Questions asked by treid14

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• How are hydrogen bonds different from covalent bonds?
  
• 1. Four less than half a number is equal to 37 less than twice the number. How to translate the sentence into an equation and solve the equation?
  
• How to write a justification for Line 2, Line 3, and Line 4? Explain why you chose each justification. Line 1 5x – 2 = 3x + 7 Line 2 2x – 2 = 7 Line 3 2x = 9 Line 4 x = 4.5
  
• Gabriela is washing cars. She charges $15 for a car wash. She paid $145 for advertising, and uses $3 worth of cleaning products on each car she washes. When will Gabriela begin to make a profit? (a) Write an inequality to model the problem. (b) Solve t
  
• Which points are solutions of the system? x>3 y< or equal to 2x-5 Choose all answers that are correct (4,-4) (4,8) (5,10) (6,0) (6,-2)
  
• Which points are solutions of the system? x + y> or equal to 1 x - 2y>6 Choose all answer that are correct (4,-2) (4,5) (6,3) (6,0) (6,4)
  
• 6. During an experiment the _________is observed and measured. What is missing?
  
• 7. The ___________ is the part of an experiment that the experimenter manipulates or changes. What is missing?
  
• What is a theory?
  
• The equation of a graph is 4x - 3y = 5. What is the x-intercept? A) 2/3 B) 3/4 C) 5/4 D) 5 /8
  
• How do you Solve for d? h + 4 /d = 5b A) d = bh + 5 B) d = h/5b C) d = h + 4 /5b D) d = h − 4 /5b
  
• If all cells have the same genes, explain why skin cells are so different compared to heart cells?
  
• Explain cell differentiation and provide some examples?
  
• What conditions must be present for transcription of the Lac Operon genes? What is the function of a repressor protein if lactose is absent?
  
• Define recombinant DNA and explain a purpose?
  
• Glucose is broken down during cellular respiration to produce carbon dioxide and?
  
• Which statement describes what occurs in both animal and plant cells?
  
• A:5x-2y=10 B:4x+3y=7 To solve this system of equations by eliminations, what could you multiply each equation by to cancel out the y-variable?
  
• Little Miss Buffet takes all the money from her piggy bank and puts it into a savings account at her local bank. The bank promises an annual interest rate of 2.5% on the balance, compounded semiannually. How much will she have after one year if her initi?
  
• A new car worth $20,000 loses 20% of its value every year. Is the value of the car represented by a linear or exponential function?
  
• In the recursive formula f(n) = f(n - 1) + 5, the value of the previous term is represented by ?? A) f(n) B) f(5) C) f(n + 5) D) f(n - 1)
  
• Identify the type of clause that is underlined in the following sentence? We were standing in the house where William Shakespeare was born. Question options: adjective adverb noun independent
  
• In the following sentence, what word is being modified by the underlined adverb clause? They greeted the newcomer as if they had known him forever. Question options: They greeted newcomer forever
  
• What is the discriminant D of the equation? a^2 – 2a + 5 = 0 D=_______
  
• What is the discriminant D of the equation? 6y^2 + 2 = –7y D = _________
  
• Use the discriminant to determine the number and type of solutions the equation has? x^2 + 8x + 12 = 0 A.no real solution B.one real solution C. two rational solutions D. two irrational solutions
  
• How many and what type of solutions does the equation have? 5y^2 = 18y – 4 A. no real solutions B. one real solution C. two rational solutions D. two irrational solutions
  
• How many and what type of solutions does the equation have? –4x^2 – 2 = 10x A. no real solutions B. one real solution C. two rational solutions D. two irrational solutions
  
• What was the role of the U.S. in the Vietnam Conflict?
  
• 3(x – 1) < -3(2 – 2x)? A) x > 1 B) x < 1 C) x > -1 D) x < -1
  
• A new car depreciates at a rate of 15% per year. What is the expected value of a $25,000 car after 5 years (rounded to nearest whole dollar)? A) $20750 B) $11093 C) $9429 D) $6250
  
• Which sequence matches the recursive formula? #a_n = 2a_(n-1) + 5#, where #a_1 = 5# A) 5, 10, 15, 20, ... B) 5, 15, 35, 75, ... C) 5, 15, 25, 35, ... D) 5, 20, 35, 50, ...
  
