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kirill115 [55]
3 years ago
10

Fill in the blanks-

Mathematics
1 answer:
matrenka [14]3 years ago
8 0

unlike charges attract like charges repel

Atoms have positive protons, no charge neutrons and negative electrons


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Which relation is a function of x?
Lynna [10]

Answer:

The fourth option with x values of -3,-2,4 and 7 is a function of x.

Step-by-step explanation:

This is due to it having only one of each x value.

On the other tables, they have multiple values for an x value. This means that it is not a function

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3 years ago
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What is the least common multiple (LCM) of 6 and 10?<br> OA. 2.<br> OB. 20<br> O C. 30<br> OD. 60
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30

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Can someone help me with this math problem please and thank you. :-)
jok3333 [9.3K]

Triangle ABE is isosceles  / Given

AB congruent to AE     / Def isosceles

angle ABE congruent to angle AEB   / Property of isosceles triangles

angle ABD congruent to angle AEC   / Subst different name for same angles

BD congruent to EC     / Given

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5 0
3 years ago
It takes ten identical pieces to form a circular track for a pair of toy racing cars. If the inside arc of each piece is 3.4 inc
dsp73
 <span>Length of outer track = sum of length of 10 pieces = circumference of the outer circle 


if R is the Radius of outer circle then... 

Circumference of the outer track = 2pi*R 


Similarly the circumference of the inner track (with radius r) = 2pi*r 


length of each outer piece is 3.4 inch more than length of inner piece 

So total outer length is 10*3.4 =34 inches more than the inner length. 


=> Outer Circumference - Inner Circumference = 34 inches 

=> 2pi*R - 2pi*r = 34 

=> 2pi(R -r) = 34 

=> R-r = 34/2pi = 5.41 inches 

=> R-r = Width of the track = 5.41 inches</span>
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3 years ago
NASA cameras film a rocket launcher vertically from the launch pad, 3 miles away. When the angle between the camera and the grou
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The height of the rocket is found in terms of the angle as
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.. h = (3 mi)*tan(θ)

Then the rate of change of height (vertical velocity) is
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.. h' = (3 mi)*4*(1.5 rad/min)
.. h' = 18 mi/min

The rocket's velocity is 18 miles per minute at that moment.
8 0
3 years ago
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