1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
dalvyx [7]
3 years ago
5

while shopping you note the average price for a cd is 8$ including tax.you have $12 in poket about how many cds can you buy

Mathematics
2 answers:
leonid [27]3 years ago
8 0
You can only buy 1 CD using $12 because $12 minus $8 is $4 and $4 is not enough for another CD. 
Shkiper50 [21]3 years ago
3 0
You can only buy 1 Cd because 1 cd is 8 dollars, and 8 goes only once into 12. You keep the remaining.
You might be interested in
I know this is really easy but my head hurts so yeah
Ronch [10]
It's hard to read  could you just right the number
6 0
3 years ago
Read 2 more answers
This is a Differential Equations problem, I only need help on part 1 from question five. I need steps as well, thank you.
jolli1 [7]

Answer:

a) y(t) =  \sqrt{2t + 1 }

b) 1.5 hours after thickness will be 2 inches.

Step-by-step explanation:

\frac{dy}{dt}  =  \frac{1}{y}   \\   \\ ydy = dt  \\ \\ integrating \: both \: sides \\   \\  \int y \: dy =  \int 1 \: dt \\  \\  \frac{ {y}^{2} }{2}  = t + c \\  \\  {y}^{2}  = 2t + 2c \\  \\ y (t)=  \sqrt{2t + 2c} ...(1) \\  \\ a)  \:  \: \: plug \: t = 0 \: in \: (1) \\  \\  y (0)=  \sqrt{2(0) +2 c} \\  \\ y (0)=  \sqrt{0 +2 c} \\  \\ 1 =  \sqrt{2c}  \:  \: ( \because \: y (0)=1) \\  \\  2c = 1   \:  \implies \: c =  \frac{1}{2} \\  \\ plug \: c = \frac{1}{2} \: in \: (1) \\  \\ y(t) =  \sqrt{2t + 2 \times  \frac{1}{2} } \\  \\  \huge \:  \red {y(t) =  \sqrt{2t + 1 } } \\  \\b) \:  \:  plug \: y(t) = 2 \: in \: above \: equation \\  \\ 2 =  \sqrt{2t + 1}  \\  \\ 4 = 2t + 1 \: \\  (squaring \: both \: sides) \\  \\ 4 - 1 = 2t \\  \\ 2t = 3 \\  \\ t =  \frac{3}{2}  \\  \\ t = 1.5 \: hours \\

6 0
2 years ago
PLEASEEE HELPPPP!!! I NEED HELP
seropon [69]

Okay hold on. I’m trying to figure this question out. I will help you!

7 0
3 years ago
Read 2 more answers
Saira is using the formula for the area of a circle to determine the value of LaTeX: \piπ. She is using the expression LaTeX: Ar
lord [1]

Given:

Area of a circle, A=50.265 sq. units.

Radius of circle, r = 4 units.

To find:

The value of π to the nearest thousandth.

Solution:

Formula for area of a circle is

A=\pi r^2

\dfrac{A}{r^2}=\pi

Ar^{-2}=\pi

Now, using Ar^{-2} expression, we can find the value of π.

\pi=50.265904(4)^{-2}

\pi=\dfrac{50.265904}{4^2}

\pi=\dfrac{50.265904}{16}

\pi=3.141619

Approximate the value to the nearest thousandth (three digits after decimal).

\pi\approx 3.142

Therefore, the approximated value of π is 3.142.

8 0
3 years ago
If you take a number, times by 7 then subtract 1. You get the same as if you took the number multiply the number by 5 then subtr
Irina-Kira [14]

Answer:

-7/2 or -3.5

Step-by-step explanation:

Make the equation first

7x-1 = 5x-8

7 = -2x

-7/2 = x

4 0
2 years ago
Read 2 more answers
Other questions:
  • Which best describes the transformation that occurs from the graph of f(x) = x2 to g(x) = (x – 2)2 + 3?
    12·1 answer
  • What is the formula for the volume of a hemisphere?
    8·1 answer
  • Factorize x^3+4x^2+x-6
    15·1 answer
  • This model represents which expression?
    11·1 answer
  • A=lw+wh+lh, solve for w
    13·2 answers
  • Need to find perimeter
    7·1 answer
  • Which of the following values satisfies the inequality 9 < 2x + 7 < 15?
    5·1 answer
  • Help 10 points to solve please
    9·2 answers
  • Solve for y.<br> x+y=7<br> x=4<br> Simplify your answer as much as possible.
    7·2 answers
  • Henry learned 21 new vocabulary words. That is 3 times as many
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!