Physical Science
What are the two different forces acting on a falling leaf?
air resistance and gravity
What are the roots of the quadratic equation,
2x2+6x-108=0?
x = -9, 6
The type of respiration in which glucose is broken down without oxygen to release energy is called _____.
anaerobic
Set A contains the factors of 54 while set B contains the set of prime numbers, what numbers are common to both?
{2, 3} or 2, 3
The other name for the antemeridian.
International Date Line
Simplify completely: (x3 - 3x2 - 4x) ÷ (x2 - 16)
x(x+1)/(x+4)
Cats, for example, are not native to the Philippine land. They change how the food chain is structured in a certain community. These characteristics categorize cats as _____ species.
invasive
-14 - 62/5 + 2.4
-18
A 9 kg object experiences a 45 N force for 3 s. What is the momentum change of the object?
135 Ns
Determine the remainder of the function P(x)=x3-2x+4 if P(x) is divided by x+2
0 or zero
How many valence electrons does fluorine have?
7
Three pencils and one notebook cost Php 90, while one notebook and two ballpens cost Php126. If one ballpen costs thrice as much as one pencil, how much is one notebook?
Php 54
It refers to the true brightness of a star located at 10 parsecs.
absolute magnitude
What is the equation of the line that passes through the points (0,-5) and (2,8)? Write your answer in standard from.
13x - 2y = 10
The pituitary gland produces this hormone to stimulate sperm production in males and egg production in females.
follicle-stimulating hormone or FSH
In a class of 75 students, 29 are wearing a wristwatch. If 3/7 of the girls and 1/3 of the boys are wearing wristwatch, how many boys are there in the class?
33 boys
Running a lawn mower with gasoline converts ________ energy into thermal and mechanical energy.
chemical energy
Solve for x: (216 · 32) ÷ 64 = 22x-1
x = 8
What is the correct electron configuration of phosphorus that has an atomic number of 15?
1s22s22p63s23p3
It is the 15% of the 60% of 15,000.
1350