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kow [346]
3 years ago
12

What is the area of a circle with a radius of 13 millimeters? (Use 3.14 for Pi.)

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
5 0
The area of a circle with radius of 13 millimeters is A≈530.93A=πr2=π·132≈530.92916
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−9⋅(5j+k) do distrubutibr property
Serjik [45]

Answer:

−9⋅(5j+k) =  -45j -9k.

Step-by-step explanation:

Given  : −9⋅(5j+k)

To find : distributive property.

Solution : −9⋅(5j+k)

By distributive property a( b +c ) = a*b + a*c.

Then  −9⋅(5j+k) =  -9 *5j + (-9 *k)

−9⋅(5j+k) =  -45j -9k.

Therefore, −9⋅(5j+k) =  -45j -9k.

3 0
3 years ago
Find the total area of the four walls of a room 12 m long, 10 m wide and 4 m high.
Radda [10]

Answer:

<h2>416m^2</h2>

Step-by-step explanation:

<h3>Area = Length * Width</h3><h3>Volume = Length * Width * Height</h3>

<h3>As we all can see,from the question we were given the parameters for calculating volume instead of the ones for calculating "area"</h3>

<h3>But from the the parameters, we can calculate for the total surface area</h3>

<h3>Floor = 12m ×10m = 120m^2</h3>

<h3>Roof = 12m × 10m = 120m^2</h3>

<h3>Front and back walls (x2) = 10m × 4m ×2 = 80m^2</h3>

<h3>Side walls (x2) = 12m × 4m × 2 = 96m^2</h3><h3>Total surface area</h3>

<h3>= 120m^2 + 120m^2 + 80m^2 + 96m^2</h3>

<h3>= 416 m^2</h3>
8 0
2 years ago
Kyle has a lock combination with three
Tpy6a [65]

Answer:

kYL E DID WHAT

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
1,write the successor of-5 and predecessor of 6 then add them
Alona [7]

#1

  • Successor of -5=-4
  • Predecessor of 6=5

\\ \tt\hookrightarrow -4+5=1

#2

  • Let one be x and other be x-1

\\ \tt\hookrightarrow a-b=x-x+1=+1

#3

\\ \tt\hookrightarrow 42-66-(100-24)

\\ \tt\hookrightarrow -24-76

\\ \tt\hookrightarrow -100

3 0
2 years ago
Read 2 more answers
(2,4) y=2/5x - 9 write an equations perpendicular to the line represented by y=2/5x-9
MA_775_DIABLO [31]

Answer:

the answer that 9-(2,4)

Step-by-step explanation:

7 0
3 years ago
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