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il63 [147K]
3 years ago
10

The path of a launched missile can be modeled by a quadratic function. Explain how you would use the function to determine the g

reatest height the rocket reaches and the horizontal distance it travels before reaching the ground. Please answer in complete sentences
Mathematics
1 answer:
abruzzese [7]3 years ago
5 0

Step-by-step explanation:

For a quadratic y = ax² + bx + c, where y is the height and x is horizontal distance, the highest point is at x = -b / (2a).  The horizontal distance it travels before landing is the x-intercept.

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Answer:

a) The stop sign is a regular octagon, so the measure of ∠F must be 67.5°. What is the angle measure for ∠L? Describe the relationship between ∠F and ∠L. (1 point)

Angle L is 67.5 degrees. Angles F and L are opposite each other, yet the same angle-degree. Hope this helps <3

Step-by-step explanation:

5 0
2 years ago
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You roll 2 dice and flip a coin. What's the probability of getting two 4's and a tails?
zubka84 [21]

Answer:

2/4

Step-by-step explanation:

7 0
3 years ago
An IMAX movie ticket cost $16. You have $50. Write an inequality to represent the number of IMAX movie tickets, t, you can buy.
Hunter-Best [27]

Answer:

t <u>> 3</u>

Step-by-step explanation:

because 16 x 3 = 48 so you can buy 0 - 3 tickets

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2 years ago
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X^2+4x+20=12x-5<br><br> Solve this equation
Scrat [10]

Answer:

4 + (or -) 3i

Step-by-step explanation:

Hi!

Alright, so we're going to move all of the variables and constants to one side. Then, using the quadratic formula, we'll find the answer.

1. Move 12x-5 to the left side of the equation by

  a. Subtracting 12x from both sides

  b. adding 5 to both sides.

1: x^2+4x+20-12x+5

2. Group the common terms

  x^2+4x-12x+20+5 --> x^2-8x+25

3. Look at the problem. We can't factor this.

Explanation for why this isn't factorable (you can skip this)

(1) 25 is positive, so its two factors will both be either positive or negative. We're looking for a negative 8, so let's go with negative.

(2) Factors of 25: 1 & 25, 5 &5

Seeing the problem? Ya, none of the factors of 25 sum to eight. So, instead, we're going to use the quadratic formula.

4.  So, the quadratic formula: \frac{-b+-\sqrt{b^2-4ac} }{2a}

Our equation is x^2-8x+25=0

a is the constant in front of the x^2

b is the constant in front of the x

c is the term without any x values

so, a=1, b=-8, and c= 25

Into equation:

\frac{8+-\sqrt{64-4(1)(25)} }{2a}=\frac{8+-\sqrt{64-100} }{2}=\frac{8+-\sqrt{-36} }{2}

8/2 = 4

sqrt(-36) = 6i

6i/2 = 3i (remember, we still have the two in the denominator)

4 + (or -) 3i

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2 years ago
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Please I need help with this and show your steps
krek1111 [17]
Here you go! Hope this helps!

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2 years ago
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