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Triss [41]
3 years ago
15

The length of a DNA nucleotide building block is about 1 nanometer, or 0.000000001 meters?

Mathematics
1 answer:
anastassius [24]3 years ago
8 0

Answer:

A is the anser

Step-by-step explanation:

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Please solve the question and give correct answer with explanation so that i can understand it​
denis-greek [22]

Answer:

  • Yes

Step-by-step explanation:

Let the speed of the car is c and speed of the plane is p.

<h3>We are given:</h3>

The speed of the plane is 7 times the speed of the car

  • p = 7c

The distance traveled is

  • d = 315 km

The time difference to travel this same distance is 3 hours.

<h3>We know that:</h3>
  • d = ts, where d- distance, t- time, s - speed

Find the time for car and plane and their difference.

<h3>Car</h3>
  • t = d/s = 315/c
<h3 /><h3>Plane</h3>
  • t = d/s = 315/p = 315/(7c) = 35/c
<h3 /><h3>The difference</h3>
  • 315/c - 45/c = 3

<u>Solve it for c:</u>

  • (315 - 45)/c = 3
  • 270/c = 3
  • c = 270/3
  • c = 90 km/h

Now find the speed of plane:

  • p = 7c = 7*90 = 630 km/h

As we see, Jenny is right

6 0
2 years ago
Evaluate the series 4-2+1-0.5+0.25 to s10. Round to the nearest tenth.
andrew11 [14]
6god is watching from views
7 0
3 years ago
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Find what is x + 2½ = 10?
Ilia_Sergeevich [38]

Answer:

10 its just 10 or smthing

6 0
3 years ago
Read 2 more answers
Fiona wrote the linear equation y = x – 5. when henry wrote his equation, they discovered that his equation had all the same sol
djverab [1.8K]
I would go with A but I am not 100% sure so you may want to check however you can.
6 0
3 years ago
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(SAT Prep) Find the value of x.
emmainna [20.7K]

Answer:

120 deg

Step-by-step explanation:

Draw a horizontal line that passes vertices of 2 angles 125 deg and 115 deg.

This line is perpendicular with 2 vectors.

Apply the property of vertical angles and the sum of 3 angles in a triangle.

x = 180 - (125 - 90) - (115 - 90) = 120 deg

5 0
3 years ago
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