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Elis [28]
2 years ago
11

Find the area, no need to explain, need this quick!!

Mathematics
2 answers:
SpyIntel [72]2 years ago
6 0

Answer:

128.5m

Step-by-step explanation:

103.5+15+110=128.5

maksim [4K]2 years ago
5 0

Answer:

A = 201.5 m2

Step-by-step explanation:

A=76.5+65+60=201.5

Hope this helps

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The function f(x) = x3 – 8x2 + x + 42 has zeros located at 7, –2, 3. Verify the zeros of f(x) and explain how you verified them.
xeze [42]

Answer:

  • zeros are {-2, 3, 7} as verified by graphing
  • end behavior: f(x) tends toward infinity with the same sign as x

Step-by-step explanation:

A graphing calculator makes finding or verifying the zeros of a polynomial function as simple as typing the function into the input box.

<h3>Zeros</h3>

The attachment shows the function zeros to be x ∈ {-2, 3, 7}, as required.

<h3>End behavior</h3>

The leading coefficient of this odd-degree polynomial is positive, so the value of f(x) tends toward infinity of the same sign as x when the magnitude of x tends toward infinity.

  • x → -∞; f(x) → -∞
  • x → ∞; f(x) → ∞

__

<em>Additional comment</em>

The function is entered in the graphing calculator input box in "Horner form," which is also a convenient form for hand-evaluation of the function.

We know the x^2 coefficient is the opposite of the sum of the zeros:

  -(7 +(-2) +3) = -8 . . . . x^2 coefficient

And we know the constant is the opposite of the product of the zeros:

  -(7)(-2)(3) = 42 . . . . . constant

These checks lend further confidence that the zeros are those given.

(The constant is the opposite of the product of zeros only for odd-degree polynomials. For even-degree polynomials. the constant is the product of zeros.)

3 0
2 years ago
A roller coaster makes an angle of 52 degrees with the ground. The horizontal distance from the crest of the hill to the bottom
Ann [662]

Answer:

Step-by-step explanation:

Using soh cah toa

Sin=opp/hot

Sin 52°=h/121

h=sin52°×121

h=0.7880×121feet

h=95.348feet

4 0
3 years ago
kelli and her faimly went to the beach for a vacation. they drove 293 miles 7 hours to get theredid they drive each hour
Inessa [10]
Ok so, Since Kelli and her family drove a total of 293 miles in 7 hours, then your equation should be \frac{293miles}{7hrs} 
Now, since you have your ratio you divide 293 by 7 in order to get how many miles were driven in one hour
\frac{293}{7} = 41.85714286 miles/hr
5 0
3 years ago
Read 2 more answers
What is (7y+6x)(−7y-6x)
EleoNora [17]
See attache picture for answer

4 0
3 years ago
Is -55 a natural number, whole number, integers, or irrational numbers
Rainbow [258]
-55 is an integer.
It is not a whole number because it is negative.
It is not a natural number because it is not a whole number.
It is not irrational because it can be written as a fraction-\frac{55}{1}.
7 0
3 years ago
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