30 60 90 right triangle - Study guides, Class notes & Summaries

Accuplacer Exam 136 Questions with Verified Answers Define - "ordered pairs" - CORRECT ANSWER = (x, y) = a single point on a coordinate plane Define - "origin" - CORRECT ANSWER = (0,0) = the point where two axes meet Explain - "quadrants" - CORRECT ANSWER = when the two axes (x and y) cross they form 4 quadrants Explain what - "the distance" means Define - "distance formula" for a line(s) - CORRECT ANSWER = "distance" - the length between two points on a plane - (x1...

area of a circle surface area of a sphere surface area of a cone πr x slanted length x πr^2 volume of cone volume of a sphere area of trapezium 1/2(a+b) x height circumference of a circle π x d volume of a cuboid l x w x h volume of a cylinder volume of a pyramid 1/3 x area of base x h distance speed x time density mass/volume pressure force/area Pythagoras' Theorem a^2 + b^2 = c^2 Quadratic equation when ax^2 + bx + c = 0 Sine rule a/sinA = ...

FULL GED PRACTICE TEST QUESTIONS AND ANSWERS 1. Find a positive number which when increased by 11 is equal to 60 times the reciprocal of the number? A. 15 B. 4 C. 11 D. 7 - ANS B If x and y are two whole numbers such that x^y = 121, then the value of (x−1)y−1 would be? A. 1 B. 10 C. 121 D. 1000 - ANS B A ladder of a certain fixed length leans against a wall forming a 60ᵒ angle between the ground and the ladder. If the bottom of the ladder is 10 feet away from the ...

1. Proteins necessary for body's mainte- nance, growth, and repair (GS) 2. Carbohydrates and Fats used primarily for energy (GS) 3. 212 Water boils at degrees fahrenheit (GS) 4. 100 Water boils at degrees Cel- sius (GS) 5. 373 Water boils at Ks on the Kelvin scale (GS) 6. Veins carry blood from capillaries toward the heart. (GS) 7. Arteries carry blood away from the heart. (GS) 8. Ventricles lower chamber of the heart (GS) 9. Red Blood Cells component of blood which car- ri...

SAT Practice Test with Answer Key with Complete Solutions. The practice tests included with this workbook have been designed to give you the real “game day”-type practice you need to succeed on the SAT. When you take the practice tests, you should try to replicate the conditions of an actual SAT testing situation. Key points to consider are: • Make sure you have a long block of time where you can concentrate on the test without interruption. • Use the answer sheets provided in th...

Elevator Mechanic Exam Latest 2024 Already Passed A Latching relay: Used for call registration,direction selection or as selector relays Two types are: Set/Rest are electrical and Mechanical Latching relays Need to know latching relay symbol, Its a box with shaded triangle in lower right hand corner. - Answer ️️ -Which relay do you need to Order 710 Pg, 7 RPM = 60 ∙ ƒ ÷ P÷2 = Step 1. 60 x Frequency (Hz.) = Step 2. Poles ÷ 2 = Take answer 1 and ÷ by answer 2 = - Answer ️️ ...

ACT Test Prep Math Concepts 104 Questions with Verified Answers Undefined - CORRECT ANSWER division by zero; a/bc is ___ if b or c is equal to zero real number - CORRECT ANSWER number that has a location on the number line imaginary number - CORRECT ANSWER on the ACT, ___ numbers involve the square root of a negative number; square root of -4 integer - CORRECT ANSWER this is a whole number.. includes negative whole numbers and zero rational number - CORRECT ANSWER a number that...

1,000,000 May be represented as: A: 10^4 B: 10^5 C: 10^6 D: 10^7 - correct answer C: 10^6 If X is less than 0, and Y is greater than 0, then: A: x is greater than Y B: X+Y is greater than 0 C: XY is less than 0 D: XY is greater than 0 - correct answer C: XY is less than 0 If 3^n-2=27, then n equals A: 5 B: 7 C: 8 D: 12 - correct answer A: 5 what is the square root of 4 raised to the fifth power? A: 8 B: 16 C: 32 D:64 - correct answer C: 32 The third ro...

WGU C972 College Geometry 100% Correct Area of a Circle A=πr² Arc Length Formula L = 2πr (m⁰/360⁰) Circumference of a circle 2πr or πd Area of a sector Area of a Sector = (central angle/360) x πr² Midpoint formula (x₁+x₂)/2, (y₁+y₂)/2 Distance Formula d = √[( x₂ - x₁)² + (y₂ - y₁)²] slope-intercept form y=mx+b point-slope form y - y1 = m(x - x1) intercept form x/a + y/b = 1 general form Ax + By + C = 0 definition of a tetrahedron closed solid structure fo...

1. Find a positive number which when increased by 11 is equal to 60 times the reciprocal of the number? A. 15 B. 4 C. 11 D. 7 - Answer- B If x and y are two whole numbers such that x^y = 121, then the value of (x−1)y−1 would be? A. 1 B. 10 C. 121 D. 1000 - Answer- B A ladder of a certain fixed length leans against a wall forming a 60ᵒ angle between the ground and the ladder. If the bottom of the ladder is 10 feet away from the wall, how long is the ladder? A. 20 feet B. 10 ...