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lana [24]
3 years ago
15

What is 1.7 repeating expressed as a fraction in simplest form?

Mathematics
2 answers:
Nuetrik [128]3 years ago
7 0
It is B, since it is B
GalinKa [24]3 years ago
4 0

Answer:

Its 16/7

Step-by-step explanation:

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A model rocket is launched from the ground with an initial velocity of 160 ft/sec. how long will it take the rocket to reach its
timama [110]
The formula we need is
h(t)=-16t^2+v_0 t+h_0, where <em>v</em>₀ is the starting velocity and <em>h</em>₀ is the initial height.  Using the velocity and starting height from our problem we have
h(t)=-16t^2+160t+0.  The path of this rocket will be a downward facing parabola, so there will be a maximum.  This maximum will be at the vertex of the graph.  To find the vertex we start out with x= \frac{-b}{2a}, which in our case is x= \frac{-160}{2(-16)}= \frac{-160}{-32} = 5.  It will take 5 seconds for the rocket to reach its maximum height.  Plugging this back into our formula gives us
h(5)=-16(5^2)+160(5)+0&#10;\\=-16(25)+800&#10;\\=-400+800=400
The rocket's maximum height is 400 feet.
We set our formula equal to zero to find the time it takes to hit the ground, then we factor:
0=-16t^2+160t+0&#10;\\0=-16t^2+160t&#10;\\0=-16t(t-10)
Using the zero product property, we know that either -16t =0 or t-10=0.  When -16t=0 is at t=0, when the rocket is launched. t-10=0 gives us an answer of t=10, so the rocket reaches the ground again at 10 seconds.
8 0
3 years ago
Hello, can any one help me? Please
cricket20 [7]

Answer:

d divided by 1/15 is o.75

Step-by-step explanation:

5 0
2 years ago
Solve the compound inequality: 3x ≤ 18 AND x + 4 &gt; 2
dedylja [7]
There must be a mistake in your question:
If 3 x ≤ 9, then : x ≤ 3  and : 
x + 4 > 2
x > 2 - 4
x > - 2
Answer: D) 
Solution set :  - 2 < x ≤ 3  
4 0
3 years ago
Read 2 more answers
What is 4(1-2b)+7b-10
shutvik [7]

Answer:

-6-b

Step-by-step explanation:

4(1-2b)+7b-10

Multiply what's in parantheses

4(1)=4

4(-2b)=-8b

4-8b+7b-10

Combine like terms

4-10 -8b+7b

-6-b

Hope this helps :)

6 0
2 years ago
Please I need help with this question
aliya0001 [1]
This is a function because each input has exactly one output ❤️
7 0
3 years ago
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