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givi [52]
3 years ago
9

Seth is trying to find the unit price for a package of blank compact discs on sale at 10 for $5.49. Find his mistake and correct

it
Mathematics
2 answers:
uysha [10]3 years ago
6 0
If you do not mind me asking, what did Seth write? Us helpers cannot answer it if we do not have the full question. I apologize if this seems rude.
trasher [3.6K]3 years ago
6 0

Answer:

The unit price of disc is $0.55

Step-by-step explanation:

Seth is trying to find the unit price for a package of blank compact discs on sale at 10 for $5.49.

∵ The price of 10 blank compact discs = $5.49

∴ The price of 1 blank compact disc =  \frac{5.49}{10}

                                                            = $0.549 ≈ $0.55

The unit price for a blank compact disc would be $0.55

If Seth got the same answer, he is correct.

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Three eights of the cast in a musical have to sing. What fraction of the cast does not have to sing
pychu [463]
3/8 has to sing
8/8 is all
all=haveto+don'thaveto
all=8/8
haveto=3/8
subsitute
8/8=3/8+don'thaveto
subtract 3/8 from both sides
8/8-3/8=5/8
5/8=don'thavetosing

answer is 5/8
3 0
3 years ago
Read 2 more answers
Steven's savings account switches from compounding interest annually to quarterly. His account earns 3% interest yearly. Steven
V125BC [204]

Answer:

$0.95 more.

Step-by-step explanation:

The principal of $500, when invested at APR of 3% for 5 years compounded annually will become

S_1 = 500(1 + \frac{3}{100})^{5} = 579.64 dollars.

Again, the principal of $500, when invested at APR of 3% for 5 years compounded quarterly will become

S_2 = 500(1 + \frac{3}{100 \times 4})^{5 \times 4} = 580.59 dollars.

Therefore, Steven will have $(580.59 - 579.64) = $0.95 more money in his account due to switching from annually to quarterly compounding. (Answer)

8 0
3 years ago
For the inequality below, write the set of numbers in interval notation.
snow_tiger [21]
The answer would be [4, infinity)
4 0
3 years ago
Question
Marta_Voda [28]

The equation that shows the profit earned for selling popcorn for x hours is y = $15m - $20

From the equation of the linear function given y = mx + b

y indicates the profit earned and x represents the time in hours.

From the question,

After 3 hours, the popcorn stand earned a profit of $25.

∴ The equation becomes $25 = 3m + b ------ (1)

and after 6 hours, the profit was $70.

∴ The equation becomes $70 = 6m + b ------- (2)

Now, we will solve the two equations simultaneously

From the first equation

$25 = 3m + b

We can write that

b = $25 - 3m ------- (3)

Substitute this into the second equation

$70 = 6m + b

We get

$70 = 6m + ($25 - 3m)

$70 = 6m + $25 - 3m

$70 - $25 = 6m - 3m

$45 = 3m

∴ m = $45 ÷ 3

m = $15

Now, substitute the value of m into equation (3)

b = $25 - 3m

b = $25 - 3($15)

b = $25 - $45

b = -$20

∴ m = $15 and b = -$20

Putting these values into the equation y = mx + b we get

y = $15m +(- $20)

∴ y = $15m - $20

Hence, the equation that shows the profit earned for selling popcorn for x hours is y = $15m - $20

Learn more here: brainly.com/question/19511111

5 0
2 years ago
Graph h(x) =(x-2)(x-4)
sveta [45]

Answer:

Check the image below

Step-by-step explanation:

Some Points that May Help: (2,0), (4,0), (1,3), (5,3), (0,8), and (6,8)

4 0
2 years ago
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