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dalvyx [7]
3 years ago
9

What unit of measurement can you use to measure a mass of a proton?

Mathematics
1 answer:
stealth61 [152]3 years ago
6 0
AMU ( atomic mass unit)
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What is the equation of a line passes thru the point (4, 2) and is perpendicular to the line whose equation is y = ×/3 - 1 ??
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Answer:

Perpendicular lines have slopes that are opposite and reciprocal. Therefore, the line we are looking for has a -3 slope.

y= -3x+b

Now, we can substitute in the point given to find the intercept.

2= -3(4)+b

2= -12+b

b=14

Finally, put in everything we've found to finish the equation.

y= -3x+14

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Answer:

Step-by-step explanation:

(40,5) and (0,0) are points on the line.

Slope of line = (40 miles)/(5 minutes) = 8 Mikes per minute

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What’s 0.769769769 in fraction form?
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Afina-wow [57]

5a) rotational symmetry is 2 because it can be rotated only 2 times before it turns to the original form.

b) perimeter is the total surface of all the sides so, because we are given a scale of 1 unit = 1cm then our measurements would be: 4cm + 3cm + 2cm + 1cm + 4cm + 3cm + 2cm + 1cm = 20cm.

c) To workout the area we need to divide the irregular shape into separate regular shapes<em>.</em><em> </em><em>the </em><em>diagram</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>you</em><em>!</em><em> </em>Shape 1 is a rectangle so, area = L × W = 3 × 2 = 6cm. Shape 2 is a square so, area = side² = 2² = 4cm. Shape 3 is the same as shape 1 so the area is 6cm. Now to find the area of the whole shape we add these values so, 6+4+6= area of shape = 16cm.

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3 years ago
What is the length of the missing leg? If necessary, round to the nearest tenth.
BabaBlast [244]

<u>Answer:</u>

  • The length of the hypotenuse is 40 mm.

<u>Step-by-step explanation:</u>

<em>We can solve for 'a' using Pythagoras theorem. Let's solve it.</em>

  • 10² = 5² + a²
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Hence, the length of the hypotenuse is 8.7 m.

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