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Inessa [10]
3 years ago
10

30 pts.!!!!

Mathematics
1 answer:
Papessa [141]3 years ago
3 0

x≥3

y≥8

8x + 12y ≤ 240

y ≥ 2x



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Assuming Lindsey takes 5 hours to mow a lawn, she earns from twelve lawns
12*70=$840.

If the above assumption is not correct, @funnyork2005 needs to clarify the question.

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Evaluation: Flight of the Albatross
aev [14]

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Step-by-step explanation:

400/8=50

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Find the area of a regular decagon with a 12.3 in, apothem and 8 in. sides.
EleoNora [17]

Answer:

C

Step-by-step explanation:

The area (A) of a regular decagon is

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8 0
3 years ago
Sara sells homemade blueberry jelly (b) and strawberry jam (s) at the farmer's market. It is the end of berry picking season, so
Diano4ka-milaya [45]

System of inequalities representing given scenario is as follows

x + y ≤40  

5x + 4y ≥ 120    

<h3><u>Solution:</u></h3>

Given that Sara sells homemade blueberry jelly (b) and strawberry jam (s) at the farmer's market. She has enough berries for no more than 40 jars.

The blueberry jelly sells for $5 per jar,  

And the strawberry jam sells for $4 per jar.

Sara's goal is to make at least $120

Need to write system of inequalities for above scenario.

Let’s assume number of jars of blueberry jelly be represented by variable “x”

And assume number of jars of strawberry jam be represented by variable “y”

<em><u>Let’s create first inequality  </u></em>

As it is given that Sara has enough berries for no more than 40 jars, so total number of jars cannot be more than 40.  

=> Number jars of blueberry jelly + number of jars of strawberry jam ≤40

=>  x + y ≤ 40 ------(1)

<em><u>Now let’s create second inequality </u></em>

Selling Price of 1 blueberry jelly = $5  

So Selling Price of "x" blueberry jelly =x \times 5=5 x

Selling Price of 1 strawberry jam = $4

So Selling Price of "y" strawberry jam = \$ 4 \times \mathrm{y}=4 y

So amount generated by selling x blueberry jelly and y strawberry jam = 5x + 4y

And as Sara’s goal is to generate at least $120, so amount generated by selling “x” blueberry jelly and “y” strawberry jam must be greater than $120  

=> 5x + 4y ≥ 120   ------ (2)

Hence system of inequalities representing given scenario is as follows :

x + y ≤40  

5x + 4y ≥ 120    

3 0
3 years ago
If 4x - 3 = 25 then x =.....
Aloiza [94]

Answer:

4x - 3 = 25

    + 3   + 3

4x = 28

x = 7

<em>1st = add like terms</em>

<em>2nd = simplify</em>

<em>3rd = divide both sides</em>

<em></em>

Hope this helps

4 0
3 years ago
Read 2 more answers
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