• Plutonium-240 decays according to the function Qt=Q_oe-kt where Q represents the quantity remaining after t years and k is the decay constant, 0.00011... To the nearest 10 years, how long will it take 27 grams of plutonium-240 to decay to 9 grams? A. 18,900 years B. 2,100 years C. 1.44 years D. 9,990 years

  Algebra

  10 months ago

• Which statement about the transformation is true? It is rigid because all side lengths and angles are congruent. It is rigid because no side lengths or angles are c ongruent. It is nonrigid because all side lengths are congruent. It is nonrigid because no side lengths or angles are c ongruent.

  Algebra

  10 months ago

• 10. Fill in the blanks by = or ≠ to r i A∪B_B∪A ii A∪φ_A iii φ∪A

  Algebra

  10 months ago

• 1. A watch store owner decided to offer 20% discount for a particular brand of watch that sells at P35,000.00. By doing so, his average sales increased from 5 watches to 12 watches a day. If he bought one watch at a price of P22,000.00 from the supplier, by how much was his daily profit increased or decreased by offering such discount on the watch?

  Algebra

  10 months ago

• , Blake knows that one of the solutions to x2-6x+8=0 is x=2 . What is the other solution? x=-6 x=-3 x=4 x=8

  Algebra

  10 months ago

• 1. What term means “per hundred"? A.base B. percent C. percentage D. rate 2. Which of the following is correct? A. 33% =0.33 B. 33% =03.3 C. 33% =33 D. 33% =3.03 3. 45% of the grade 5 pupils are girls. Express 45% as decimals. A. 0.045 B. 0.45 C. 4.5 D. 45.0 4. In the statement 35% of 600=210 . Which is the percentaae? A.35% B. 600 C.210 D. none 5. Which does not belong? A.21% B.21/100 C. 21:100 D. 21 6. Which element of percent represent part of the whole? A.base B. percent C. percentage D. rate 7. In a survey on the choice of pizza, 900 out of 1500 people _ preferred brand A to B. What percent preferred A? What is the missing element?

  Algebra

  10 months ago

• 38. Two angles of a triangle measure 59 ° and 63 ° . If the longest side measures 28 centimeters, find the length of the shortest side.

  Algebra

  10 months ago

• The subject of the formula below is y. y=4x+3 Rearrange the formula to make x the subject.

  Algebra

  10 months ago

• Which type of triangle will always have at least 1-fold reflectional symmetry? right triangle obtuse triangle acute triangle isosceles triangle

  Algebra

  10 months ago

• If 22x=23 , what is the value of x? 2/3 3/2 2 3

  Algebra

  10 months ago

• Learning Task 3: Using the table below, transform the information presented into paragraph form. Write your answer in your notebook. atd los

  Algebra

  10 months ago

• Problem 13 [ /2A] *must show work or explain answer for full marks. Luca moves in a straight line. These arrows represent Luca's movements toward the left and toward the right. 52 m 102 m 106 m At his final position, where is Luca in relation to his initial position? 10

  Algebra

  10 months ago

• What is the range of y=log _8x ? all real numbers less than 0 all real numbers greater than all real numbers not equal to 0 all real numbers

  Algebra

  10 months ago

• Mr Wilkinson invests £3000 at a compound interest rate of 2.2% per annum.. He wants his investment to earn more than £800 interest. Work out the least time, in years, that it will take. use multiplier method

  Algebra

  10 months ago

• Convert 2100 grams into ounces. Round your answer to the nearest tenth. *Note: you must use these exact conversion factors to get this question right.

  Algebra

  10 months ago

• Solve the following problems. Make prediction based on the problem.. A. A spinner is divided into four equal sections numbered 1 to 4. It is spun 100 times. Here are the results o the spin 1. Find the probability of that 4 will be spun. 2. Find the probability of that 3 will be spun. 3. Find the probability of that 2 will be spun. 4. Find the probability of that 1 will be spun.

  Algebra

  10 months ago

• The sum of several consecutive natural numbers is 2012. How many numbers were in that sum?

  Algebra

  10 months ago

• For which rational expressions is -5 an excluded value? Select two options. x+5/x-5 frac x2-5x2+5 frac x-3x2-25 frac 2x+1x2+25 frac x-5x2+5x

  Algebra

  10 months ago

• 4. Which is heavier, 500 grams or 1/2 kilogram? a, 500 grams b. 1/2 kilogram c. They are equivalent.

  Algebra

  10 months ago

• 9. Which of the following given is NOT solvable by Sine Rule/ Law? A. Two sides and an included angle SAS B. Two angles and one side C. Two angles and an included side ASA 0,In Delta ABC with sides a, b, and C, which of the fellowing illustrates Sine Rule/ Law? A. alpha sin A=bsin B=csin C B. frac asin A=frac bsin B=frac csin C C. alpha sin A=frac bsin B=csin C

  Algebra

  10 months ago