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3 years ago

Two triangles in a triangle measure 65 degrees what is the measure of the third angle in the triangle

Mathematics

1 answer:

natulia [17]3 years ago

3 0

Answer:

115 degrees is the third angle measure.

Step-by-step explanation:

All the angle measures of a triangle are supposed to add up to 180 degrees, so 180-65=115.

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Help that one side is 2x-2

bogdanovich [222]

Answer: x = 2/3

Step-by-step explanation:

Add all sides.

2x-2 + 2x - 2 + x + x =

6x - 4

Put " = 0 "

6x-4 = 0

Add 4 to both sides.

6x-4 = 0

+4 = +4

-------------------

6x=4

You get 6x = 4 because the 4 on the left side of the equals sign cancelled out!

NOW DIVIDE 6 FROM BOTH SIDES

6x = 4

/6 /6

-----------

x= 4/6

SIMPLIFY / REDUCE FRACTION

4/6 divided by 2 = 2/3

2/3 is the answer !

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3 years ago

Please answer this correctly

gogolik [260]

Answer:

50%

Step-by-step explanation:

There are 3 numbers fitting the rule, 1, 2, and 6. There is a 3/6 chance rolling one of them or 50%.

5 0

3 years ago

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What is the solution to the equation One-third (x minus 2) = one-fifth (x + 4) + 2? x = 12 x = 14 x = 16 x = 26

Elena L [17]

Answer:

x = 26

Step-by-step explanation:

Given

$\frac{1}{3}$ (x - 2) = $\frac{1}{5}$ (x + 4) + 2

Multiply through by 15 to clear the fractions

5(x - 2) =3(x + 4) + 30 ← distribute and simplify both sides

5x - 10 = 3x + 12 + 30, that is

5x - 10 = 3x + 42 ( subtract 3x from both sides )

2x - 10 = 42 ( add 10 to both sides )

2x = 52 ( divide both sides by 2 )

x = 26

3 0

3 years ago

What fraction of a gallon is 3 pints

dedylja [7]

1/2 a gallon would be 3 pints

7 0

3 years ago

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QUESTION 3 of 10: Stock returns vary from year to year. The more variance a stock displays the greater the potential risk. These

Dahasolnce [82]

Answer:

The variance of these investment returns is 74

Step-by-step explanation:

Given:

Series = 10, 30, 15, 5, 20

To Find:

variance of a series = ?

Solution:

The variance of the series = $Var\left(X\right)=\sum _{i=1}^n\frac{\left(x_i-\bar{x}\right)^2}{n}$

$\bar{x} = \frac{10+30 +5+15 + 20}{5}$

$\bar{x} = \frac{80}{5}$

$\bar{x} =16$

Now $(x_i -\bar{x})^2 =$ $(10 -16)^2 + (30 -16)^2 + (5 -16)^2 +(15 -16)^2 +(20 -16)^2$

= $(-6)^2 + (14)^2 + (-11)^2 + (-1)^2+ (-4)^2$

= 36 + 196 +121 + 1+ 16

= 370

Now

$Var\left(X\right)=\frac{370}{5}$ = 74

6 0

3 years ago

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