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Feliz [49]
2 years ago
9

Helphelphelphelphelphelphelphelphelphelphelphelphelphelphelphelpvv

Mathematics
2 answers:
ivann1987 [24]2 years ago
8 0

Answer:

I think the answer is B) 4.7

Step-by-step explanation:

just to let you know I maybe wrong.

Sophie [7]2 years ago
3 0

Answer:

4.4

Step-by-step explanation:

4.4

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If an object is launched at an angle of 28° with an initial velocity of 133 ft./s from a height of 6 feet how many seconds will
Tema [17]

Answer:

Hence after  3.98 sec  i.e  4 sec Object will hit the ground  .

Step-by-step explanation:

Given:

Height= 6 feet

Angle =28 degrees.

V=133 ft/sec

To Find:

Time in seconds after which it will hit the ground?

Solution:

<em>This problem is related to projectile motion for objec</em>t

First calculate the Range for object  and it is given by ,

R=v^2Sin(2Ф)/g

Here R= range  g= acceleration due to gravity =9.8 m/sec^2

1m =3.2 feet

So 9.8 m, equals to 9.8 *3.2=31.36 ft

So g=31.36 ft/sec^2. and 2Ф=2(28)=56

R=133^2*Sin(56)/31.36

R=14664.84/31.36

R=467.62  fts

Now using Formula for time and range as

R=VxT

Vx is horizontal velocity

Vx=V*cosФ

Vx=133*cos(28)

Vx=117.43  ft/sec

So above equation becomes as ,

467.62=117.43*T

T=467.62/117.43

T=3.98 sec

T is approximately equals to 4 sec.

4 0
3 years ago
At a particular music store, CDs are on sale at $14.00 for the first one purchased and $12.00 for each additional disc purchased
devlian [24]
8 cd this is the answer
3 0
3 years ago
Read 2 more answers
Does the function satisfy the hypotheses of the Mean Value Theorem on the given interval? f(x) = 3x2 − 2x + 1, [0, 2] Yes, it do
expeople1 [14]

Answer:

Yes , function is continuous in [0,2] and is differentiable (0,2) since polynomial function are continuous and differentiable

Step-by-step explanation:

We are given the Function

f(x) =3x^2 -2x +1

The two basic hypothesis of the mean valued theorem are

  • The function should be continuous in [0,2]
  • The function should be differentiable in (1,2)

upon checking the condition stated above on the given function

f(x) is continuous in the interval [0,2] as the functions is quadratic and we  can conclude that from its graph

also the f(x) is differentiable in (0,2)

f'(x) = 6x - 2

Now the function satisfies both the conditions

so applying MVT

6x-2 = f(2) - f(0) / 2-0

6x-2 = 9 - 1 /2

6x-2 = 4

6x=6

x=1

so this is the tangent line for this given function.

   

4 0
2 years ago
What whole number come before 105
ZanzabumX [31]
The whole number that comes before 105 is 104.

However, it is not the only whole number that comes before 105.

Whole numbers are identified as natural number and zero (0). Meaning the whole number starts with 0 then followed by 1,2,3,4.... so on. Whole numbers are positive numbers without remainders nor fractions.

Whole number that come before 105 range from 0 to 104.

Natural numbers are also called counting numbers; They start with 1. Zero is not a natural number because it cannot be counted.

Integers are numbers which can be positive or negative and it includes zero.


6 0
3 years ago
Read 2 more answers
An Item , Which Is Regularly $4.60 , Is On Sale For One-Fourth Off. What Is The Sale Price?
vova2212 [387]
1/4 = .25
4.60 x .25 = 1.15
4.60 - 1.15 = 3.45

3.45$ is your answer.
5 0
3 years ago
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