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guajiro [1.7K]
3 years ago
10

You are given the steps for using a compass and a straightedge to construct a perpendicular to a given line through a point not

lying on the given line. Arrange the steps in the proper sequence
Geometry
Mathematics
2 answers:
labwork [276]3 years ago
5 0
First use the compass to make a circle on the line then move the compass and do it again so that the circles cross. use the straight edge to make a line through where the circles intersect and you're finished.
crimeas [40]3 years ago
4 0

Place compass needle  on external point R

Make compass width greater than distance from R to given line

Draw arc cutting given at 2 points

Mark / label points of intersection P and Q

Don't change compass width, move compass needle to Q, draw another arc below line crossing previous arc

Move compass needle to P , make arc below line

Mark / label point of intersection S.

Draw line from external point R to point where arcs intersect, S

Line RS is perpendicular to line PQ and passes thru external point R


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The variables x and y vary directly. Use the values to find the constant of proportionality, k . Then write an equation that rel
Vaselesa [24]

Answer:

k = 9/8

y = 9/8x

Step-by-step explanation:

45/40 = 9/8

To check:

40 * 9/8 = 45

Hope this helps!

7 0
3 years ago
Find the percentage of: 21% of 18 use a set of fraction operations method to find the percentage.
Pani-rosa [81]

Answer:

4.8%

Step-by-step explanation:

21% of 18

following the BODMAS rule, OF means multiplication

and also this sign% always means 100

so,it will be  21/100 * 18/1

this a laptop so i cant put it in a fraction way.....okay

this is how it shows...21/100 * 18/1

lets divide....

21/100 * 18/1

we will use 2 to divide

2 in 100=50

2 in 18=9

so it will be 21/50 * 9/1

nothing can divide so we will multiply

21*9/50*1

189/50=3.78≈4.8%

4 0
3 years ago
Solve the following system of equations by the substitution method.
ArbitrLikvidat [17]
8x = 2y + 5
3x = y + 7

We will use the second equation to substitute in the first one. Here's how to do it:
3x = y + 7
y = 3x - 7 (now substitute this in the first equation)

8x = 2y + 5
8x = 2(3x - 7) + 5
8x = 6x - 14 + 5
8x = 6x - 9
6x - 9 = 8x
6x - 8x = 9
-2x = 9
x = -9/2 (this is the first coordinate, now we need to find y)

We use the second equation again:
3x = y + 7
y + 7 = 3x
y + 7 = 3(-9/2)
y + 7 = -27/2
y = -27/2 - 7
y = -27/2 - 14/2
y = -41/2 (this is the second coordinate)

This means that the solution set is the second option: <span>{(-9/2, -41/2)}</span>
4 0
4 years ago
A light bulb consumes 3600 watts- hours per day. How many watt - hours does it consume in 5 days and 6 hours?
Serjik [45]

Answer:

13500/3600= 3 days and 3/4 of a day

5 0
3 years ago
Read 2 more answers
Please help me answer this
aleksandr82 [10.1K]
1.75 or 1 3/4 or 175/100
8 0
3 years ago
Read 2 more answers
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