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2 years ago

12.54 greater than less than or equal to 1.254

Mathematics

2 answers:

Anna [14]2 years ago

8 0

12.54 Is greater than 1.254

12.54 > 1.254

Natalka [10]2 years ago

7 0

12.54 is greater than 1.254

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A. 0.1925 B.0.1575 C.0.2925 D.0.3575 HELP PLEASE!!!

Elena-2011 [213]

A, because:

Hardcover: 0.35
Buys hard cover and non-fiction: 0.35 x 0.55 = 0.1925

3 0

3 years ago

A concession stand at an athletic event is trying to determine how much to sell cola and iced tea for in order to maximize reven

Cerrena [4.2K]

Solution :

Demand for cola : 100 – 34x + 5y

Demand for cola : 50 + 3x – 16y

Therefore, total revenue :

x(100 – 34x + 5y) + y(50 + 3x – 16y)

R(x,y) = $100x-34x^2+5xy+50y+3xy-16y^2$

$R(x,y) = 100x-34x^2+8xy+50y-16y^2$

In order to maximize the revenue, set

$R_x=0, \ \ \ R_y=0$

$R_x=\frac{dR }{dx} = 100-68x+8y$

$R_x=0$

$68x-8y=100$ .............(i)

$R_y=\frac{dR }{dx} = 50-32x+8y$

$R_y=0$

$8x-32y=-50$ .............(ii)

Solving (i) and (ii),

4 x (i) ⇒ 272x - 32y = 400

(ii) ⇒ (-) 8x - 32y = -50

264x = 450

∴ $x=\frac{450}{264}=\frac{75}{44}$

$y=\frac{175}{88}$

So, x ≈ $ 1.70 and y = $ 1.99

R(1.70, 1.99) = $ 134.94

Thus, 1.70 dollars per cola

1.99 dollars per iced ted to maximize the revenue.

Maximum revenue = $ 134.94

4 0

2 years ago

How do I solve without s calculator?

baherus [9]

You could solve it ( without a graph) in 2 easy ways :

1 use the equation that you have written in pencil and solve for y

y=3=-x+4
y=-x +1

Or you could use the point slop form after you find the y intercept y=mx+b

-3=4(-1)+b
b= 1

So the answer would be y= -x +1

Hope this help of it does feel free to give the brainliest

5 0

2 years ago

Use the strategy of your choice to multiply the following expression.

Digiron [165]

Find answer showing detailed workings in the image

8 0

2 years ago

MULTIPLE CHOICE PLS ANSWER

zubka84 [21]

Answer:

Option.B

Step-by-step explanation:

Its because if you add these two angles you get a supplementary angle or 180°

Using this we can form an equation to find the value of x.

(Hope this answer helps :))

(And is this question from Khan Academy?)

5 0

2 years ago