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Makovka662 [10]
3 years ago
14

Match the graph of the equation: y=−6x2−12x−7

Mathematics
1 answer:
Vsevolod [243]3 years ago
8 0

Answer:

Step-by-step explanation:

What graph

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Determine whether a quadratic model exists for each set of values. If so, write the model.
zvonat [6]
 Yes, a quadratic model does exist and its equation is f(x)=4x^2
6 0
3 years ago
Can y’all help me on question six?!
Anna [14]

Answer:

c 2:1

Step-by-step explanation:

8/4=2

4/4=1

8:4 simplified is 2:1

3 0
2 years ago
The height of a ball thrown vertically upward from a rooftop is modelled by h(t)= -4.8t^2 + 19.9t +55.3 where h (t) is the balls
nikitadnepr [17]

By applying the <em>quadratic</em> formula and discriminant of the <em>quadratic</em> formula, we find that the <em>maximum</em> height of the ball is equal to 75.926 meters.

<h3>How to determine the maximum height of the ball</h3>

Herein we have a <em>quadratic</em> equation that models the height of a ball in time and the <em>maximum</em> height represents the vertex of the parabola, hence we must use the <em>quadratic</em> formula for the following expression:

- 4.8 · t² + 19.9 · t + (55.3 - h) = 0

The height of the ball is a maximum when the discriminant is equal to zero:

19.9² - 4 · (- 4.8) · (55.3 - h) = 0

396.01 + 19.2 · (55.3 - h) = 0

19.2 · (55.3 - h) = -396.01

55.3 - h = -20.626

h = 55.3 + 20.626

h = 75.926 m

By applying the <em>quadratic</em> formula and discriminant of the <em>quadratic</em> formula, we find that the <em>maximum</em> height of the ball is equal to 75.926 meters.

To learn more on quadratic equations: brainly.com/question/17177510

#SPJ1

6 0
1 year ago
Is 40% of a class are girls. and 25% of girls play tennis, what is the percent of the class play tennis?
ASHA 777 [7]

Answer: a. 10%

Step-by-step explanation:

Girls in the class = 40%

Girls play tennis = 25%

Percentage of class play tennis = 40%*25% = 0.4*0.25 = 0.1

Percentage of class play tennis = 10%

5 0
2 years ago
Read 2 more answers
-2 2/3, -5 1/3, -10 2/3, -21 1/3, -42 2/3, ... Which formula can be use to describe the sequence?
Vesna [10]
D. f(x+1)=2f(x)

f(x+1)=2(-2 2/3)=-5 1/3
f(x+1)=2(-5 1/3)=-10 2/3
f(x+1)=2(-10 2/3)=-21 1/3
f(x+1)=2(-21 1/3)=-42 2/3
5 0
3 years ago
Read 2 more answers
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