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What are the key aspects of the graph of fx=x2-b2, where b is a real number?
Algebra
11 months ago
Orly uses 2 cups of raisins for every 8 cups of trail mix she makes. How many cups of trail mix will she make if she uses 10 cups of raisins? 40 cups 1 3/5 cups 8 cups
Algebra
11 months ago
In circle C, what is moverline FH 2 31 ° 48 ° 112 ° 121 °
Geometry
11 months ago
Consider △ RST and △ RYX If the triangles are similar, which must be true? RY/YS = RX/XT = XY/TS RY/RS = RX/RT = XY/TS RY/RS = RX/RT = RS/RY RY/RX = RS/RT = XY/TS
Geometry
11 months ago
The graph of a function g is given. a Find g-4,g-2,g0,g2 , and g4. g-4=3 g-2=2 g0=-2 g2=[1,3 Your answer cannot be understood or graded. More Information g4=0 b Find the domain and range of g. Enter your answers using interval notation. domain [-4,2],2,4] range [-2,3]
Algebra
11 months ago
What is the absolute value of the complex number -4- square root of 2i ? square root of 14 3 square root of 2 14 18
Algebra
11 months ago
Write a two-column proof. Given: 7y=8x-14;y=6 Prove: x=7
Algebra
11 months ago
The diameter of a circle is 15 cm. Find its area to the nearest whole number.
Geometry
11 months ago
Directions: State the null and the alternative hypotheses of the following statements 1. A medical trial is conducted to test whether or not a new medicine reduces uric acid by 50%. Ho: Ha: 2. We want to test whether the general average of students in Math is different from 80%. Ho: Ha: 3. We want to test whether the mean height of Grade 8 students is 58 inches. Ho: Ha: 4. We want to test if LPIHS students take more than four years to graduate from high school, on the average. Ho: Ha: 5. We want to test if it takes less than 60 minutes to answer the quarterly test in Calculus Ho: Ha: 6. A medical test is conducted to determine whether or not a new vaccine reduces the complications of dengue fever. Ho: Ha: 7. The enrolment in high school this school year increases by 10%. Ho: Ha: 8. The intelligence quotient of male grade 11 students is the same as the female students. Ho: H_a: 15 9. The school want to test if the students in Grade 7 prefer online distance learning as the method of instruction. Ho: Ha: 10.The school librarian wants to find out if there was an increase in the number of students accessing the school library. Ho: H_a
Algebra
11 months ago
Using the floor plan work out to 2 decimal places: The area in each room. The total area that needs to be carpeted. The total cost to carpet the house. Total Area m2 Total Area $ Carpet Price: $ 128.00p/m2
Algebra
11 months ago
1 Which of these numbers cannot be a probability? a. 20% b.0.5 c. 1.001 d.0 2 A jar contains 3 red marbles, 7 green marbles and 10 white marbles. If a marble is drawn from the jar at random, what is the probability that this marble is white? a. 3/20 b.7/20 c. 1/20 d½ 3 A quiz contains three multiple choice-type questions and two true/false-type questions. Suppose you guess the answer randomly on every question. The table below gives the probability of each score.. Score 0 1 2 3 4 5 Probability 0.105 0.316 0.352 0.180 0.043 0.004 What is the probability of failing the quiz getting 0, 1, 2, or 3 correct by guessing? a. 0.047 b. 0.575 c. 0.773 d. 0.953
Algebra
11 months ago
Which expression converts 100 inches per minute to feet per minute? frac 100 inches 1 minute * frac 60 minutes1 hour frac 100 inches m inute * frac 1 hour 60 minutes frac 100 inches 1 minute * frac foot 12 inches frac 100 inches1 minute * frac 12 inches1 foot
Algebra
11 months ago
What are the solutions of the quadratic equation 49x2=9 ? 。 x= 1/9 and x=- 1/9 。 x= 3/7 and x=- 3/7 。 x= 3/4 and x=- 3/4 x=frac 9 49 and x=- 9/49
Algebra
11 months ago
Which value of AB would make line EB parallel to line DC? 36 4 24 5
Geometry
11 months ago
Consider the quadratic function fx=8x2-7x+6 . What is the constant of the function? -7 6 7 8
Algebra
11 months ago
1. The amount of pure alcohol that is in a 1.25 oz. pour of 80 proof spirits is: Select the correct response: 1 oz. .5 oz. .25 oz. None of the Above
Algebra
11 months ago
Which represents the reflection of fx= square root of x over the y-axis?
Algebra
11 months ago
1. A tank not rigid contains 2.3 L of helium gas all 25 ° C . What will be the volume of the tank after heating it and its content to 40 ° C temperature at constant pressure? 2. A 2-L gas sample at 20 ° C is cooled until it occupies a volume of 520 mL. What is the new temperature of the gas? Express your final answer in ° C
Algebra
11 months ago
Match column A with column B. Write the letter of the correct answer in your A B 1. A. A=b * h 2. B. A=s2 3. C. A=L * W D. A= 1/2 b * h 4. E A=frac |b|+_2|2 * h 5.
Algebra
11 months ago
The student noticed that if he writes a multiplication sign between the second and third digit of number 2020 the product 20 . 20 gives a perfect square. How many numbers between 2010 and 2099 without 2020 have the same property?
Algebra
11 months ago
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