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pav-90 [236]
3 years ago
12

Calculate the height of the rocket 3 seconds after it was launched. h=-5t^2+23t+10

Mathematics
1 answer:
nika2105 [10]3 years ago
3 0

Answer:

34 meters

Step-by-step explanation:

h

=

−

5

t

2

+

23

t

+

10

At

t

=

3

, height of the rocket will be

−

5

⋅

3

2

+

23

⋅

3

+

10

=

−

45

+

69

+

10

=

34

meters.

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What is the value of the expression “three less than the quotient of ten and a number, increased by six” when n = 2?
alisha [4.7K]

Answer:

8

Step-by-step explanation:

The given expression is "three less than the quotient of ten and a number, increased by six”

The quotient of ten and a number increased by six is translated into mathematical expression as:

\frac{10}{n}+6

Three less than the quotient of ten and a number, increased by six is

(\frac{10}{n}+6)-3

When we substitute n=2, we get:

(\frac{10}{2}+6)-3

Divide to get:

(5+6)-3

Add to get:

11-3

Subtract

8

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Answer:

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Step-by-step explanation:

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The degree of the polynomial function f(x) is 4.
Leto [7]

See the graph below

<h2>Explanation:</h2><h2></h2>

A polynomial function whose degree is 4 is given by the form:

f(x)=ax^4+bx^3+cx^2+dx+e \\ \\ Or: \\ \\ f(x)=a(x-x_{1})(x-x_{2})(x-x_{3})(x-x_{4}) \\ \\ \\ Where: \\ \\ x_{1},x_{2},x_{3} \ and \ x_{4} \ are \ the \ roots

Here the roots are:

x_{1}=-8 \\ \\ x_{2}=-5 \\ \\ x_{3}=1 \\ \\ x_{4}=2

If we set a=1 then:

f(x)=(x+8)(x+5)(x-1)(x-2)

Finally, by using graphing tool we get the graph of our polynomial function:

<h2>Learn more:</h2>

Parabola: brainly.com/question/10618210

#LearnWithBrainly

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