3 years ago

One angle of an isosceles triangle measures 40°. Which other angles could be in that isosceles triangle?

Mathematics

1 answer:

Orlov [11]3 years ago

6 0

Answer:

100° and 70°

Step-by-step explanation:

100°, 40°, and 40°

and

40°, 70°, and 70°

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Hypotenuse of 15 and opposite of 12For this triangle what is the cos

muminat

<h3>Given</h3>

right triangle with side "a" = 12 and hypotenuse "c" = 15

cos(∠A)

<h3>Solution</h3>

The Pythagorean theorem tells you

... b = √(c² - a²) = √(225 - 144) = √81 = 9

The definition of the cosine tells you

... cos(A) = b/c = 9/15

... cos(A) = 3/5 . . . . . . reduce the fraction

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3 years ago

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Step-by-step explanation:

4,8,12

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4 years ago

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soldi70 [24.7K]

Answer:

$\large\boxed{x\in\left(-\dfrac{13}{3},\ \infty\right)}$

Step-by-step explanation:

$4(x+1)+4>x-5\qquad\text{use the distributive property}\\\\4x+4+4>x-5\\\\4x+8>x-5\qquad\text{subtract 8 from both sides}\\\\4x>x-13\qquad\text{subtract}\ x\ \text{from both sides}\\\\3x>-13\qquad\text{divide both sides by 3}\\\\x>-\dfrac{13}{3}\to x\in\left(-\dfrac{13}{3},\ \infty\right)$

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3 years ago

two sons have name Monday and Wednesday and mother's Friday what will be the name of father? let's check ur sense

Vlada [557]

Answer:

I don't have any sense lol but ummmm Sunday I'm guessing.

Step-by-step explanation:

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3 years ago

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There are some children playing at the park when 4 more arrive and begin playing. Now there are 28 children playing at the park.

lisov135 [29]

Currently there are 28 children playing. Until a moment ago, 4 of those 28 werent there. To find out how many there were a moment ago, we have to exclude those 4 kids that just came — or subtract the number of kids that just came from the number of kids currently playing.

28-4=24

We can check: 24+4=28

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3 years ago