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drek231 [11]
3 years ago
12

Look at image please help me ASAP

Mathematics
1 answer:
cupoosta [38]3 years ago
6 0
The answer is 2 (extra characters)
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a bicycle wheel has a diameter of 65cm what is the length of one revolution of the wheel PLEASE HELP​
Lana71 [14]

AnswerAnswerAnswerAnswer: C = πd = 65π = 204.2 cm

Step-by-step explanation: C = pi*d

where d is the diameter.

First we get the circumference, then we multiply it by the number of revolutions, which is 20:

C = 3.14 * 65

C = 204.1 cm (this is only equal to 1 revolution)

Therefore, total distance travelled in after 20 revolutions is

204.1 * 20 = 4082 cm

7 0
2 years ago
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A cork has a mass of 3 grams and a volume of 16 cm3<br> . Calculate the density.
mel-nik [20]

Answer:

0.1875, or 3/16

Step-by-step explanation:

The formula for density is mass/volume.

I hope this helps :)

5 0
3 years ago
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Help please!!!!!!!!!!!!!!!
anygoal [31]
-1. hope that helps!
3 0
3 years ago
What is the measure of angle K? 102o 118o 134o 156o
stealth61 [152]

Answer:

The measure of angle K is 118°

Step-by-step explanation:

The sum of the internal angles of a quadrilateral is 360°. So, in this case, we can formulate the following equation:

K + L + M + J = 360°

Where K, L, M, and J represent the measure of the angle K, L, M and J respectively.

From the figure we know that: L is 46°, M is 118° and J is 78°. Replacing these values on the initial equation and solving for K we get:

K + 46° + 118° + 78° = 360°

K + 242° = 360°

K = 360° - 242°

K = 118°

So, the measure of angle K is 118°

Hope this helps :)

5 0
3 years ago
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4x+3y=23 x-5y=0 using substitution
Andrei [34K]

Answer:

{x,y} = {115/17,-23/17}

Step-by-step explanation:

I believe its true.

8 0
2 years ago
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