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Brilliant_brown [7]
3 years ago
13

What is 80% rounded to the nearest tenth?

Mathematics
1 answer:
Sauron [17]3 years ago
5 0

Answer:

80

Step-by-step explanation:

the 80 is the tenth part so you do nothing its a trip up qustion

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CP is equal to 200 SP is equal to 100 find the profit or loss​
ioda

Answer:

100

Step-by-step explanation:

if SP>CP,

It is profit [SP - CP = Profit]

if CP>SP,

It is loss   [CP - SP = Loss]

Here in the question CP>SP so,

loss = CP - SP

       =200 - 100

       = 100

5 0
2 years ago
If a company employed 50 people in 1995, and tripled their employment by 2005, how many total people would be employed if there
Rus_ich [418]

Answer:

210 people

Step-by-step explanation:

so we know that the number of employees in 2005 is (50)3= 150

so taking 14/10* 150= we get 14*15= 210 people

4 0
3 years ago
The cost of admission to history museum is 3.25$ per person over the age of 3; kids 3 and under get in for free. If the total co
jeyben [28]
Use guess and check, but u can also use equations
7 0
3 years ago
The area of a rectangle is 180 squared in2. The ratio of the length to the width is 5 : 4Find the length and the width. The leng
alina1380 [7]

Answer:

length = 100 squared  Width = 80 squared

Step-by-step explanation:

You add the to ratio number ( 4+5 ). You take that number (9) and divide with 180. You receive the answer 20.  Then you multiply 20 by 5 to get the length and multiply 20 by 4 to width. Then you just add back the square operation.

7 0
3 years ago
A summer camp has 400 ft of float line with which to rope off three adjacent rectangular areas of a lake for swimming? lessons,
Rashid [163]

Answer:

a) A = x*(400 - 4*x)

b) domain of function A(x) is ( 0 , 100 )

c) dimension of swimming section x = 30 ft maximizes area.

Step-by-step explanation:

Given:

- Total length of float-line used L = 400 ft

- Inner sections length x

Find:

a) Express the total area A as a function of x

b) Find the domain of the function

c) Using the graph, find the dimensions that leads to largest area

Solution:

- The amount of side length of the rectangle can be calculated from the total length given y:

                                 y = L - x - x - x - x

                                 y = L - 4*x

                                 y = 400 - 4*x

- The area of a rectangle is as follows:

                                 A = x*y

- Replace y with the expression derived first:

                                A = x*(400 - 4*x)

- To find the domain of the function we know that A >= 0:

                                 400*x - 4x^2 > 0

                                 x(400 - 4x) > 0

                                 x > 0 , 400 - 4*x < 0

                                 x < 100

- Hence, the domain of function A(x) is ( 0 , 100 )

- From the graph given, we can see that Area is maximum when x = 30 ft. Denoted by the turning point of the graph.

- Hence, the dimension of swimming section x = 30 ft maximizes area.

5 0
3 years ago
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