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Aleks [24]
3 years ago
9

C =tid circumference = 3.14 x diameter

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
6 0

Answer:

75.36.

Step-by-step explanation:

C= Pi D (Pi times diameter) so you do 3.14x 24 which then you get your answer of 75.36.

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What is the area of a triangle with side lengths 13-14-15?
Novosadov [1.4K]

84. Area of a triangle is (base x height) / 2

3 0
3 years ago
A micro-photograph of a human hair shows the hair magnified 150 times. If the hair is
stepan [7]

Answer:

<em>The actual width of the hair is 20 / 150 = 0.13 mm</em>

Step-by-step explanation:

<u>Scaling</u>

Objects can be represented in a reduced or augmented size by using scaling which is basically multiplying or dividing by a constant factor. We use scaling in several applications of real-life.

The human hair is magnified 150 times by a micro-phtograph. This is the scale factor.

The hair can be seen 2 cm wide in the photograph.

Converting to millimeters, 2 cm = 2*10 = 20 millimeters.

The actual width of the hair is 20 / 150 = 0.13 mm

6 0
2 years ago
3/10 divided by -1/3
Snezhnost [94]

Answer:

-9/10

Step-by-step explanation:

  1. Find the LCM of 10 and 3: 30
  2. Alter the numerators to fit the denominators: 3 × 3 = 9, -1 × 10 = -10
  3. Re-write the fractions: 9/30 ÷ -10/30
  4. 9/30 ÷ -10/30 = 9/30 × -30/10
  5. 9/30 × -30/10 = -270/300
  6. -\frac{270}{300} = -\frac{9}{10}  

I hope this helps!

8 0
3 years ago
I need help the question is solve the equation n+75=155​
SashulF [63]
All you need to do for this is 155-75 which would be 80 :) hope this helps
5 0
2 years ago
Read 2 more answers
Simplify the equation 3x-4+2=-2x-5+5x Down to its simplest form do not solve the equation
lana66690 [7]

Answer:

the answer is 6x-7

Step-by-step explanation:

3x-4+2-2x-5+5x

3x-7-2x+5x

3x-7-2x+5x=

6x-7

7 0
2 years ago
Read 2 more answers
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