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Vanyuwa [196]
2 years ago
15

A tool for measuring angles in degrees is the protractor

Mathematics
1 answer:
alexandr402 [8]2 years ago
8 0

Answer:

that would be true !!!!!

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When two identical ions are separated by a distance of 4.2×10−10 , the electrostatic force each exerts on the other is 5.2×10−9
Effectus [21]
F = kq2 / r2 
q = ne 
 F = k(ne)2 / r2 
 n = âš(r2F / ke2) = (r/e) âš(F/k) 
 k = 9 x 109 Nm2/C2 
 e = 1.6 x 10-19 C 
 n = [(4.2 x 10-10) / (1.6 x 10-19)] âš[(5.2 x 10-9) / (9 x 109)] ≅ 1.995 ≅ 2
7 0
3 years ago
Mrs. Brand spent $50 on a sewing project. She bought 4 yd. of material and $6 worth on notions. What is the price per yard that
Dmitry [639]
50 - 6 = 44

44/4 = 11

The price per yard is $11.


I hope that helped you! c:
6 0
3 years ago
Which question can be answered by solving the inequality 8d &gt; 200<br> answers above
lubasha [3.4K]

It is the bottom right one because the amount he walked has to be greater than 200

4 0
3 years ago
Read 2 more answers
Hello can you please help me posted picture of question
allsm [11]
Total number of seats = 5
Total number of friends = 5

We want to find in how many ways the 5 friends can sit or be arranged in 5 seats. This can be found using permutations.So we are to find the permutations of 5 objects taken 5 at a time. This can be expressed as 5P5.

5P5 = 120

So, the 5 friends can sit in 120 different ways.

The correct answer is option D
4 0
3 years ago
Read 2 more answers
Help me please and thank you
posledela

Answer:

m∠N = 85°

Step-by-step explanation:

<u>Properties of a parallelogram</u>

  • opposite sides are parallel and equal in length
  • opposite angles are equal
  • interior angles that lie on the same side of the transversal are supplementary - their sum is 180°

Therefore,

m∠M + m∠N = 180°

⇒ 95° + m∠N = 180°

⇒ m∠N = 180° - 95°

⇒ m∠N = 85°

--------------------------------------------------------------------------------------

<u>Additional calculations</u>

m∠M = m∠P = 95°

m∠N = m∠L = 85°

MN = LP

ML = NP

5 0
2 years ago
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