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algol [13]
3 years ago
15

Friendship bracelets sell for $7 each how much will it cost to buy 5 friendship bracelets?

Mathematics
2 answers:
notsponge [240]3 years ago
8 0
Each friendship bracelet will cost 35$ :)
GarryVolchara [31]3 years ago
4 0
If each bracelet is $7 then you just need to multiply $7 by the number of bracelets you want to buy.  So its 7x5 = $35
Answer $35
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Consider random samples of size 50 from a population with proportion 0.15
WITCHER [35]

Answer:

a) Mean = 0.75

b) Standard error = 0.051

c) Yes                              

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 50

Sample proportion , p = 0.15

a) Mean

\mu = np = 50(0.15) = 7.5

b) Standard error

S.E = \sqrt{\dfrac{p(1-p)}{n}} = \sqrt{\dfrac{0.15(1-0.15)}{50}} = 0.051

c) Application of central limit theorem

Since the sample size is larger than 30, we cam apply central limit theorem for normal approximation.

6 0
4 years ago
Afirm will break even (no profit and no loss) as long as revenue just equals cost. The value of x (the number of items produced
s2008m [1.1K]

Cost function, C(x)=300+15x

Revenue function, R(x) = 30x

Profit function, P(x)=15x-300

Break point x=20.

Fixed cost = $300.

Variable cost = $15.

Price of item = $30.

Let x be the number of items produced and sold.

a) Cost function = Fixed cost + variable cost \times number of items

So, C(x)=300+15x

b) Revenue = Price of an item \times number of items

So, R(x) = 30x

c) Profit = Revenue - Cost

P(x)=R(x)-C(x)

P(x)=30x-300-15x

P(x)=15x-300

d) <u>Break even point</u> R(x)=C(x)

30x=300+15x

30x-15x=300

15x=300

x=20.

So, the product should be produced for 20 or more items.

Learn more about cost function here:

brainly.com/question/13129990?referrer=searchResults

8 0
2 years ago
Solve for the value of w.<br> (w-8)°<br> (2W-1)º
atroni [7]

Answer:

w=57

Step-by-step explanation:

The angles are supplementary because they are adjacent to one another and lies on a straight line

w-8+2w-1=180

Combine like terms

3w-9=180

Subtract 9 on both sides

3w=171

Divide 3 on both sides

w=57

4 0
3 years ago
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