(1, -2) because the expression inside the square root must be > or = 0. The square root of a negative number is imaginary complex numbers.
x - 1 = 0
x = 1
then y = -2
Answer:
1) Allosaurus - A dinosaur that lived 145 to 155 million years ago.
2) T. Rex- It us well represented.
3) Moon rock - it is found on earths moon.
4) Sedimentary rock - Made out of small particles.
5) The Parthenon Sculptures - 30% of surviving was brought to the U.K.
6) Slate - A metamorphic rock composed to clay.
7) Mudstone - Grain size is up to 0.063 millimeters.
8) Conglomerate - Is longer than 2 mm in diameter.
9) Stegosaures - The moving plant eater.
10) Triceratops - A plant eater.
11) Apatosaurus - The best known species.
12) Lydia coin - Is the most famous coin.
20%
A change from 65 to 78 represents a positive change (increase) of 20%
Use the formula found below to find the percent change by replacing the given values:
Percent change = [(New - Old ) / |Old|] x 100%
Answer:
B
Step-by-step explanation:
The measure of the chord- chord angle ABC is half the sum of the arcs intercepted by the angle and its vertical angle, that is
∠ ABC = 0.5( 82 + 44)° = 0.5 × 126° = 63° → B
