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Veseljchak [2.6K]
2 years ago
14

Write the numbers in a standard form: 57,900,000 227,900,000 1,427,000,000

Mathematics
1 answer:
alexira [117]2 years ago
5 0

Answer:

madarchud

bhag loudeye bsdk

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2 years ago
Which point on the x-axis lies on the line that passes through point P and is perpendicular to line MN?
rodikova [14]

1. Points M and N have coordinates (-4,0) and (4,2), respectively.

Then vector \overrightarrow{MN}=(4-(-4),2-0)=(8,2) is perpendicular to the neede line.

2. Write the equation of line that passes through the point P(2,-4) and is perpendicular to vector  \overrightarrow{MN}=(8,2):

8(x-2)+2(y+4)=0,\\8x-16+2y+8=0,\\8x+2y-8=0,\\4x+y-4=0.

3. Find the point on x-axis, that lies on the perpendicular line.

When y=0, then 4x-4=0, x=1 and point (1,0) lies on perpendicular line.

Answer: correct choice is C.

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3 years ago
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The working out for 637 divided by 13
Sedbober [7]
I thing the answer you are looking for is 49 
5 0
3 years ago
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Line k is graphed at right.
saw5 [17]

Answer:

See below ↓↓

Step-by-step explanation:

<u>Equation of line k</u>

  • y = mx + b
  • m = Δy/Δx (ratio of change in y to change in x) = 2/3
  • b = 3 (as y-intercept is [0,3])
  • ⇒ y = 2/3x + 3

<u />

<u>a. parallel line</u>

  • For parallel lines, slope (m) remains the same, but the y-intercept (b) changes
  • ⇒ <u>y = 2/3x + 1</u>

<u></u>

<u>b. perpendicular line</u>

  • For perpendicular lines, the slope (m) is the negative reciprocal of the original line and the value of b stays the same [it can be any point as long as it intersects the line]
  • ⇒ <u>y = -3/2x + 1</u>
5 0
1 year ago
Hi help me for vbucks
Leokris [45]
D. 44



4.5•2=9
9•3.14=28.26
28.28 rounds down to 28cm

11.5•2=23
23•3.14=72.22
72.22 rounds down to 72cm
72-28=44
8 0
3 years ago
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