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Evgen [1.6K]
3 years ago
5

Bea Bonnet bought a new Apple computer for $1,250.99. This price included a 6% sales tax. What is the actual selling price befor

e the tax as well as the sales tax amount?
Mathematics
1 answer:
pogonyaev3 years ago
5 0

Answer:

I think I know

Step-by-step explanation:

I'm pretty sure that you use something with

I    idk

P   ercent

R  rate

T  time

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Sophie and Isadora ride around a circular track that has an inner radius of 30 m. The track is 2 m wide and Isadora rides along
Naddika [18.5K]
It’s just the difference in circumferences, so it’d be
S = 2 Pi r
S = 2 * 3.14 * 30
S = 188.4m

I = 2 Pi r
I = 2 * 3.14 * (30 + 2)
I = 200.96m

I - S = 200.96 - 188.4
= 12.56m

Therefore, Isadora had to ride 12.56m more than Sophie
7 0
3 years ago
Help me on this math question please
ValentinkaMS [17]

Answer: 243 cm

Step-by-step explanation:

Substitute t for 1 to find the amount it grew in one year.

H=210 +33(1)

H=210 + 33

H= 243

6 0
3 years ago
Read 2 more answers
What equation represents the proportional relationship displayed in the table?
KATRIN_1 [288]

Answer:

y=6x

Step-by-step explanation:

Given:

The table is given as:

x   0    4       7       8

y   0    24    42     48

The relationship between 'x' and 'y' is a proportional relationship.

A proportional relationship is one in which one variable varies directly with the other by a factor of 'k' also known as constant of proportionality and k\ne 0

A proportional relationship is given as:

y=kx

Now, we plug in 'x' and 'y' values and find the value of 'k'.

Let x=4\ and\ y=24

24=k\times 4\\\\k=\frac{24}{4}=6

Therefore, the constant of proportionality is 6. Hence the complete equation is given as:

y=6x

3 0
3 years ago
Need help with these 2 problems.
Mazyrski [523]
First problem.

Call a and b the sides. Since the sides are doubled they are 2*a and 2*b

You know the area is given by a*b.

2a*2b = 12

4ab = 12

So divide both terms for 4 :)

ab = 3 ft^2

Second problem.

Find the volume of the two solids.

The first contenitor is a parallelepiped.

V = abh

a = 10
b = 5
h = 6

V = 10*5*6 = 300 in^3

The second solid is a cilinder.

V = pi*r^2*h = 3^2*10*pi = 9*10*pi = 90pi in^3 = 90*3,14 = 282,6 in^3

The first contenitor hold more ice cream
6 0
3 years ago
PLEASE HELP ;-;
PolarNik [594]
10.) The realized income each week is $79.87.
   Add both payments and tips then deduct the tax deductions (multiply the rates to the gross income per week).
   Gross income per week: (4.70 + 3.85) x 13hrs = 111.15
   Tax deductibles: 8.50 (FICA) + 13.67 (federal tax) + 9.11 (state tax) = (31.28)
   Realized income per week: 111.15 - 31.28 = 79.87

11.) The value of the stocks in its second year is $1,340.75.
   Multiply the investment by the percentage increase, then add the result to the investment. You can also use this formula = investment x (1 + %)
   First year: 1,050 x (1 + 0.13) = 1,186.50
   Second year: 1,186.50 x (1 + 0.13) = 1,340.75

12.) a. The total value of your stocks after 2 years is $2,046. Use <em>investment x (1 - %)</em> in computing the decreases while <em>investment x (1 + %)</em> in computing the gains.
   First year: 2,000 x (1 - 0.07) = 1,860
   Second year: 1,860 x (1 + 0.10) = 2,046

   b. The balance in your savings account after 2 years is $2,150.74. Use this formula = investment x (1 + rate)^number of years
   Balance = 2,000 x (1 + 0.037)^2 = 2,150.74

13.) Your question is incomplete.
8 0
3 years ago
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