1. 1. There are 150 weights. Some are 1 kg weights and some are 2 kg weights. The sum of the weights is 260.What is the number of 1kg weights? 2. A is driving on a highway…

1. Hello! I am Jeff, I am 10 years old and this is my family. Can you guess how old are they? NEXT My dad is thirty-two years older than me. He is thirty-one How old is my…

1. Hello! I am Jeff, I am 10 years old and this is my family. Can you guess how old are they? NEXT My dad is thirty-two years older than me. He is thirty-one How old is my…

1. Hello! I am Jeff, I am 10 years old and this is my family. Can you guess how old are they? NEXT My dad is thirty-two years older than me. He is thirty-one How old is my…

1. How old is my Hello! I am Jeff, I am 10 years old anddad?this is my family. Can you guess how oldare they?He is thirty-oneHe is thirty-nineHe is forty-twoMy dad is thirty-two…

1. Hello! I am Jeff, I am 10 years old and this is my family. Can you guess how old are they? NEXT My dad is thirty-two years older than me. He is thirty-one How old is my…

1. Hello! I am Jeff, I am 10 years old and this is my family. Can you guess how old are they? NEXT My dad is thirty-two years older than me. He is thirty-one How old is my…

Slide 1 Particle Accelerators and Detectors World ’ s Largest ‘ Microscopes ’ Slide 2 Contents What is a Particle Accelerator? An Early Accelerator Modern Linear and…

Slide 1 1 2.5:Reason Using Properties from Algebra Goal:Use algebraic properties in logical arguments. Slide 2 2 Algebraic Properties of Equality Let a, b, and c be real…

Earthquakes (Chapter 13) Lecture Outline What is an earthquake? Seismic waves Epicenter location Earthquake magnitude Tectonic setting Hazards Earthquake An earthquake is…