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Tresset [83]
3 years ago
11

30.5 $ with a 5% tax rate

Mathematics
1 answer:
Vlad [161]3 years ago
4 0

Answer:

$32.03

Step-by-step explanation:

Since there is a tax rate, you want to multiply $30.50 by 1.05 since you are adding tax to it and it is 5%.  You should get 32.025 as the result, but since you need to round it, it is $32.03.

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I think it 2/5 or -2/5
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Sienna has $8 and is saving $3 per week. Jacob has $6 and is saving $4 per week. Which model represents the equatio
poizon [28]

Let the amount saving by Sienna and Jacob be x

Sienna has $8 and is saving $3 per week

So the equation will be 3x + 8

Jacob has $6 and is saving $4 per week

So the equation will be 4x + 6

Sienna will have same amount as Jacob, so

3x + 8 = 4x + 6

So the model two will represents the equation that Sienna will have same amount as Jacob.

5 0
3 years ago
Read 2 more answers
A college parking lot is 140 ft long and 90 ft wide. The college wants to increase the area of the lot by 29% by adding strips o
Novay_Z [31]
The initial dimenssions of the park lot are:

length: 140 ft
width: 90 ft

initial area: 140 * 90 = 12,600 ft^2

Area increased 29% = 12,600 * 1.29 = 16,254 ft^2

width of the strips: x

New length: 140 + x

New width: 90 + x

New area: (140+x)(90+x) = 16,254

Solution of the equation:

12600 + 230x + x^2 = 16254

=> x^2 + 230x - 3654 = 0

Use the quadratic formula.

x = {-230 +/- √[ 230^2 - 4*1*(-3654) ]} / 2 =

x = 14.92

The other solution is negative so it is discarded.

Answer: 15 ft


 
5 0
4 years ago
Evaluate 3ab for a = 2 and b = 3.
madreJ [45]

Answer:

18

Step-by-step explanation:

a = 2

b = 3

3x(2)x(3)=18

7 0
3 years ago
How many hours does a owl monkey that lived 27 years get in its lifetime
andreyandreev [35.5K]

Answer:236,520 hours

Step-by-step explanation:

You multiply the years(27) times the number of days in one year(365) which equals 9,855 and then you multiply that by the number of hours in a day(24) so it equals 236,520.

6 0
3 years ago
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