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Ira Lisetskai [31]
3 years ago
8

Evaluate the following expression.

Mathematics
1 answer:
Inessa [10]3 years ago
8 0
-5(-10)*-24-4
1. PEMDAS
2. (50)*-24-4
3. -1200-4
4. -1204

PEMDAS stands for: P. Parentheses, E. Exponents, M. Multiplication, D. Division, A. Addition, S. Subtraction.
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HELP PLEASE!!!
Marina CMI [18]

Answer:

The maximum profit of $  10277.32____ can be made when the selling price of the dog food is set to $ _34___ per bag.

Step-by-step explanation:

Profit = Revenue - Cost

P(x) = R(x) -C(x)

       = -31.72x^2 + 2,030x -( -126.96x + 26,391)

Distribute the minus sign

       = -31.72x^2 + 2,030x+126.96x - 26,391

 Combine like terms

      =   -31.72 x^2 + 2156.96 x - 26391

This is a parabola.  It is facing downwards.  The maximum profits is at the vertex ( where the max is)

vertex = h = -b/2a = -(2156.96)/(2*-31.72) = -2156.96/-63.44=34

Evaluate P(x) at x=34 to determine the profit

P(34) =  -31.72 (34)^2 + 2156.96 (34) - 26391

          -36668.32+73336.64-26391

          10277.32

8 0
3 years ago
Read 2 more answers
How many decimal places does an irrational number have?
Finger [1]
<span>An irrational number can be written as a decimal, but not as a fraction. An irrational number has endless non-repeating digits to the right of the decimal point.Hope this helps!!</span>
5 0
3 years ago
PPLLLLZZZZZ HHHEEELLLLPPPP
Phantasy [73]

Answer:

11 1/3 sq yards

Step-by-step explanation:

4 1/4 x 2 2/3

change into improper fractions:  17/4 x 8/3 = 136/12 = 11 1/4

3 0
3 years ago
2/5x+y=3<br> solve the equation for y.
stira [4]
2/5x+y=3

-2/5x        -2/5x

y=-2/5x+3

Does y = to whole number or just like that? if it Whole number I will solve it tell me
3 0
4 years ago
What are some ways ou can represent a proportional relationship?equations ,or graphs,or tables ,or can be all of them
Nataly [62]
Proportional relationship

We know a proportional relationship is when one of the variable is obtained by multiplying the other variable by a constant number.

For example, in an equation it can be represented:

<em>y = 2x</em>

<em />

In a table, we can represent it by

<em />

In a graph,

Answer: all of them

6 0
2 years ago
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