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larisa86 [58]
3 years ago
7

Ingrid bought a laptop that was 30% off the regular price of $1,050. If a 7% sales tax was added to the cost of the laptop, what

was the total price Ingrid paid for it?
Mathematics
1 answer:
melamori03 [73]3 years ago
5 0
Her total price would be $786.45
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The equation of this circle is (x + <br> )2 + (y + <br> )2 = <br> .
Alex787 [66]

Answer:

x2 + y2 = r2, and this is the equation of a circle of radius r whose center is the origin O(0, 0). The equation of a circle of radius r and center the origin is x2 + y2 = r2.

I think this is the answer.

7 0
2 years ago
A group of friends is going to a baseball game. A general admission ticket to the game costs $9.00. A ticket for a fan club memb
AnnyKZ [126]

Answer:

See explanation!

Step-by-step explanation:

The term 9x is comprised of two values: 9 and x. The 9 represents the cost of the general admission tickets. Since the expression is representing the total cost for the group of friends, the number of friends attending must be represented somehow in the equation. Since the $9 is paired with the x, this means that x represents how many of the friends are paying the general admission price. After interpreting both values within the term, the meaning of the term 9x is simply just the total cost of the friends that are paying the general admission price! Hope this helps!

5 0
3 years ago
Which set of numbers represents the domain for the following table below
elena-14-01-66 [18.8K]

Answer:

21

Step-by-step explanation:

21

8 0
3 years ago
2. The number of atoms of a particular chemical element is modelled by
____ [38]

9514 1404 393

Answer:

  a) 600

  b) see below

  c) 1.26 hours

Step-by-step explanation:

a) The value of y when x=0 is the coefficient of the exponential term:

  y = 600·3^(-0) = 600·1 = 600

There were 600 atoms to start.

__

b) see attached for a graph

__

c) The graph shows 150 atoms at t = 1.26, about 1.26 hours after the start of time counting.

If you want to find that value algebraically, substitute for y and solve for x. Logarithms are involved.

  150 = 600·3^(-x)

  150/600 = 3^(-x)

  log(1/4) = -x·log(3)

  x = -log(1/4)/log(3) = log(4)/log(3) ≈ 1.2618595

After about 1.26 hours, there were 150 atoms.

6 0
3 years ago
What is credit?
zvonat [6]

When I took the test, I selected "C. an arrangement in which you receive money now and pay it back later with fees" but I got it wrong. So I'm pretty sure the answer is "A. an arrangement in which you receive money, goods, or services now in exchange for the promise of payment later"

5 0
3 years ago
Read 2 more answers
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