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Olin [163]
3 years ago
5

The sum of the two numbers is 121. The difference between the numbers is 15. What are the two numbers?

Mathematics
2 answers:
scZoUnD [109]3 years ago
7 0

Answer:

First number = 75.5

Second number = 45.5

larisa [96]3 years ago
6 0
75.5 and 45.5



hope this helps
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nasty-shy [4]

Answer:

328.5 cubic cm

Step-by-step explanation:

V= L x W x H

V = 7.3 x 10 x 4.5

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3 years ago
Suppose that your start a business manufacturing and selling luxury bean bag chairs. It will cost $4000 to get your business sta
emmasim [6.3K]

Suppose that your start a business manufacturing and selling luxury bean bag chairs. It will cost $4000 to get your business started. You also calculate that each luxury bean bag chair will cost you $50 to produce

1. write an equation for the total cost to manufacture n luxury bean bag chairs.  

you decide to sell the luxury bean bag chairs for 62.50 each (revenue is the total money coming in from sales.)  

2. write an equation for the total revenue  made from selling n luxury bean bag chairs.  

3. solve the system of equations algebraically

Answer:

Step-by-step explanation:

From the given question;

1.

Let assume that c1 to be the cost  and n to be the number of bean bags produced.

amount used to start the business = $4000

thus;

The equation for the total cost to manufacture n luxury bean bag chairs is:

c₁ = 50 n + 4000

2.

Let c₂ be the total revenue made from selling ; then since 62.50 revenue is generated from each bag n sold

therefore ;

c₂ = 62.50 n

3.

c₁ = c₂

50 n + 4000 =  62.50 n

4000 = 62.50 n - 50 n

4000 = 12.50 n

n = 4000/12.50

n = 320

We can infer that in order to start making profit from the amount used tot start the business, you must have sold 320 bean bags.

8 0
3 years ago
The magazine Sports Illustrated asked a random sample of 750 Division I college athletes, "Do you believe performance-enhancing
Ostrovityanka [42]

Answer:

a) Mean = 0.30, SD = 0.017

Step-by-step explanation:

The mean and sampling distribution of the sample proportion can be found using the equations

Mean= p

SD=\sqrt{\frac{p*(1-p)}{n} }

where

  • n is the sample size (750)
  • p is the sample proportion of all Division I athletes think that these drugs are a problem (0.30 or 30%)

Using these information:

Mean = 0.30

SD=\sqrt{\frac{0.30*0.70}{750} } ≈ 0.017

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3 years ago
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Musya8 [376]
He gave away 14 bouncy balls
3 0
3 years ago
The lengths of the sides of a square are 5 cm. find the length of the diagonal
jenyasd209 [6]

Answer:

square root (50) = 7.071

Step-by-step explanation:

Using Pthagoras' theorem, the diagonal length is \sqrt{x} ax^{2} +bx^{2}.

Therefore, the diagonal length is the square root of 5^2+5^2,

= \sqrt{x} 25+25

= \sqrt{x} 50

= 7.071

8 0
3 years ago
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