 = ( r *  m)  + m

=>m_1 = ( 0.10 *  80 )  + 80      

=>m_1 = 88 \ g      

Generally the mass of the kitten at the second week is mathematically represented as  

     m_2 = ( r *  m_1)  + m_1

=>m_2 = ( 0.10 *  88 )  + 88      

=>m_2 = 96.8 \ g      

Generally the mass of the kitten at the third  week is mathematically represented as  

     m_3 = ( r *  m_2)  + m_2

=>m_3 = ( 0.10 *  96.8)  + 96.8      

=>m_3 = 106.48  \ g      

Generally the mass of the kitten at the fourth  week is mathematically represented as  

     m_4 = ( r *  m_3)  + m_2

=>m_4 = ( 0.10 *  106.48)  + 106.48      

=>m_4 = 117.128  \ g              

Week                   Mass  (gram)

(start)                    80

   1                        88  

    2                      96.8

    3                      106.48

   4                        117.128

 

3 0
4 years ago
The city is planning to add a fish pond to a neighborhood park. The figure below is a drawing of the fish pond. Its scale is 1/2
faust18 [17]

Answer:

Part a) The area of the actual fish pond is 2,956.50\ ft^{2}

Part b) The length of the fence will be 244.20\ ft

Step-by-step explanation:

we know that

The scale drawing is

\frac{(1/2)}{15}\frac{in}{ft}=\frac{1}{30}\frac{in}{ft}

step 1

Find the actual dimensions of the fish pond

To find the actual dimensions divide the measure of the drawing by the scale drawing

0.5\ in=0.5/(1/30)=15\ ft

1\ in=1/(1/30)=30\ ft

2.5\ in=2.5/(1/30)=75\ ft

step 2

Find the area of the actual fish pond

The area of the fish pond is equal to the area of a circle p[lus the area of rectangle

A=\pi r^{2} +bh

we have

r=15\ ft

b=75\ ft

h=30\ ft

substitute

A=(3.14)(15)^{2} +(75)(30)=2,956.50\ ft^{2}

step 3

Find the length of the fence around the entire fish pond

The perimeter of the fish pond is equal to the circumference of a complete circle plus the length of 75 ft two times

so

P=2\pir+2(75)

we have

r=15\ ft

substitute

P=2(3.14)(15)+2(75)=244.20\ ft

3 0
3 years ago
Which one is the right answers
Ratling [72]

Answer:

B

Step-by-step explanation:

n is the number of litres.

if you substitute 1 for 'n' then you will get :

C = 8 + 1.5(1)

C = $9.5

$9.50 for every litre

4 0
3 years ago
Read 2 more answers
Plz help its due tonight!!!!
Natalka [10]

Answer:

Domain is (infinity, infinity) so it would hit every single number of x. The range which is y would be greater than or equal to -3. Range starts at -3 and hits every number above that.

8 0
3 years ago
Wendy's hair was 45 cm long. She got 19% cut off. How long is her hair now?
Ira Lisetskai [31]

Answer:

36.45 cm

Step-by-step explanation:

You can automatically assume that if it was 20% cut off, Wendy's hair would've been 36 cm.  Multiply 45 by 0.19 to get 8.55 since that is how much Wendy's hair is being cut off.  Subtract that number from 45 to get your final answer which is 36.45 cm.

5 0
3 years ago
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