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Lorico [155]
1 year ago
6

Debra is fertilizing her garden. The garden is in the shape of a rectangle. Its length is 12 feet and its width is 10 feet. Supp

ose each bag of fertilizer covers 30 square feet. How many bags will she need to cover the garden?
Mathematics
2 answers:
KonstantinChe [14]1 year ago
7 0

Answer:

If I'm correct the answer is 4

Step-by-step explanation:

Not 100% sure if I'm correct but if Debra's garden is 12 feet in length and 10 feet in width then you would multiply 10 × 12 that would be 120. Then divide 120 to 30 and you get your answer, 4. ( not 100% sure )

Alex_Xolod [135]1 year ago
4 0
She would need 40 bags.

First find the area of the rectangle by multiplying 10 and 12 ft together. You should get 120 sq ft. Then divide by the bags that cover 30 sq feet and you get 40. 40 bags are needed :)
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Answer: After 7 years the number of birds of species A and B are same. and the number of birds during that year will be 140.


Step-by-step explanation:

Given: Sharon is conducting research on two species of birds at a bird sanctuary.

The number of birds of species A is represented by the equation below,where S represents the number of birds, x years after beginning her research.

S=2^x+12

The number of birds of species B is represented by the equation below,where S represents the number of birds, x years after beginning her research.

S=15x+35

To plot the above function, first find points by which they are passing.

For species A, At x=0 , S=1+12=13

At x=2 , S=2+12=14

Similarly find more points and plot curve on graph.

For species A, At x=0 , S=0+35=35

At x=2 , S=15+35=50

Plot a line with the help of these two points.

Now, from the graph the intersection of curve (for A) and line (for B) is at (7,140) which tells that After 7 years the number of birds of species A and B are same. and the number of birds during that year will be 140.



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