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2 years ago

The measure of the exterior angle of the triangle is ° .

Mathematics

1 answer:

Ira Lisetskai [31]2 years ago

4 0

equal to the sum of the measures of the two non-adjacent interior angles of the triangle

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Whats the median of (20, 15, 14, 16, 17, 12, 20, 22)

Tatiana [17]

Answer:

16.5

Step-by-step explanation:

Given data to us is ,

20, 15, 14, 16, 17, 12, 20, 22 .

Arrange it in ascending order .

= 12 , 14 , 15 , 16 , 17 , 20 , 20 , 22

The middle most observation will be median in case n is odd and average of middlemost observations if n is even , that is n = 8 .

=> Middlemost observations = 16 , 17

=> Mean = 16 + 17 /2 = 33/2 = 16.5

5 0

2 years ago

An alloy of silver and gold is to be recast with an addition of silver. This new alloy consists of 80 ounces and is to have only

Liula [17]

Answer:

What percentage of gold is in the new alloy after the recasting? 4

Step-by-step explanation:

(80/5)*(1/5)/80=0.04

5 0

3 years ago

Help with num 9 please. thanks

Alik [6]

Answer:

See Below.

Step-by-step explanation:

We want to show that the function:

$f(x) = e^x - e^{-x}$

Increases for all values of x.

A function is increasing whenever its derivative is positive.

So, find the derivative of our function:

$\displaystyle f'(x) = \frac{d}{dx}\left[e^x - e^{-x}\right]$

Differentiate:

$\displaystyle f'(x) = e^x - (-e^{-x})$

Simplify:

$f'(x) = e^x+e^{-x}$

Since eˣ is always greater than zero and e⁻ˣ is also always greater than zero, f'(x) is always positive. Hence, the original function increases for all values of x.

8 0

3 years ago

Which of the following equations could be used to find the value of 3,550 ÷ 25?

fiasKO [112]

Answer:

A is correct answer

Step-by-step explanation:

$(3000 + 500 + 50) \div 25 \\$

$(3550) \div 25$

$= = > 3550 \div 25$

Thanks

Don't forget to tell the name of your country.

8 0

2 years ago

What is the smallest and largest number that round to 170,000

Maksim231197 [3]

Assuming you're rounding to the nearest ten-thousand, Smallest is 165,000and largest is 174,000

8 0

2 years ago