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Molodets [167]
4 years ago
10

The sale price of ground beef at a local grocery store is $1.49 for the 1st pound and 1.09 for each additional pound which funct

ional shows how the cost of ground beef why depends on the number of pounds X
Mathematics
1 answer:
bixtya [17]4 years ago
5 0
Y=1.09(x-1)+1.49  where y is cost and x is in pounds we could further operate:

y=1.09x-1.09+1.49

y=1.09x+0.4 (note that the domain is x≥1)
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Salesman Randy gets fixed salary of $2000 per month and a commission of 5% on sale. If total sale is $30,000 for the month, find
ruslelena [56]

Answer:

$3,500

Step-by-step explanation:

Commission earned by Randy = 5% of 30000

=\frac{5}{100}*30000\\\\=5*300

= $ 1500

Total salary =  Fixed salary + commission

                  = 2000 + 1500

                  = $ 3,500

5 0
3 years ago
What are the possible numbers of positive, negative, and complex zeros of f(x) = x6 − x5 − x4 + 4x3 − 12x2 + 12?
FrozenT [24]
Using <span>Descartes' rule of signs.
There are 4 changes of signs of coefficients:
+ to - (+x^6-x^5)
- to + (-x^4+4x^3)
+ to - (+4x^3-12x^2)
- to + (-12x^2+12)
Therefore, there are 4,2 or 0 positive roots </span><span><span>at most</span>. So it must be the third answer.
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3 0
3 years ago
Read 2 more answers
What the value of p in the question shown
hammer [34]
It would be D because you have to do the cube root on both sides. What I do is ignore the decimal and add it in later once the math is complete like on this question you can tell by process of elimination that 8 squared is 64 but you’re look for the cube root so that eliminates a and c and now just make sure the decimal is in the right place
5 0
3 years ago
A part of your bike has broken. You decide to send it back for a full refund. It has cracked along every line of symmetry.
Scilla [17]

Answer:

1

Step-by-step explanation:

line is going along the whole bike


6 0
4 years ago
Use the grouping method to factor the polynomial below completely 3x^3+9x^2+5x+15​
Tomtit [17]

Answer:

(x+3)( 3x^2 +5)

Step-by-step explanation:

3x^3+9x^2+5x+15​

Split into two groups

3x^3+9x^2     +5x+15​

Factor 3x^2 out of the  first group and 5 out of the second group

3x^2 ( x+3)  + 5(x+3)

Factor out x+3

(x+3)( 3x^2 +5)

6 0
3 years ago
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