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3 years ago

FOLLOW DIRECTIONS PLEASE! WILL MARK BRAINLIEST! MORE QUESTIONS TO COME!

Mathematics

2 answers:

dexar [7]3 years ago

4 0

Answer:

A : is it increasing , decreasing and / or constant

Step-by-step explanation:

I think so

yarga [219]3 years ago

4 0

A) it is constant
B) x-intercept=2
C) y-intercept=4
D) absolute maximum is positive infinity
E) absolute minimum is negative infinity

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(2r - 6)(-5r+4) what is the product

Akimi4 [234]

Answer:

$-10r^{2} +38r-24$

Step-by-step explanation:

Apply FOIL method: $(a+b)(c+d)=ac+ad+bc+bd$

$a=2r,b=-6,c=-5r,d=4$

$=2r(5-r)+2r*4+(-6)(-5r)+(-6)*4$

Apply minus - plus rules

$+(-a)=-a,(-a)(-b)=ab$

$=-2*5rr+2*4r+6*5r-6*4$

Simplify

Multiply $-2*5rr=-10r^{2}$

$=-10r^{2} +2*4r+6*5r-6*4$

Multiply $2*4r=8r$

$=-10r^{2} +8r+6*5r-6*4$

Multiply $6*5r=30r$

$=-10r^{2} +8r+30r-6*4$

Combine like terms

$=-10r^{2} +38r-6*4$

Multiply $-6*4=-24$

$=-10r^{2} +38r-24$

$-10r^{2} +38r-24$

6 0

3 years ago

The equation for the cost in dollars of producing computer chips is y =.000015x^2-.03x+35. Where x is the number of chips produc

Anna35 [415]

In order to find the number of chips that would result in the minimum cost, we take the first derivative of the given equation. Note that the derivative refers to the slope of the graph at a given point. We can utilize this concept knowing that at the minimum or maximum point of a graph, the slope is zero.

Taking the derivative of the given equation and equating it to zero, we have:

y' = (0.000015)(2)x - (0.03)x° + 0
0 = (0.00003)x - 0.03

Solving for x or the number of chips produced, we have x = 1000. We then substitute this value in the given equation, such that,

y = (0.000015)(1000)² - (0.03)(1000) + 35

The minimized cost, y, to produce 1000 chips is then calculated to be $20.

6 0

3 years ago

The sum of two numbers is greater than either number ?

KonstantinChe [14]

N+n<8

is that what you are looking for?

4 0

3 years ago

2. Each of the bracelets that Veronica made has 45 beeds. Shemede 4 bracelets.

cluponka [151]

She used 180 beads because 45x4 =180

6 0

3 years ago