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likoan [24]
3 years ago
11

Ma. 77 b. 154c. 1d. 26

Mathematics
1 answer:
garri49 [273]3 years ago
6 0

Answer:

The correct option is 154

Step-by-step explanation:

Base angles of an isosceles trapezoid are equal.

We have:

18x+8 = 11x+15

Combine the like terms:

18x-11x=15-8

7x=7

Divide both sides by 7

7x/7 = 7/7

x=1

Therefore the base angles are 18+8 = 26 degrees. Now subtract 26 degrees from 180 degrees to get m∠K.

180-26 = 154

Thus the correct option is 154....

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How do you do this pleaseee whel Mee
Rufina [12.5K]
I would use simultaneous equations to do this.
let the greater number be y and the smaller be z.
so,
y - z = 2452. we call this formula 1.
y = 5z. this is formula 2.
since formula 2 directly already tells you what is y, we don't need to modify it, we can directly sub it into formula 1.
so now we get,
5z - z = 2452.
4z = 2452
z = 613
great, now we have z, just sub z = 613 into formula 2.
y = 5 x 613
y = 3065
now we have both numbers and we just add them together for the sum.
613 + 3065 = 3678
so I think the answer is 3678.
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