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masya89 [10]
3 years ago
11

Seth wants to purchase a new desk. Since he lives near the border of two cities with different sales taxes rates, he decides to

compare the
total price of the desk from each store.
Store A
Store B
desk price: $289.99
sales tax rate: 7%
desk price: $299.99
sales tax rate: 6.5%
Which statement is true?
OA.
The total cost of the desk including sales tax will be lower at store A by about $9.
OB.
The total cost of the desk including sales tax will be higher at store A by about $9.
OC.
The total cost of the desk including sales tax will be lower at store B by about $12.
OD.
The total cost of the desk including sales tax will be higher at store B by about $12.
O E.
The total cost of the desk including sales tax will be the same for both stores.​
Mathematics
1 answer:
Tcecarenko [31]3 years ago
7 0

Answer: The total cost of the desk including sales tax will be lower at store A by about $9.

Step-by-step explanation:

Hi, to answer this question we have to calculate each store price:

Total cost : desk price x(1+ tax rate in decimal form ( divided by 100))

A = 289.99 (1+7/100) = 289.99 ( 1.07) = $310.28

B = 299.99 (1+ 6.5/100) = 299.99 ( 1.065) = $319.48

Since cost B is higher, we have to subtract cost A to cost B to obtain the price difference:

319.48 -310.28 = 9.19 = about $9

So, The total cost of the desk including sales tax will be lower at store A by about $9.

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Chelsea bought a computer on Monday for $1,300. Its value is predicted to decrease by $250 per year. Her brother George also bou
Elenna [48]

Answer:

The correct answer is B. George’s computer is expected to have a value of $25 greater.

Step-by-step explanation:

Since Chelsea bought a computer on Monday for $ 1,300, and its value is predicted to decrease by $ 250 per year, while her brother George also bought a computer on Monday, and the function g (x) = 1,100 - 175x predicts how the value of his computer is expected to change after x years, to determine whose computer is expected to have a greater value when it is 3 years old, and how much greater will it be, the following calculation must be performed:

Chelsea:

1,300 - (250 x 3) = X

1,300 - 750 = X

550 = X

George:

1,100 - (175 x 3) = X

1,100 - 525 = X

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Therefore, George’s computer is expected to have a value of $ 25 greater.

7 0
3 years ago
100 POINTS
olga nikolaevna [1]

Answer:

5.2

Step-by-step explanation:

To find the height of the plant after 7 weeks, we need to find out the equation of the line of best fit and plug in 7 for x. We already have our y - intercept, which is 1,  and we have a point on the x axis for which the y coordinate is an integer, (5, 4). Since we already have the y - intercept of +1 we have y = mx + 1. Since this applies to (5,4) we can plug this in to our equation. This is then 4 = 5m + 1. Subtracting 1 from both sides, we get 3 = 5m. Dividing by 5, we receive m = 3/5. Since now we have our slope, we can plug in 7 and find out our answer. Plugging in 7 we receive, y = 3/5 * 7 + 1, which is equal to y = 4.2 + 1. This means that y = 5.2, so 5.2 is our answer.

6 0
3 years ago
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If a1=4 and an =2an-1 – 1 then find the value of a4.
musickatia [10]
1 = 4

a2 = -2(a1) - 1
a2 = -2(4) - 1
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a3 = -2(9) - 1
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Can you do a4 and a5 and answer?
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2 years ago
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USPshnik [31]

Answer:

2! Thank it if it was helpful :D

Step-by-step explanation:

7x-4x=3+3

3x=6

x=2

8 0
2 years ago
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Answer:

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Step-by-step explanation:

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