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nikdorinn [45]
3 years ago
7

Lines AB and CD are straight lines. Find x and y. Give reasons to justify your solutions.

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
5 0

9514 1404 393

Answer:

  x = 14°

  y = 5°

Step-by-step explanation:

Angle COL is complementary to both 25° (∠AOC) and 5y (∠LOM). Then it must be true that ...

  5y = 25°

  y = 5° . . . . . . divide by 5

__

Similarly, angle MOB is complementary to angle LOM, so ...

  90° -25° = 3x +23°

  42° = 3x . . . . . subtract 23° and simplify

  14° = x . . . . . .  divide by 3

The values of x and y are ...

  • x = 14°
  • y = 5°
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Pluto is 5,560,000,000 years old. Estimate the age of Pluto by writing it in the form of x×10y years, where x and y are single-d
SashulF [63]

Answer:

The age of pluto is:

5,560,000,000 years old = 5.56 × 10⁹ years old

x = 5.56

y = power of 9

Step-by-step explanation:

Pluto is 5,560,000,000 years old. Estimate the age of Pluto by writing it in the form of x×10y years, where x and y are single-digit numbers.

We write this in standard form or scientific notation.

5,560,000,000 years old = 5.56 × 10⁹ years old

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4 0
3 years ago
At work, Brett must check and record the internal temperature of the freezer on an hourly basis. When working properly, the temp
antoniya [11.8K]

Answer:

B. zero

Step-by-step explanation:

If the temperature is supposed to remain constant over time (the same) when working properly, then this means that there is no increase or decrease over time.

If there were a line to represent this, then it would be a straight line with a slope of 0 because the temperature would remain the same.

4 0
3 years ago
the following image is a trapazoid.if XW is congruent YZ and measaure of m = 72 degrees. calculate the measure of X
AnnyKZ [126]

Answer:

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is your answer

6 0
3 years ago
Read 2 more answers
What is the equation of the line that has a slope of -6 and passes through the point (-1,3)
tangare [24]

Answer:

-2,9

Step-by-step explanation:

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8 0
2 years ago
What is the slope in slope-intercept form for this graphs?
s2008m [1.1K]

Answer:

Step-by-step explanation:

since the line crosses the y axis at -4  we know that b in the slope intercept form is -4 . now we just need the slope..  and slope is rise over run  or y/x... soooo   .....

looking at the graph I see that the point (-1,4) and (0,-4) look like they are points on the graph..  

soooo....

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y= -8x + (-4)

y = -8x -4    :)

7 0
3 years ago
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