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
Organisms that consume nutrients from decaying matter are considered to be _____.
saprophytic
If set A contains the factors of 54 while set B contains the set of prime numbers, what is their intersection?
{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
The mechanism that allows another plate to be subducted as well.
slab suction
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
At what point will the graphs of 3x - y = 4 and
2x + y = 11 intersect?
(3,5)
The pituitary gland produces this hormone to stimulate sperm production in males and egg production in females.
follicle-stimulating hormone or follicle-stimulating
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
A light bulb with resistance of 2 ohms is connected to a 15-V battery. What is the current flowing through the circuit?
7.5 A or 7.5 amperes
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
24 people go on holidays. If 15 go swimming, 12 go fishing, and 6 do neither, how many go swimming and fishing?
9 people