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Kobotan [32]
3 years ago
6

Visitors to the library restroom used up

Mathematics
1 answer:
mixer [17]3 years ago
8 0

Answer:

3/4 + 3/4 = 6/4 or 1 1/2 bottles a day

Step-by-step explanation:

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Y = -1/2 - 2<br> and y = -3/2
Nadusha1986 [10]
You didn’t specify what you needed the answer for but here’s the steps and the ending value.

8 0
2 years ago
Today, everything at a store is on sale. The store offers a 20% discount. Write an equation for this situation in terms of y.
SpyIntel [72]

The discount price will be 0.8X dollars.

Step-by-step explanation:

Given,

Price of an item = X dollars

Discount = 20%

Amount of discount = 20% of Price of item

Amount of discount =  

Price of item after discount = Price of item - Amount of discount

Price of item after discount = X-0.2X = 0.8X dollars

The discount price will be 0.8X dollars.

Keywords: discount, subtraction

8 0
2 years ago
Can someone please tell me the steps to find a number four?
Delicious77 [7]
The answer is 21. 
I am not sure if you're looking for the answer, or the steps... get back to me foor help. 

5 0
3 years ago
Read 2 more answers
Use the Midpoint Rule with n = 5 to estimate the volume V obtained by rotating about the y-axis the region under the curve y = 1
velikii [3]

Using the shell method, the volume is given exactly by the definite integral,

2\pi\displaystyle\int_0^1x(1+9x^3)\,\mathrm dx

Splitting up the interval [0, 1] into 5 subintervals gives the partition,

[0, 1/5], [1/5, 2/5], [2/5, 3/5], [3/5, 4/5], [4/5, 5]

with left and right endpoints, respectively, for the i-th subinterval

\ell_i=\dfrac{i-1}5

r_i=\dfrac i5

where 1\le i\le5. The midpoint of each subinterval is

m_i=\dfrac{\ell_i+r_i}2=\dfrac{2i-1}{10}

Then the Riemann sum approximating the integral above is

2\pi\displaystyle\sum_{i=1}^5m_i(1+9{m_i}^3)\frac{1-0}5

\dfrac{2\pi}5\displaystyle\sum_{i=1}^5\left(\frac{2i-1}{10}+9\left(\frac{2i-1}{10}\right)^4\right)

\dfrac{2\pi}{5\cdot10^4}\displaystyle\sum_{i=1}^5\left(16i^4-32i^3+24i^2+1992i-999\right)=\frac{112,021\pi}{25,000}\approx\boxed{14.08}

(compare to the actual value of the integral of about 14.45)

3 0
3 years ago
Karen could lift 18 pounds with a
Grace [21]

Answer:

14 more pounds

Step-by-step explanation:

32-18

5 0
3 years ago
Read 2 more answers
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