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Pavel [41]
2 years ago
7

Which pair of triangles can be proven congruent by SAS?

Mathematics
2 answers:
Vlada [557]2 years ago
8 0
Triangle B can be proven congruent
Vanyuwa [196]2 years ago
8 0
Second one is the only one with two sides and an angle marked so 2
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An elevator starts at the basement with 8 people (not including the elevator operator) and discharges them all by the time it re
Rus_ich [418]

Answer:

1287

Step-by-step explanation:

Number of people in elevator , n = 8

Number of floors, r = 6

Since they all look alike, arrangement doesn't matter, the we use combination :

(n+r-1 r - 1) = (8+6-1 C 6-1) = 13C5

Recall:

nCr = n! / (n-r)!r!

13C5 = 13! / (13-5)!5!

13C5 = 13*12*11*10*9 / 5*4*3*2*1

= 1287

4 0
2 years ago
Leo and Maggie volunteer at the local bird sanctuary.
sattari [20]

Answer:2.4

Step-by-step explanation:

12 * 20% = 12 * 0.20 = 2.4 hours

It will not last the entire shift.

7 0
2 years ago
On a map, the distance from Akron to Cleveland measures 2 centimeters. What is the actual distance if the scale of the map shows
miss Akunina [59]
2cm x 30km/cm = 60km
3 0
2 years ago
Find the equation of the line through (8,−6) which is perpendicular to the line y=x3−7.
ycow [4]

Answer:

y = (-1/3)(x + 10)

Step-by-step explanation:

The slope of the new (perpendicular) line is the negative reciprocal of the slope of the given line, which appears to be 3.  Thus, the perpendicular line has the slope -1/3.

Using the slope-intercept form y = mx + b, and substituting the givens, we obtain:

y = mx + b    =>    -6 = (-1/3)(8) + b, or

-6 = -8/3 + b.  We must solve for the y-intercept, b:

Multiplying all three terms by 3 removes the fraction:

-18 = -8 + 3b.  Thus, -10 = 3b, and so b must be -10/3.

The desired equation is    

y = (-1/3)x - 10/3, or

y = (-1/3)(x + 10)

8 0
2 years ago
Two sides of a triangle measure
Eduardwww [97]

Answer:

4

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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