bronzewolf504

Find the midpoint between the two points (10, -9) and (-16, -17).

Answer the following questions.

If and , find

If and , find .

If , , and . Find .    

What’s the difference between Cleavage and Fracture? Explain below.

What is the difference rational and irrational numbers?

Find the mean proportional between the following. 4 and 9 

Find the value of x .Type ur answer in fractional form like a/b.

3:x=10:4

Find the value of x .Type ur answer to 2 SF.

x:(34-x)=9:8

Find the value of x .Type your answer without spaces.

11a/13b = x/-13b

For the transformer ,the ratio of the number of turns in secondary winding to the number of turns in the primary winding is 25.The secondary winding has 8250 turns.Find the number of turns in the primary.Type your ans to 3 SF.

What is a Complex Equation?

What is equation

In a photoelectric experiment, a metal is irradiated with light of energy 6.56 eV. If a stopping potential of 1.04 V is required, what is the work function of the metal?
 eV

Find tan(α) in the triangle.

Choose 1 answer:

a.   

b.   

c.   

d.   

Consider right triangle ∠DEF below:

Which expressions represent the length of side ?

Choose two answers:

a. 3.8 tan (40)

b. 3.8  tan (50)

c.   

d.   

Consider right triangle below

Which expressions are equivalent to tan ( ∠G)?

Choose two answers:  

A.  

B.   

C.   

D. 

I need the answer to this question

What is the reference angle for 140 degrees?

State the law of conservation of energy in a complete sentence.

Find the following trigonometric values.

Express your answers exactly.

How does a catalyst speed up a chemical reaction?

◯ A. by lowering the activation energy

◯ B. by lowering the △H of the reaction

◯ C. by raising the energy of the products

◯ D. by raising the energy of the reactants