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3 years ago

My first number is -2, my fifth number is 26What is my third number?

Mathematics

2 answers:

GREYUIT [131]3 years ago

5 0

Firstly, Subtract the smallest number from the largest number

26 - - 2 = 28

28 spans over 5 numbers so we divide it to figure out the difference between each number

28 / 5 = 5.6

-2 is the 1st number

+5.6

3.6 is the 2nd number

+5.6

9.2 is the 3rd number

Liula [17]3 years ago

4 0

9.2 is the 3rd number

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3 years ago

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inysia [295]

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3 years ago

Determine the unknown angle measures, to the nearest degree, in the diagram provided.

serg [7]

Answer:

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Step-by-step explanation:

Using sine trig rule:

${ \boxed{ \bf{ \sin(b) = \frac{opposite}{hypotenuse} }}}$

${ \tt{ \sin(b) = \frac{78}{132} }} \\ \\ { \tt{b = { \sin }^{ - 1}( \frac{78}{132} ) }} \\ \\ { \tt{b = 36.2 \degree}}$

Summation of angles of triangle:

${ \tt{a + b + 90 \degree = 180 \degree}} \\ { \tt{a + 36.2 \degree + 90 \degree = 180 \degree}} \\ { \tt{a = (180 - 36.2 - 90) \degree}} \\ { \tt{a = 53.8 \degree}}$

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3 years ago

My first number is -2, my fifth number is 26What is my third number?​

My first number is -2, my fifth number is 26What is my third number?