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postnew [5]
3 years ago
7

The number of library books increased by 20% after it bought new books in May. The number increased by another 20% after someone

donated 300 more books in June. Find the number of books in the library before it bought new books in May.
Please help I'm confused!!
Mathematics
1 answer:
anygoal [31]3 years ago
4 0

Answer:

               

Step-by-step explanation:

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Please help me need help me please please help me
Reil [10]

9514 1404 393

Answer:

  (3)  y = (x -3)²

Step-by-step explanation:

Try the first value of x in each function:

  (1)  y = 3² -3 ≠ 0

  (2)  y = (3 +3)² ≠ 0

  (3)  y = (3 -3)² = 0 . . . . . . matches the table value for f(3)

  (4)  y = 3² +3 ≠ 0

__

The only viable choice is (3).

5 0
2 years ago
The surface area of a cone with radius r units and slant height s units is shown below:
Effectus [21]
<span>Lateral Area = (<span>π<span> • r •<span> slant height)
If radius = 2 and
slant height = 3 then

</span></span></span></span>
<span>Lateral Area = (<span>π<span>  * 2 * 3)

The lateral area = </span></span></span><span><span><span>18.8495559215 </span> </span> </span> <span>

</span>

3 0
3 years ago
Suppose the population of a certain city is 4251 thousand. It is expected to decrease to 3360 thousand in 50 years. Find the per
jonny [76]

Answer:

22.77%

Step-by-step explanation:

4351-3360 / 4351 x 100 = 22.77%

5 0
2 years ago
The difference between two numbers is 42 five times the smaller is equal to 6 more than the larger
frosja888 [35]
X- smaller number
y- larger number
5x=6+y
8 0
3 years ago
PLEASE HEELLLLP WILL MARK BRAINLIEST
Mrrafil [7]

Answer:

312km

Step-by-step explanation:

1. Multiply. 4800 x 7% = 3744

2. Divide. 3744 / 12 = 312km sq.

So the area after 12 years is 312 km sq.

6 0
2 years ago
Read 2 more answers
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