• Write the quadratic function f(x) = x2 + 8x + 3 in vertex form? A) f(x) = (x - 4)2 - 13 B) f(x) = (x - 4)2 + 3 C) f(x) = (x + 4)2 + 3 D) f(x) = (x + 4)2 - 13
  
• When solving this system of equations by elimination, which could be the resulting equation when a variable has been eliminated? 3x - 2y = 10 5x + y = 4 A) 13x = 18 B) -7x = 2 C) -7y = 62 D) 8x - y = 14
  
• O solve this system of equations by addition, what could you multiply each equation by to cancel out the x-variable? A: 5x - 2y = 10 B: 4x + 3y = 7
  
• Which is a value equivalent to the square root of 18? A) #182# B) #2sqrt(3)# C) #3sqrt(2)# D) #abs(18)#
  
• What is the interquartile range for this set of data? 11, 19, 35, 42, 60, 72, 80, 85, 88
  
• In natural ecosystems, the presence of predators lessens the effects of _________________ among the prey? A) competition B) infestation C) parasitism D) symbiosis
  
• Which of these correctly distinguishes mitosis from meiosis? A) Mitosis occurs in germ cells and meiosis occurs in somatic cells. B) Crossing over takes place in mitosis and not in meiotic cell division. C) Meiosis produces four 2N daughter cells; mitos
  
• In any food web, the organisms that are responsible for converting raw energy into usable chemical energy are collectively called ________ while organisms that recycle the nutrients trapped in dead organisms are collectively called_______?
  
• DNA and RNA differ in all BUT one of the following ways?
  
• Platyhelminthes, like the flatworm seen here, do not have a respiratory system. All but one of the statements explains why this is possible. That is they?
  
• Alyssa finds an organism in her yard that is growing underneath an old fencepost? It lives in a very dark, moist environment on decaying leaves. It grows three inches tall within one week, and it is attached to the ground. In which kingdom should this org
  
• According to cell theory?
  
• Here are the numbers of pages in the books on a reading list. 71 96 110 112 114 114 121 127 135 175 180 Which data values are outliers? Choose all answers that are correct.
  
• How many runners took at least 30 min to finish the race?
  
• What type of distribution is shown in the frequency table? Class Frequency 0–9 5 10–19 9 20–29 12 30–39 16 40–49 13 50–59 11 60–69 4
  
• What is the range of the data set? 214 83 106 99 83 155 175
  
• Atlanta had the following temperatures recorded for the last nine days of February: 44, 49, 39, 43, 50, 44, 45, 49, 51 For this data, which summary statistic in NOT correct?
  
• Round 25 to the nearest percent?
  
• Round 25 to the nearest percent?
  
• Q is the midpoint of GH¯¯¯¯¯¯ , GQ=2x+3, and GH=5x−5 . What is the length of GQ¯¯¯¯¯ ?
  
• What is the length of HN¯¯¯¯¯¯ ? segment A N with point H between A and N. congruency markings on segment A H and segment H N. segment A N is labeled as being 38 units long
  
• The measure of angle TML is 104 degrees. What is the measure of angle LMV? [image in the description]
  
• For a regular 20-sided polygon, what is the degree of rotation?
  
• What is the least angle measure by which the figure can be rotated so that it maps onto itself? 45° 90° 180° 360°
  
• Alicia draws an equilateral triangle and then rotates it about its center. Through which angle measures can she rotate the equilateral triangle to map it onto itself?
  
• What transformation transforms (p, q) to (q, p)​?
  
• Point (w, z) is transformed by the rule ​(w+5, z)​ ?
  
• Point P(−5, 2) is translated using the rule (x+3, y−1). What is the x-coordinate of P' ?
  
• Point T(3, −8) is reflected across the x-axis. Which statements about T' are true?
  
• What transformation is represented by the rule (x, y)→(x, −y) ?
  
• Point (m, n) is transformed by the rule ​(m−3, n)​. What type of transformation occurred?
  
