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vichka [17]
3 years ago
7

3(2y-3)=27can u solve this one

Mathematics
1 answer:
navik [9.2K]3 years ago
7 0
3(2y-3)=27
6y-9=27
6y=36
y=6
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After a 20% discount and 5% sales tax, a book costs $16.80. What was the original price of the book?
natka813 [3]

<u>Answer:</u>

19.15

<u>Step-by-step explanation:</u>

16.80 x 5% = 0.84

16.80 - 0.84 = 15.96

15.96 x 20% = 3.19

15.96 + 3.19 = 19.15

8 0
3 years ago
ohn is interested in purchasing a multi-office building containing five offices. The current owner provides the following probab
Galina-37 [17]

Answer:

$28,875

Step-by-step explanation:

The given table is:

\left|\begin{array}{c|cccccc}$Number of Lease Offices&0&1&2&3&4&5\\$Probability&5/32&3/16&3/32&1/4&9/32&1/32\end{array}\right|

The expected probability is derived using the formula: \sum_{i=0}^{5}x_iP(x_i)

Therefore, for the given distribution,

Expected Probability

=(0*\frac{5}{32})+ (1*\frac{3}{16})+ (2*\frac{3}{32})+ (3*\frac{1}{4})+ (4*\frac{9}{32})+ (5*\frac{1}{32})\\=2.40625

If each yearly lease is $12,000

The Expected Yearly Lease for the Whole Building=2.40625 X 12000

=$28,875

4 0
3 years ago
Each pot of coffee served 10 people. How many tablespoons are needed if you want enough coffee to serve 80 people?
podryga [215]

Answer:

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Step-by-step explanation:

7 0
3 years ago
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Yuki888 [10]

Answer:

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Step-by-step explanation:

6 0
3 years ago
What is the greatest common factor (gcf) of the numerator and denominator in the rational expression below? 7x+14/2x^2+x-6
Mashutka [201]
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4 0
4 years ago
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