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finlep [7]
3 years ago
12

Given h(x) = x^2-4/2, find h(-8)

Mathematics
1 answer:
vlada-n [284]3 years ago
7 0

Answer:

62

Step-by-step explanation:

(-8)^2-2

64-2 = 62

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3. A rocket is launched vertically from the ground with an initial velocity of 64 ft/sec.
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Answer:

A) Quadratic function representing the height of the...

4 0
3 years ago
Find the length of a rectangular lot with a perimeter of 120 meters if the length is 6 meters more than the width
Vladimir79 [104]

Answer:

The length is 33 and the Width is 27.

Step-by-step explanation:

So I made it easier by only looking at half of the rectangle. 120 divided by 2 is 60. So out of the length and width, it had to add to equal 60. I plugged in a few numbers and determined 27 and 33. SO, if you add those together it equals 60 while 33 is 6 more meters than 27 and two 27 and two 33 equals 120 for the whole rectangle

5 0
3 years ago
Find the rational roots f(x) =3x3+ 2x2 + 3x + 6
Ann [662]

The rational roots of f(x) = 3x^3 + 2x^2 + 3x + 6 are ±(1, 2, 3, 6, 1/3, 2/3)

<h3>How to determine the rational root of the function f(x)?</h3>

The function is given as:

f(x) = 3x^3 + 2x^2 + 3x + 6

For a function P(x) such that

P(x) = ax^n +...... + b

The rational roots of the function p(x) are

Rational roots = ± Possible factors of b/Possible factors of a

In the function f(x), we have:

a = 3

b = 6

The factors of 3 and 6 are

a = 1 and 3

b = 1, 2, 3 and 6

So, we have:

Rational roots = ±(1, 2, 3, 6)/(1, 3)

Split the expression

Rational roots = ±(1, 2, 3, 6)/1 and ±(1, 2, 3, 6)/3

Evaluate the quotient

Rational roots = ±(1, 2, 3, 6, 1/3, 2/3, 1, 2)

Remove the repetition

Rational roots = ±(1, 2, 3, 6, 1/3, 2/3)

Hence, the rational roots of f(x) = 3x^3 + 2x^2 + 3x + 6 are ±(1, 2, 3, 6, 1/3, 2/3)

The complete parameters are:

The function is given as:

f(x) = 3x^3 + 2x^2 + 3x + 6

The rational roots of f(x) = 3x^3 + 2x^2 + 3x + 6 are ±(1, 2, 3, 6, 1/3, 2/3)

Read more about rational roots at

brainly.com/question/17754398

#SPJ1

4 0
2 years ago
Evaluate 32 + (5 − 2) ⋅ 4 − 6 over 3.
Feliz [49]
We Need To Use Order Of Operations. 

5-2 = 3.

32+3 * 4 - 6
-----------------
        3

3*4 = 12

32 + 12 - 6
---------------
        3

32+12 = 44.

44 - 6

38
---  = 12 and 2/3
 3

So, This Expression Is Equal To 12 and 2/3
6 0
3 years ago
5.)<br> A.) 1/ csc 36°<br> B.) csc 36°<br> C.) 1/ tan 36°<br> D.) cos 36°<br> E.) tan 36°
erastovalidia [21]

Answer:

B.) csc \ 36\°

Step-by-step explanation:

Given:

\frac{1}{sin\ 36\°}

We need to rewrite the given expression as single trigonometric function.

Now According to reciprocal Identities given:

sin\theta =\frac{1}{csc\theta}

Also Given;

csc\theta = \frac{1}{sin\theta}

Sow when sin\ 36\°= \frac{1}{csc\ 36\°}

and when \frac{1}{sin\ 36\°}= csc\ 36\°

Hence the Single trigonometric function is  \frac{1}{sin36\°}= csc\ 36\°.

6 0
3 years ago
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