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Natali5045456 [20]
3 years ago
7

What is 6 3/8 written as a decimal?

Mathematics
2 answers:
Anni [7]3 years ago
7 0

Answer:

6.375

Step-by-step explanation:

Salsk061 [2.6K]3 years ago
5 0
3/8 as a decimal will be 0.375
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50 POINTS
Marina86 [1]

vi is going in the positive direction (up). (That's my choice). a (acceleration) is going in the minus direction (down). The directions could be reversed.

Givens

vi = 160 ft/s

vf = 0 (the rocket stops at the maximum height.)

a = - 9.81 m/s

t = ????

Remark

YOu have 4 parameters between the givens and what you want to solve. Only 1 equation will relate those 4. Always always list your givens with these problems so you can pick the right equation.

Equation

a = (vf - vi)/t

Solve

- 32 = (0 - 160)/t Multiply both sides by t

-32 * t = - 160 Divide by -32

t = - 160/-32

t = 5

You will also need to solve for the height to answer part B

t = 5

vi = 160 m/s

a = - 32

d = ???

d = vi*t + 1/2 a t^2

d = 160*5 + 1/2 * - 32 * 5^2

d = 800 - 400

d = 400 feet

Part B

You are at the maximum height. vi is 0 this time because you are starting to descend.

vi = 0

a = 32 m/s^2

d = 400 feet

t = ??

formula

d = vi*t + 1/2 a t^2

400 = 0 + 1/2 * 32 * t^2

400 = 16 * t^2

400/16 = t^2

t^2 = 25

t = 5 sec

The free fall takes the same amount of time to come down as it did to go up. Sort of an amazing result.

6 0
3 years ago
Which mixed number is equivalent to this decimal?  8.00027  
bearhunter [10]
Is that even a number

4 0
3 years ago
Read 2 more answers
Left f(x)=|x| and g(x)=x+2. what are the domain and range of (f°g)(x)
mr_godi [17]

Answer:

(fog)(x)=|x+2|

Dom_{fog} = R

Range_{fog}=[0,\infty)

Step-by-step explanation:

5 0
3 years ago
A soap factory randomly inspects 100 bars of soap to better identify problems that occur during the manufacturing
Mekhanik [1.2K]

Answer:

idk

Step-by-step explanation:

sorry

8 0
3 years ago
Read 2 more answers
Solve 9x^2- 17x- 85 = 0 Give your solutions correct to 3 significant figures.​
dybincka [34]

Answer:

x =\frac{17}{18} +\frac{1}{18} \sqrt{3349} OR x =\frac{17}{18} +\frac{-1}{18} \sqrt{3349}

Step-by-step explanation:

9x2−17x−85=0

For this equation: a=9, b=-17, c=-85

9x2+−17x+−85=0

Step 1: Use quadratic formula with a=9, b=-17, c=-85.

x =\frac{-b + \sqrt{b^{2}-4ac } }{2a}

x  =\frac{-(-17)+\sqrt{(-17)^{2} -4(9)(-85)} }{2(9)}

x =\frac{17}{18} +\frac{-1}{18} \sqrt{3349}

4 0
2 years ago
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