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3 years ago

Which of these is a correct step I construing an angle bisector?

Mathematics

1 answer:

olasank [31]3 years ago

8 0

Answer:

1) Place the compass point at the vertex of the angle and open it to any width. Draw an arc that intersects of the sides of the angle.

2) Place the compass point at the one of the intersection points. Place the pencil at the other intersection point. This sets the compass with.

3) Draw an arc inside the angle.

4) Move the compass point to the intersection point on the other side of the angle being sure to keep the compass width the same. Draw a second arc inside the angle.

5) Make a point where the 2 arcs intersect the angle. Use a straight edge to draw a ray from the vertex of the angle through the point.

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Need help with 2 and 4 ASAP Inverses...

Drupady [299]

h(x) = 1/(x - 1)

Replace h(x) with y.

y = 1/(x - 1)

Swap x and y.

x = 1/(y - 1)

Solve for y.

Multiply both sides by (y - 1)

x(y - 1) = 1

Distributive property.

xy - x = 1

Add x to both sides.

xy = 1 + x

Divide both sides by x.

y = 1/x + 1

Replace y with h^-1(x)

H^-1(x) = 1/x + 1 is the inverse function for question 2.

h(x) = 4/(x + 2)

Replace h(x) with y.

y = 4/(x + 2)

Swap y and x.

x = 4/(y + 2)

Solve for y.

Multiply both sides by y + 2.

x(y + 2) = 4

Distributive property.

xy + 2x = 4

Subtract both sides by 2x.

xy = 4 - 2x

Divide both sides by x.

y = 4/x - 2

Replace y with h^-1(x)

H^-1(x) = 4/x - 2 is the inverse function for question 4.

4 0

3 years ago

3(t-7) =6. Solve for the and show steps

Taya2010 [7]

$3(t -7) = 6 \\ 3(t) + 3(-7)\\ 3(-7) = -21 \\ 3t = 3t \\ 3t - 21 = 6 \\Add21: 3t - 21 + 21 = 6 +21 \\ 3t = 21: Divide3 \\ \frac{3t}{3} cancel = \frac{27}{3}keep \\ t = 9$
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$8(h - 9) = 8 \\ 8h - 9 = 9 \\ 8h = 8h \\ 8(-9) = -72\\ 8h + (-72) = \\ 8h - 72 = 8 \\ Add72: 8h - 72 + 72 \\ = 8 + 72 \\ divide8 : \frac{8h}{8}cancel = \frac{80}{8} (keep) \\ h = 10$
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$9 + 2(z - 2) = 15 \\ 9+2(z)+ 2(-2)= 15 \\ 2(-2) = -4 \\ 9 +2z = ? \\ 9 +2z+4 = 15\\ Subtract5: 2z + 5 -5 \\ = 15 -5 \\ Divide2: 2z = 10 \\ \frac{2z}{2}cancel = \frac{10}{2} = 5 \\ z = 5$
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good luck on your assignment and enjoy your day

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4 0

3 years ago

Mrs. Forrester collects antique quilts. She already

Romashka [77]

Answer:

x=7

Step-by-step explanation:

x+15=2x+8

x-x+15=2x-x+8

15=x+8

x=7

4 0

3 years ago

Is 4vw + 7w, a binomial ?

enyata [817]

Step-by-step explanation:

Maybe yes because binomial is of 2 digits

Where as trinomial of 3 digits

7 0

3 years ago

Prove that ΔABC and ΔEDC are similar.

Lesechka [4]

Answer:

∠DCE is congruent to ∠CBA by the Vertical Angles Theorem and 15 over 5 equals 12 over 4 shows the corresponding sides are proportional; therefore, ΔABC ~ ΔEDC by the SSS Similarity Postulate.

Step-by-step explanation:

5 0

2 years ago