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3 years ago

Music Jeremy spent $33 on 3 CDs .At this a rate how much would 5 CDs cost

Mathematics

2 answers:

kvasek [131]3 years ago

8 0

Question: Jeremy spent $33 on 3 CDs .At this a rate how much would 5 CDs cost?

Answer: I think the answer is 55$.

Hope this helps. c;

zaharov [31]3 years ago

4 0

The answer is $55. If 3 CD's cost $33, each CD cost $11 each.

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Pieter wrote and solved an equation that models the number of hours it takes to dig a well to a level of 72 feet below sea level

jek_recluse [69]

Answer:

Step-by-step explanation:

Is this the entire question? Some of it makes no sense without a diagram or something.

To get rid of A you actually have to solve the equation.

7h – 5(3h – 8) = –72 Remove the brackets

7h - 15h + 40 = - 72 Combine the like terms

- 8h + 40 = - 72 Subtract 40 from both sides

- 8h = -112 Divide by -8

h = 14

Well the depth is a whole number so A is true.

We don't know anything about time. But the answer is positive.

C is false because B is true.

We don't know exactly what the depth of the well is.

I would pick A, but you need the entire question.

8 0

2 years ago

What is the solution set of {x | x 5}?

german

Answer:

3. the numbers between -5 and 5

Step-by-step explanation:

Let set A= $\{x| x>-5\}$ and set $B=\{x | x$ .

The solution set of A and B is the solution set of A∩B

The solution set of A is all the real number x which is greater than -5.

The solution set of B is all the real number x which is less than 5.

Therefore, the solution set of A∩B is all the real numbers between -5 and 5.

Hence, option (3) is correct.

5 0

2 years ago

Find the value of x<br> X+8 =5x-4

Tatiana [17]

Answer:

I'm pretty sure the value of it is 3

4 0

3 years ago

Read 2 more answers

Find the solution to the differential equation dx/dy+y/3=0 subject to the initial conditions y(0)=12.

ycow [4]

$\dfrac{\mathrm dx}{\mathrm dy}+\dfrac y3=0\iff\mathrm dx=-\dfrac y3\,\mathrm dy$
$\implies\displaystyle\int\mathrm dx=-\frac13\int\mathrm y\,dy$
$\implies x=-\dfrac16y^2+C$

Given that $y(0)=12$ , we have

$0=-\dfrac16(12)^2+C\implies C=24$

So the particular solution to the initial value problem is

$x=-\dfrac16y^2+24\iff y^2=144-6x$

8 0

3 years ago

Find the GCF of each pair of monominals 54gh,72g

wel

18 is the answer I believe hopefully this is correct

7 0

3 years ago