Complementary angles - Study guides, Class notes & Summaries

What is a real number? -any number without 'i' what is a constant? - specific fixed number What is an integer? -a whole number What does quotient mean? -to divide Complementary angles -add to 90 degrees supplementary angles -add to 180 degrees On a 30,60,90 triangle, what are the sides starting smallest? - x, xroot3, and 2x On a 45,45,90 triangle, what are the side ratios? - x, x, and xroot2 How do you add vectors together? -<x,y>+<a,b>=<x+a,y+b> domain -x values ra...

base a number raised to an exponent. for example the base of 4³ is 4 reciprocal • the reciprocal of 2 is 1/2 • the reciprocal of x is 1/x • the reciprocal of 3/5 is 5/3. Every number has a reciprocal except 0 sum the result of adding 2 or more numbers difference The result of subtracting one number from another. product The answer when two or more numbers are multiplied together. quotient The answer to a division problem. order of operations PEMDA...

16 ounces correct answers1 pound 8 pints correct answers1 gallon 4 quarts correct answers1 gallon 2000 lbs (pounds) correct answers1 ton total # of degrees correct answers(# of sides - 2) x 180 supplmentary angles correct answers2 angles whose sum is 180 degrees complementary angles correct answersTwo angles whose sum is 90 degrees If 2 times r exceeds one-half of t by 5, which of the following represents the relationship between r and t correct answers2r - .5t = 5 If 3...

Geometry CBE reviewsegment - correct answer part of a line with two endpoints endpoint - correct answer A point at one end of a segment or the starting point of a ray. Ray - correct answer A part of a line, with one endpoint, that continues without end in one direction Types of Angles - correct answer acute, right, obtuse, straight Angle bisector - correct answer a ray that divides an angle into two congruent angles complementary angles - correct answer Two angles whose sum is 90 ...

Praxis 5169 Middle School Math Questions and Answers Rated A+ How to find the LCM multiply the number by 1,2,3 and so on until the same number appears to test proportions and make sure the ratios are equal cross multiply percentage as proportions can be solved by part/whole=n/100 (n stands for unknown number) prime factorization start dividing the number with 2 until you can't anymore than go to 3, 5, and so on and so forth greatest common factor list the factors of the numbers in question ...

The ACT Test Math Practice Test 55 Questions with Verified Answers Sine - CORRECT ANSWER Opposite/Hypotenuse Cosine - CORRECT ANSWER Adjacent/Hyptonuse Tangent - CORRECT ANSWER Opposite/Adjacent Circumference of a Circle - CORRECT ANSWER 2*Pi*R Area of a circle - CORRECT ANSWER Pi * R^2 Midpoint Formula - CORRECT ANSWER x1+x2/2 y1+y2/2 Linear Equation - CORRECT ANSWER Y=Mx+b M= - CORRECT ANSWER Slope B= - CORRECT ANSWER Y-intercept Pythagorean theorem - CORRECT ANSW...

Geometry Latest Update Graded A+ acute angle an angle that measures less than 90 degrees acute triangle a triangle with each angle less than 90 degrees adjacent next to, side by side altitude a line segment that joins a figure's vertex to its opposite side; it is also perpendicular to the opposite side angle two rays that share an endpoint arc part of a circle or any curve area the amount of surface inside a shape bisect to divide into two parts center exactly in the middle chord a l...

High School Placement Test Study Q&A Latest 2024/2025 Perimeter of a rectangle P=2l+2w or 2(l+w) Perimeter of a square P=4s Area of a triangle A= (1/2)bh Area of a rectangle A=bh or lw Area of a square A=s^2 Diameter of a circle d=2r Circumference of a circle C=2π or πd Area of a circle A=πr^2 Volume of rectangular solids V=lwh Pythagorean theorem a^2 +b^2 =c^2 Used to determine the length of the hypotenuse of a right triangle where c represents the hypotenuse. Avera...

High School Placement Test Study Q&A Latest 2024/2025 Perimeter of a rectangle P=2l+2w or 2(l+w) Perimeter of a square P=4s Area of a triangle A= (1/2)bh Area of a rectangle A=bh or lw Area of a square A=s^2 Diameter of a circle d=2r Circumference of a circle C=2π or πd Area of a circle A=πr^2 Volume of rectangular solids V=lwh Pythagorean theorem a^2 +b^2 =c^2 Used to determine the length of the hypotenuse of a right triangle where c represents the hypotenuse. Avera...

ACT Math Practice and Test 2 Exam 103 Questions with Verified Answers Distance Formula - CORRECT ANSWER d=√(x₁-x₂)² + (y₁-y₂)² Slope - CORRECT ANSWER M=y₂-y₁/x₁-x₂ Slope Intercept - CORRECT ANSWER y=mx+b Midpoint Formula - CORRECT ANSWER (x₁+x₂)/2, (y₁+y₂)/2 PEDMAS - CORRECT ANSWER order of operations Parenthesis, Exponents, Multiplication, Division, Add, Subtract. Quadratic Equation - CORRECT ANSWER ax²+bx+c= 0 Quadratic Formula - CORRECT ANSWE...