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scZoUnD
2 months ago
3

Complete the two-column proof. Given: ∠2 and ∠5 are supplementary Prove: l is parallel to m Need help quick

Mathematics
1 answer:
Leona [12.6K]2 months ago
5 0
1) Statement: ∠2 and ∠5 are supplementary.

Reason: This is given.

2) Statement: ∠2 and ∠3 have the same measure.

Reason: Vertically opposite angles are always equal.

3) Statement: If ∠2 equals ∠3 and ∠2 is supplementary to ∠5, then ∠3 must be supplementary to ∠5.

Reason: By applying the substitution property.

4) Statement: Lines l and m are parallel.

Reason: According to the converse of the Same-Side Interior Angles Theorem, if two lines are intersected by a transversal and the consecutive interior angles are supplementary, then those lines are parallel.

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Bob Cooper was born in 1900. By 1930 he had 3 sons, all with the Cooper last name. By
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28 days ago
The measure of central angle QRS is StartFraction 8 pi Over 9 EndFraction radians. What is the area of the shaded sector? 36Pi u
babunello [11817]

The illustration is omitted. Please see the attachment below.

Answer:

The area of the shaded sector is 144π square units.

Step-by-step breakdown:

Given:

The central angle for the sector is, \theta=\frac{8\pi}{9}\ rad

The circle's radius is, R=18\ units

The area of a sector with radius 'R' and angle \theta can be determined with:

A=\frac{1}{2}R^2\theta

Substituting \theta=\frac{8\pi}{9},R=18 gives

A=\frac{1}{2}\times (18)^2\times \frac{8\pi}{9}\\\\A=(\frac{324\times 4}{9})\pi\\\\A=(36\times 4)\pi\\\\A=144\pi\ units^2

Thus, the area of the shaded sector calculates to 144π square units.

5 0
2 months ago
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Sheri’s cab fare was $32, with a 20% gratuity and no taxes. Sheri wrote a check to the cab driver for $40.
zzz [12365]

Indeed, a fare of $40 is a fair charge for the cab ride.

Explanation

Sheri's cab fare totaled $32, with a gratuity rate of 20%.

The gratuity amount is: \$32* 20\% = \$32*0.20= \$6.40

Thus, the total cab fare including gratuity is: \$32+\$6.40 = \$38.40

Since Sheri issued a $40 check to the cab driver, it indicates she provided ($40 - $38.40) or an extra $1.60 to the cab driver. Consequently, the $40 payment is reasonable for the cab fare.

5 0
2 months ago
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Find x if a =13 and C = 47 need help
Inessa [12570]

You can utilize the Pythagorean theorem expressed as a^2 + b^2 = c^2... if b is unknown, you can rearrange the formula. Hence, c^2 - a^2 = b^2. Squaring 47 gives 2209 and squaring 13 yields 169... Subtracting gives you 2209-169, which results in 2040. Taking the square root of that yields approximately 45.166359, which can be rounded to 45 or as 45.167 when expressed to two decimal places. I hope this helps!:)

7 0
2 months ago
Kayla says that the point labeled C in the diagram below is the center. Raymond says that point C is the radius. A sphere. The c
Leona [12618]

Answer:

Kayla is right; the center constitutes a fixed point located at the sphere's core.

Step-by-step explanation:

Kayla is indeed correct, whereas Raymond is mistaken since a point itself cannot represent a radius; a radius is defined as the line segment stretching from the center to the surface.

The center is indeed the stable point positioned at the center of the sphere.

6 0
28 days ago
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