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2 years ago

What is being constructed based on the markings in the following diagram?

Mathematics

2 answers:

Liula [17]2 years ago

6 0

Answer:

perpendicular line through a point on a line

Step-by-step explanation:

The circle centered at C seems intended to produce point D at the same distance as point B. That is, C is the midpoint of BD.

The circles centered at B and D with radius greater than BC seems intended to produce intersection points G and H. (It appears accidental that those points are also on circle C. As a rule, that would be difficult to do in one pass.)

So. points G and H are both equidistant from points B and D. A line between them will intersect point C at right angles to AB.

Segment GH is perpendicular to AB through point C (on AB).

wolverine [178]2 years ago

3 0

Answer:

Perpendicular line through a point on a line

Step-by-step explanation:

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Solve the equation: 5|2x-7|=20

MA_775_DIABLO [31]

Answer:

x = $\frac{11}{2}$ , $\frac{3}{2}$

Step-by-step explanation:

First, isolate the absolute value:

5|2x - 7| = 20

divide both sides by 5:

|2x - 7| = 4

break into 2 equations:

2x - 7 = 4, 2x - 7 = -4

solve both equations and collect solutions:

2x = 11, 2x = 3

x = $\frac{11}{2}$ , $\frac{3}{2}$

6 0

2 years ago

Read 2 more answers

What is the volume of this sphere?

Natasha_Volkova [10]

Answer:

Option c. 11,488.21 cm3

Step-by-step explanation:

The picture of the question in the attached figure

we know that

The volume of the sphere is equal to

$V=\frac{4}{3}\pi r^{3}$

we have

$r=28/2=14\ cm$ ---> the radius is half the diameter

$\pi =3.14$

substitute

$V=\frac{4}{3}(3.14)(14)^{3}$

$V=11,488.21\ cm^3$

3 0

2 years ago

PLEASE ANSWER THIS ASAP !!!!

AveGali [126]

Answer:

use grad formula

Step-by-step explanation:

(4-10)/(46-31)=-2/5

8 0

2 years ago

Simplify (leave in exponential form) 7^-2

Tamiku [17]

7^-2= 1/7^2
= 1/14
= 0.071429

7 0

2 years ago

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Simplify the complex expression (3+2i) + (-4+6i)

Pani-rosa [81]

(3 + 2i) + (-4 + 6i)

Get rid of the parenthesis.

3 + 2i - 4 + 6i

Note how we got rid of the (+) sign in +(-4). We do this because a negative times a positive is always going to be a negative.

Combine like terms.

(2i + 6i) + (3 - 4)

Simplify.

8i - 1

~Hope I helped!~

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2 years ago