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Tju [1.3M]
3 years ago
13

A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by th

e given equation. Using this equation, find out the time at which the rocket will reach its max, to the nearest 100th of a second. y=-16x^2+193x+128
Mathematics
1 answer:
Alex_Xolod [135]3 years ago
4 0

Answer:

14.52 seconds.

Step-by-step explanation:

We have been given that the height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation

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I need to convert 637miles into kilometers but I can’t remember how to.
Nataly_w [17]

Answer:

1025.15

Step-by-step explanation:

1 mile=1.609 kilometers

8 0
3 years ago
One dieter in a weight loss contest weighed 149 pounds after 8 weeks on his diet. By week 13, he weighed 134 pounds. What is his
Marianna [84]
To find the average, divide change in weight by change in weeks. 
(149-134)/(8-13)
You should get a negative number, because he loses weight. 
4 0
4 years ago
A twelve-sided die with sides labeled through will be rolled once. Each number is equally likely to be rolled. What is the proba
FromTheMoon [43]

<em>Complete Question:</em>

<em>A twelve-sided die with sides labeled 1 through 12 will be rolled once. Each number is equally likely to be rolled, what is the probability of rolling a number greater than 10?</em>

Answer:

P(T) = \frac{1}{6}

Step-by-step explanation:

Given

Number of Sides = 12

Required

Probability of obtaining a side greater than 10

We start by listing out the sample space;

S = \{1,2,3,4,5,6,7,8,9,10,11,12\}

n(S) = 12

Next, we list out digits greater than 10; Represent this with T

T = \{11,12\}

n(T) = 2

Probability of T is calculated as follows;

P(T) = \frac{n(T)}{n(S)}

P(T) = \frac{2}{12}

Divide the numerator and denominator by 2

P(T) = \frac{1}{6}

<em>Hence, the required probability is </em>\frac{1}{6}<em />

8 0
3 years ago
Tim wants to collect 400 stickers. if he makes pages of 10, how will he know when he has 400 stickers?
amid [387]
When al of the 10 pages are filled with 40 stickers
7 0
3 years ago
Read 2 more answers
HELPPPPPPP this is due tonight!!!
natita [175]

Given:

The equation is:

4x+1+x+3=-11

To find:

The solution for the given equation.

Solution:

We have,

4x+1+x+3=-11

The solution of the given equation with reasons is shown below:

Statement                                     Reason

(1) 4x+x+1+3=-11          (1) Commutative property of addition

(2) (4+1)x+4=-11             (2) Distributive property of multiplication under

    5x+4=-11                            addition

(3) 5x+4-4=-11-4         (3) Subtraction property of equality

    5x=-15

(4) \dfrac{1}{5}\cdot 5x=\dfrac{1}{5}\cdot (-15)               (4) Multiplication property of equality

   x=-3

Therefore, the solution for the given equation is x=-3.

5 0
3 years ago
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