Determine the domain and range o

Evaluate |-a 2 ), given a = 5, b = -3, and c = -2. 25 -25 -10 10

Temka [501]

Answer:

1-a2

1-5x2

-4x2= -8

Step-by-step explanation:

8 0

2 years ago

Which term best describes the expression 2x + 2dy−3?

Margarita [4]

Answer:

the term is separated by minus (-) and plus (+) .

therefore this term is trinomial.

7 0

2 years ago

Read 2 more answers

A fence is to be built to enclose a rectangular area of 1800 square feet. The fence along three sides is to be made of material

drek231 [11]

Answer:

length = 60 foot, width = 30 foot

Step-by-step explanation:

Area of rectangular part, A = 1800 ft²

Cost of fencing three sides is $ 6 per foot and cost of one side fencing is $18 per foot.

Let the length of the rectangle is l and the width of the rectangle is W.

Area = Length x width

A = L x W

1800 = L x W ...... (1)

Total cost of fencing, C = 6 x ( L + W + L) + 18 x W

C = 6 (2L + W) + 18 W

C = 12 L + 24 W

Substitute the value of W from equation (1), $W=\frac{1800}{L}$ in equation (2)

$C=12L+24\times \frac{1800}{L}$

$C=12L+\frac{43200}{L}$

Differentiate both sides with respect to L:

$\frac{dC}{dL}=12-\frac{43200}{L^{2}}$

Put it equal to zero for maxima and minima

$12-\frac{43200}{L^{2}}=0$

L = 60 foot

and W = 30 foot

So, the costing is minimum for length = 60 foot and the width = 30 foot.

4 0

2 years ago

What is the volume of a cylinder with a base of 24 meters and a height of 6 meters

serg [7]

Answer:

Volume = 2714.34

Step-by-step explanation:

This is answer because the formula to finding cylinder volume is: $\pi$ $r^{2}$ h

Radius = $\frac{Diameter or Base}{2}$

Radius = 12

12 squared = 144

144*6 = 864

864 $\pi$ = 2714.34 (rounded)

5 0

1 year ago

1) Which diagram shows the correct construction of a line parallel to line l and passing through point P?

kherson [118]

1)To construct a line parallel to line l and passing through point P our first step is to join the point and line and then draw angles in such a way so that corresponding angles are equal.

Option B is the correct construction of a line parallel to line l and passing through point P.

2) To Construct the perpendicular line to line DE at point F we cut an arc from point F to line DE in such a way it cuts line DE at two points .From these two points we draw arcs which cut each other .

Option C is the correct option to Construct the perpendicular line to line DE at point F.

3) To Construct a perpendicular from the given line segment that passes through the given point we cut two arcs on top and bottom of line segment.

Option B is the right answer.

3 0

2 years ago