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elixir [45]
3 years ago
6

I NEED Help Please!!

Mathematics
1 answer:
Dmitry [639]3 years ago
8 0

Answer:

27

Step-by-step explanation:

You add. hope it helps ;)

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You need to lay communications cable around the perimeter of three offices, each 8' by 10'. How much cable do you need?
ryzh [129]

Answer:

108 units

Step-by-step explanation:

We are given that

Length of each  office,l=10 units

Breadth of each office=b=8 units

Total number of office=3

We know that

Perimeter of rectangle=2(l+b)

Using the formula

Length of cable for 1 office=2(10+8)=36units

Length of cable required for 3 offices=36\times 3=108units

Hence, the required length of cable=108 units

6 0
3 years ago
Identify the domain and range of each of the graphs below.<br><br><br> Domain: <br><br><br> Range:
Anna11 [10]

Answer:

Domain → (-∞, ∞)

Range → (-∞, ∞)

Step-by-step explanation:

Domain of a function is defined by the x-values or input values of the graph.

Similarly, Range of the function is defined by the y-values or output values from the graph.

From the picture attached,

x - values for the line shown in the graph vary from negative infinity to positive infinity.

Therefore, Domain of the function will be → (-∞, ∞)

And for every x-value there is a y-value, so Range of the function will be same as domain (varying from negative infinity to positive infinity) → (-∞, ∞)

8 0
3 years ago
What is the inverse of y=2x^3 (cubed)
DIA [1.3K]
Switch places or x and y then solve it for y and you will get the inverse of the function,let me know if u have questions

3 0
3 years ago
Find the area of this figure
Natasha_Volkova [10]

Answer:

a = 16.13 ft²

Step-by-step explanation:

Triangle

a = (1/2)bh

a = (1/2)6 * 4

a = 12

Semicircle

a = (1/2)πr²

a = (1/2)(3.14)(3²)

a = 14.13

Combined figure

a = 12 + 14.13

a = 16.13 ft²

8 0
3 years ago
my school bag contains 9 books each mass 2/9 kg and 5 folder each mass 7/25 kg what is the total mass of books and folders in my
ololo11 [35]
9*2/9= 18/9= 2kg
5*7/25= 35/25= 1 10/25= 1 2/5 kg
1 2/5kg+2kg= 3 2/5kg or 3.4kg
total mass equals 3 and 2/5kg or 3.4kg
5 0
3 years ago
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