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Harlamova29_29 [7]
3 years ago
13

Can someone help me with this page please.

Mathematics
2 answers:
LenaWriter [7]3 years ago
6 0

Answer:

1) positive

2) zero

3) positive

4) negative

5) negative

6) negative

7) 9

8) -5

9) 5

10) -23

11) -20

12) -20

13) 4,500- 4,800

Dmitriy789 [7]3 years ago
5 0

Answer:

<h2>Part 1:</h2>

Going by the rule stated on top of the paper:

  1. Positive; |-3| < |5|
  2. Zero; 16+(-16)= 16 - 16 =0    
  3. Positive; Both numbers are positive.
  4. Negative; |-150| > |125|
  5. Negative; |-11| > |4|
  6. Negative; Both numbers are negative.
<h2>Part 2: </h2>

17+(-6)= 17-6= 11

-8 + 3 = -5

9+(-4)=9-4=5

-13+(-10)=-13-10=-23

-12+(-8)= -12-8=-20

-5+(-15)=-5-15=-20

And for the last question, it would be 4,500 -4,800, but since the question asks for an addition sentence, it would be: 4500+(-4800)

Hope this helps, brainilest is appreciated.

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Two metal disks, one with radius r = 2. 50 cm and the other with radius r = 5. 00 cm are welded together and
vova2212 [387]

The total moment of inertia of the two disks will be I = 2.375 × 10-³ Kgm² welded together to form one unit.

<h3>What is moment of inertia?</h3>

Moment of inertia is the quantity expressing a body's tendency to resist angular acceleration, which is the sum of the products of the mass of each particle in the body with the square of its distance from the axis of rotation.

Using the formulas to calculate the moment of inertia of a solid cylinder:

I = ½MR²

Where;

I = moment (kgm²)

M = mass of object (Kg)

R = radius of object (m)

Total moment of inertia of the two disks is expressed as: I = I(1) + I(2)

That is;

I = ½M1R1 + ½M2R2

According to the provided information;

R1 = 2.50cm = 0.025m

M1 = 0.800kg

R2 = 5.00cm = 0.05m

M2 = 1.70kg

I = (½ × 0.800 × 0.025²) + (½ × 0.05² × 1.70)

I = (½ × 0.0005) + (½ × 0.00425)

I = (0.00025) + (0.002125)

I = 0.002375

I = 2.375 × 10-³ Kgm²

Hence The total moment of inertia of the two disks will be I = 2.375 × 10-³ Kgm² welded together to form one unit.

To know more about moment of inertia follow

brainly.com/question/14460640

#SPJ4

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2 years ago
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Yakvenalex [24]
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I am a prime number between 30 and 40. What number could I be?
Aneli [31]

Answer:

31 and 37 are the only prime numbers between 30 and 40

5 0
3 years ago
Read 2 more answers
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