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MATH SOLVE
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Jannette can repair a refrigerator in 60 minutes. Liza can repair a refrigerator 20 minutes faster. If they work together, how many minutes does it take them to repair the refrigerator
General
4 months ago
To prepare the arena for a concert takes 62 3 4 hours of work. How many minutes is this? minutes.
General
4 months ago
Ed bought $2,000 in stock shares one week before the stock price dropped $10.00. If he had waited for the price setback, he could have bought 10 more shares f or the same amount. How many shares did he buy?1.)402.)503.)60
General
4 months ago
If triangle ABC is reflected over the y-axis, which of the following shows the coordinates for point C'? (3, 7) (3, −7) (−3, 7) (−3, −7)
General
4 months ago
What are the key features of logarithmic and exponential graphs and how do transformations affect them?
General
4 months ago
Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms. 6 – 2x3 – 3x + 6x3A. –4x3 – 3x + 6; quadratic trinomialB. 4x3 – 3x + 6; quadratic binomialC. 8x3 – 3x + 6; cubic polynomialD. 4x3 – 3x + 6; cubic trinomialpls explain your answer
General
4 months ago
A die with 6 sides is rolled and the number on top is observed. What is the probability of rolling a die once and observing a number less than 5?1/62/35/64
General
4 months ago
The table below shows the movie preferences of high school and college students: Movie Preference Action Drama Comedy Row totals HS 40 23 12 75 College 20 51 28 99 Column 60 74 40 174 Julie mistakenly calculated the conditional relative frequency for college students who like comedy as being 70%. What did Julie actually calculate, and what is the correct answer? A. She calculated the joint relative frequency for college/comedy. The correct value of conditional relative frequency for college students who like comedy is 28%.B. She calculated the conditional relative frequency for comedy films that are liked by college students. The correct value of conditional relative frequency for college students who like comedy is16%. C. She calculated the conditional relative frequency for comedy films that are liked by college students. The correct answer is 28%. D. She calculated the joint relative frequency for college/comedy. The correct answer is 16%.
General
4 months ago
Males and females (ages 13–18) were surveyed to choose a favorite free-time activity: playing computer games, listening to music, or watching movies/TV. The survey showed the following frequencies: Females—playing computer games: 4; music: 20; watching movies/TV: 16 Males—playing computer games: 15; music: 12; watching movies/TV: 13 Which of the following is a correct two-way frequency table for the data?
General
4 months ago
Which of the following pairs is not correctly written in scientific notation?1,207,000 = 1.207 × 10(To the 6th power)6,500 = 6.5 × 10(to the 2nd power)901 = 9.01 × 10(to the 2nd power)40,200 = 4.02 × 10(to the 4th power)
General
4 months ago
Which best defines a diploid cell during meiosis?a cell that has double the number of chromosomes as the parent cella cell that has half the number of chromosomes as the parent cella cell that has double the number of chromosomes as the daughter cella cell that has half the number of chromosomes as the daughter cell°
Algebra
4 months ago
Which best defines homeostasis?
Algebra
4 months ago
Which best defines partial pressure in a mixture of gases?pressure that is exerted by all the gases of a mixture on the containerpressure that is exerted by one gas as if it occupied a container by itselfhalf of the pressure that is exerted by the gases of a mixture on the containersum of the individual pressures that are exerted by two or more gases
Algebra
4 months ago
which best describes ionization energy? a. energy needed to add an electron to a neutral atom in the gas phase b. energy needed to add an electron to a neutral atom in the liquid phase c. energy needed to remove an electron from an atom or ion in the gas phase d. energy needed to remove an electron from an atom or ion in the liquid phase
Algebra
4 months ago
Which best describes the effect of J. J. Thomson’s discovery?the accepted model of the atom was changed.The accepted model of the atom was supported.Cathode ray tubes were no longer used in experiments due to poor results.Cathode ray tubes became the only instrument of use in the study of atoms.
Algebra
4 months ago
Which best describes the exocrine glands?1. Exocrine glands function only for digestion and temperature regulation.2. Exocrine glands can sometimes release substances out of the body.3. Exocrine glands secrete substances into the bloodstream.4. Exocrine glands are only found in the skin and mouth.
Algebra
4 months ago
Which best describes the function of a centrifuge?to separate the solute from the solventto separate the dissolved part of a solution into layersto separate a mixture by heating it for a long period of timeto separate the undissolved particles of a mixture into layers
Algebra
4 months ago
Which best describes the purpose of a control sample
Algebra
4 months ago
Which best describes the strength of the model with an r-value of -0.93?a weak positive correlationa strong positive correlationa weak negative correlationa strong negative correlation
Algebra
4 months ago
Which best describes traditional classification?
Algebra
4 months ago
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