3 years ago

Can it perform algebra

Mathematics

1 answer:

Ronch [10]3 years ago

6 0

Can what perform algebra?

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Ksivusya [100]

Answer:

Step-by-step explanation:

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3 years ago

O is the midpoint of segment IU. If I is (-7, 2) and O is (5, -8), what are the coordinates of U?

vaieri [72.5K]

Answer:

(17 , -18)

Step-by-step explanation:

5 = (-7 + x) / 2

x = 17

-8 = (2 + y) / 2

y = -18

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3 years ago

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3 years ago

Peter has 3200 yards of fencing to enclose a rectangular area. Find the dimensions of the rectangle that maximize the enclosed a

salantis [7]

Answer:

$A = 640000\,yd^{2}$

Step-by-step explanation:

Expression for the rectangular area and perimeter are, respectively:

$A (x,y) = x\cdot y$

$3200\,yd = 2\cdot (x+y)$

After some algebraic manipulation, area expression can be reduce to an one-variable form:

$y = 1600 -x$

$A (x) = x\cdot (1600-x)$

The first derivative of the previous equation is:

$\frac{dA}{dx}= 1600-2\cdot x$

Let the expression be equalized to zero:

$1600-2\cdot x=0$

$x = 800$

The second derivative is:

$\frac{d^{2}A}{dx^{2}} = -2$

According to the Second Derivative Test, the critical value found in previous steps is a maximum. Then:

$y = 800$

The maximum area is:

$A = (800\,yd)\cdot (800\,yd)$

$A = 640000\,yd^{2}$

8 0

3 years ago

Read 2 more answers

What is the g.c.f of 18x15

babunello [35]

Answer:

Step-by-step explanation:

List all possible factors of each number. The GCF will be the largest number they both share

Factors of 18: 1, 2, 3, 6, 18

Factors of 15: 1, 3, 5, 15

The largest number they both share is 3, so that is the GCF

4 0

3 years ago