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drek231 [11]
3 years ago
13

Sandra waits tables at Polly's Tamales. While she is working, she receives a discount on any food she buys. If an item normally

costs d dollars, Sandra can buy it for 2/3
d dollars. Last night at work, Sandra bought a taco salad that normally costs $9.
What price did Sandra pay for the taco salad?
Mathematics
1 answer:
Musya8 [376]3 years ago
6 0

Answer: 6

Step-by-step explanation: 2/3 of 9 = 6

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A theater seats 2,816 people. The first row has 26 seats while the last row has 150 seats. Assuming the number of seats per row
wolverine [178]

Answer:

The theater has 32 rows

Step-by-step explanation:

The rule of the sum of n terms of an arithmetic sequence is S_{n} = \frac{n}{2} (a + l), where

  • a is the first term
  • l is the last term
  • n is the number of the terms

∵ The number of seats per row follows an arithmetic sequence

∵ The first row has 26 seats

∴ a = 26

∵ The last row has 150 seats

∴ l = 150

∵ The theater seats are 2,816

∴ S_{n} = 2,816

→ Substitute these values in the rule of the sum above to find n

∵ 2,816 = \frac{n}{2}(26 + 150)

∴ 2,816 = \frac{n}{2}(176)

∴ 2,816 = 88n

→ Divide both sides by 88

∴ 32 = n

∵ n represents the number of the rows

∴ The theater has 32 rows

3 0
2 years ago
Express as fraction in simplest form
Arte-miy333 [17]

As a percent: 2.5%

As a decimal: .025

As a fraction: 25/1000

5 0
2 years ago
National credit union pays 5.5% intrest compounded quarterly on special notice savings accounts. Marco deposits $5698.80 in a sp
Reptile [31]

Answer: 6187.24

Step-by-step explanation: 5698.80(1+.0138)^6

6 0
2 years ago
A store sells rope by the meter. The equation p=0.8L represents the price p(in dollars) of a piece of nylon rope that is L meter
Margaret [11]

Answer:

1. $0.80 or 80 cents

2. 1.25 meters

Step-by-step explanation:

The equation p=0.8L represents the price p (in dollars) of a piece of nylon rope that is L meters long.

1. To find how much the nylon costs per meter, take L = 1 (this means you are calculating the price of a piece of nylon rope that is 1 meter long):

L=1,\\ \\p=\$0.8\cdot 1=\$0.80

2. To find how long a piece of nylon rope that costs $1.00 is, substitute into the equation p = 1:

p=1,\\ \\1=0.8L\\ \\L=\dfrac{1}{0.8}=\dfrac{10}{8}=\dfrac{5}{4}=1.25\ meters

5 0
3 years ago
What is the volume of the prism
satela [25.4K]

Answer: 336cm^3

Step-by-step explanation: First of all. We can combine the two different 4's to make this one shape so it is easier to calculate. We know to get volume it is l * w * h=v. So we just plug in the values. We have 8*3*14. Now just multiply. 8*3*14 = 336

6 0
3 years ago
Read 2 more answers
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