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ra1l [238]
3 years ago
6

The length of the base of an isosceles triangle is x. The length of a leg is 4x - 6. The perimeter of the triangle is 51. Find x

.
Mathematics
1 answer:
harkovskaia [24]3 years ago
6 0

Answer:

Step-by-step explanation:

if the base=x

length of one leg is =4x-6

length of the other leg is also =4x-6 (isosceles)

P=x+4x-6+4x-6=51

9x-12=51

9x=51+12

9x=63

x=63/9=7

x=7

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The equations used to find the measure of each angle in degrees is x + y = 90 and x = 6y - 1

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<em><u>Solution:</u></em>

Given that two angles are complementary angles

Complementary angles are two angles whose sum is 90 degrees

Let one of the angle be "x" and the other angle be "y"

Therefore,

x + y = 90 ------ eqn 1

Also given that,

One angle is one less than six times the measure of  another

one angle = six times the other angle - 1

x = 6y - 1 ------ eqn 2

Substitute eqn 2 in eqn 1

6y - 1 + y = 90

Thus the above equation is used to find the measure of each angle in degrees

Solve the above equation

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Substitute y = 13 in eqn 2

x = 6(13) - 1

x = 78 - 1

x = 77

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3 years ago
Ahmad rented a movie. He started the movie at 6:48 pm, and it was 4 hurs 27 minutes long. When did the movie end?
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Answer:

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Step-by-step explanation:

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3 years ago
What is the equation of a line with a x-intercept of −2 and a y-intercept of 10?
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Hey there! :)

Answer:

y = 5x + 10

Step-by-step explanation:

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Step-by-step explanation:

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<h2>stay safe healthy and happy.</h2>
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