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Dafna1 [17]
3 years ago
6

A new notebook computer with DVD player cost $808 Derek muller has $969 in his checking account how much will be left in his che

cking account after he buys the notebook computer
Mathematics
2 answers:
Gre4nikov [31]3 years ago
7 0

Answer: $161

Step-by-step explanation: Subtract $808 from $969

Rudik [331]3 years ago
6 0

Answer: he will have $161 in his account after he buys the computer and dvd player.

Step-by-step explanation:

First, do 969-808 and you simply get 161 as your answer

So, for this problem you are simply subtracting

* brainliest answer this plz....

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The lateral surface area is _ square inches
lidiya [134]

Answer:

180

Step-by-step explanation:

3 0
2 years ago
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Write the function AG(X) representing the area of the garden in terms of x.
k0ka [10]

The area of this rectangle is x*y. But, this problem requires that you represent the variable "y" in terms of "x" only.

A hint here is that the variable "y" represent a point on the line that connects the end points (0,b) and (a,0).

The first step to solve this problem is to get the expression of this line.

The slope of this line is:   m = (0 - b)/(a - 0) = -b/a

Because the point (x,y) is on this line we have:   y - b = m(x - 0)

                                                                      y = (-b/a)x + b

Solution: Area of the rectangle = x*y = x*((-b/a)x + b) = (-b/a)x2 +bx

6 0
3 years ago
4m – 3(m + 1) – 4 < 0
m_a_m_a [10]

Answer:1m-7<0

Step-by-step explanation:

4m-3m-3-4

1m-7<0

8 0
3 years ago
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
What are the values for the coefficients and constant term of 2 + 3x² - 5x?<br> a=<br> B=<br> C=
Aleks [24]

Answer:

a=3

b=-5

c=2

Step-by-step explanation:

Because first arrange them in decreasing order by their variables powers like this 3x²-5x+2 after that take the the coefficients

5 0
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