You will need to weight those balls only twice. You weight 6 balls, 3 on one side of weight and 3 on another, and other 3 balls you have are in your hand.

Check picture bellow

8 0

2 years ago

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If tan x =3/4, and 0

jasenka [17]

Answer: x=0.6435011

Step-by-step explanation:

Take the inverse tangent of both sides of the equation to extract

from inside the tangent.

arctan

(

)

Evaluate

arctan

(

)

0.6435011

The tangent function is positive in the first and third quadrants. To find the second solution, add the reference angle from

to find the solution in the fourth quadrant.

(

3.14159265

)

0.6435011

Simplify the expression to find the second solution.

Tap for more steps...

3.78509376

Find the period.

Tap for more steps...

The period of the

tan

(

)

function is

so values will repeat every

radians in both directions.

0.6435011

3.78509376

, for any integer

Consolidate the answers.

0.6435011

, for any integer

6 0

2 years ago

Determine if the two triangles are congruent. If they are, state how you know.

alexira [117]

They are congruent by SSS. (Side-side-side)

The two outside pairs of sides are stated as congruent.

The inside side is congruent by reflective property

We have 3 congruent sides, so the triangle is congruent by SSS

3 0

2 years ago

Evaluate the following expression (2.3)-3(1,1)

uranmaximum [27]

Answer:

2.3 - ( 3, 1)

Step-by-step explanation:

1) Simplify 3 × (1, 1) 3 × (1, 1) to 3× 1, 13 × 1,1.

2.3 - ( 3 × 1, 1 )

2) Simplify 3 × 1 to 3.

2.3 - ( 3, 1)

Therefor, the answer is 2.3 - ( 3, 1).

3 0

2 years ago

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