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2 years ago

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A lawn care company sells grass seed by the pound. There is one price per pound up to 5 pounds and a lower price per pound for e

ach pound over 5 pounds. The expression 3(x-5 )+25 gives the total cost in dollars of x pounds of seed when a customer buys more than 5 pounds.

1 answer:

VashaNatasha [74]2 years ago

5 0

Answer:

I think its C

Step-by-step explanation:

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How do I complete a square

wel

Answer:

(x−2)2=11

Step-by-step explanation:

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2 years ago

What constant do you need to add to each quadratic to complete the square?

babunello [35]

Answer:

1. 4

2. 16

3. 9

Step-by-step explanation:

Completing the square requires a quadratic in $ax^2+bx=c$ form. Once in this form, calculate $(\frac{b}{2})^2$ .

1. $(\frac{b}{2})^2=(\frac{-4}{2})^2=4$

2. $(\frac{b}{2})^2=(\frac{-8}{2})^2=16$

3. Requires you divide everything by 3 first.

$\frac{3x^2+18x}{3} =\frac{249}{3} \\x^2+6x=81$

$(\frac{b}{2})^2=(\frac{6}{2})^2=9$

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2 years ago

The volume of a box(V) varies directly with its length(l). Using k for the constant of proportionality, express the relationship

pochemuha

Answer: V = L (k)

Step-by-step explanation:

Hi, to answer this question we have to write an equation with the information given:

<em>Volume of a box = V </em>
<em>Length = l </em>
<em>Constant of proportionality = k</em>

We know that the volume of the box (V) varies directly with its length (l).

So, the expression for the volume is:

V = L (k)

Feel free to ask for more if needed or if you did not understand something

8 0

2 years ago

I need help really fast

antoniya [11.8K]

well 1+1=2 and 2+2=4 and 4+4=8 and 8+8=16 then..............................................ummm.....................................uhhhhhhhh...........................wow this is hard.......................................................................I have no clue sorry thats all i know

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2 years ago

How many 2/3 ounce portions of chocolate can Anna get from the 42/3 ounces of chocolate she bought at Union Market?

Lelechka [254]

She can get 21 portions. Since 2/3 and 42/3 already share the same denominator, all you need to do is divide 42 by 2 to get 21.

6 0

3 years ago