• Point B(6, −3) is translated using the rule (x−5, y+9). What is the y-coordinate of B' ?
  
• Point T(3, −8) is reflected across the x-axis. Which statements about T' are true?
  
• What transformation transforms (a, b) to (a, −b)​?
  
• Point (a, b) is transformed by the rule ​(a, b−4)​ . What type of transformation occurred?
  
• What is the sum of the measures of the interior angles of an octagon?
  
• Enter the measure of each interior angle of a regular octagon?
  
• What is the value of x?
  
• Enter the measure of an exterior angle of a regular pentagon?
  
• What is the sum of the measures of the interior angles of an octagon?
  
• Enter the measure of an exterior angle of a regular pentagon?
  
• A) There are several ways to name the given angle. Angle PFY is one way. What are the other three ways? b) Classify the angle as acute, right, obtuse or straight. How do you know?
  
• Pre-image: A(−4, 2) , B(4, 4) , and C(−1, 2) Image: A′(−2, 1) , B′(2, 2) , and C′(−12, 1) Is the dilation an expansion or contraction? What is the scale factor?
  
• What role did Africa play in the origin of the human species?
  
• What product, produced in ancient China, would be become the basis of trans-continental trade?
  
• Who were the Hittites and the Aryans?
  
• What is the equation for the line of reflection that maps the trapezoid onto itself?
  
• The dashed triangle is the image of the solid triangle. The center of dilation is (−4,−4). What is the scale factor used to create the dilation?
  
• Which of the following statements is a conditional statement?
  
• What is the contrapositive to this statement? Statement: If you feel hungry, then you eat.
  
• Ava draws three parallelograms. In each figure, she measures a pair of angles, as shown. What is a reasonable conjecture for Ava to make by recognizing a pattern and using inductive reasoning? In a parallelogram, all angles a
  
• Yasmin looked at the pattern 2, 6, 18, 54, and determined that the next number should be 162. What type of reasoning did she use?
  
• Determine whether the following argument is valid or invalid? Argument: If a number is divisible by 2, then it is even. The number 4 is divisible by 2. Therefore, the number 4 is even.
  
• A conjecture and the flowchart proof used to prove the conjecture are shown. Match the expression or phrase to each box to complete the proof?
  
• A conjecture and the two-column proof used to prove the conjecture are shown. Match each expression or phrase to the appropriate statement or reason?
  
• Which statement about the following argument is true? If an animal is a koala, then it is a marsupial. If an animal is a marsupial, then it carries its young in a pouch. Therefore, if an animal is a koala, then it carries its young in a pouch.
  
• Name the property that justifies the statement? If AB = BC and BC = CD, then AB = CD.
  
• A conjecture and the two-column proof used to prove the conjecture are shown. Match the expression or phrase to each statement or reason to complete the proof?
  
• Adina is constructing a line perpendicular to YJ←→. She has already constructed two arcs as shown. She moves her compass point to Y to construct an arc above the line. What must be true about the width of Adina’s compass opening before she draws the arc?
  
• Mayumi is constructing a line through point P that is perpendicular to RS←→. She places her compass on point P to construct an arc. What must be true about the width of the compass opening when Mayumi draws the arc?
  
• Natasha is constructing the bisector of PQ¯¯¯¯¯PQ¯. She has already constructed an arc as shown. What should Natasha do for her next step?
  
• What are? <RQU ___ <SQU ____ <RQT ____
  
• What is the name of the line of reflection for the pair of figures? Line______
  
• Deshawn draws a regular pentagon and rotates it about its center. Which angle measures can Deshawn rotate the regular pentagon through to map it onto itself?
  
• What is x?
  
• What is the equation for the line of reflection that maps the trapezoid onto itself?
  
• The dashed triangle is the image of the solid triangle. The center of dilation is (6,6)(6,6). What is the scale factor used to create the dilation?
  
• The coordinates of a polygon are (2, 3), (4,7), (8,5), and (7,2). If the polygon rotates 90° clockwise about the origin, in which quadrant will the transformation lie? What are the new coordinates?
  
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