Answers created by LM

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• The graph of an exponential function of the form y=f(x)=a^x passes through the points 1. ____ and 2. ____ . The graph lies 3. ____ the x-axis?
  
• Matt set a record for the men's 100 m freestyle even in swimming. It took him 49.17 s to swim the 50.0 m length of the pool and swim back. Assume that half of Matt's record time was spent traveling the length of the pool. What was his speed?
  
• How do you solve `(x+3)(x-6)=0`?
  
• How do you write `12 times 11 times 10 times 9 times 8 times 7 times 6` using factorials?
  
• An elevator has a mass of 1000 kg. What is the tension force on its cables when it is stationary?
  
• The sum of A and B is 5i+j and their difference is 3i-j what is vector A?
  
• How do you solve `4c-4<8c-16<6c-6`?
  
• How do you use the vertical line test to show `sqrt(x^2-4)-y=0` is a function?
  
• When f(x)=25-x^2 and g(x)= x+5, (f/g)(x)=___?
  
• Aluminium is extracted by electrolysis, as shown in the figure. Why can aluminium not be extracted by heating aluminium oxide with carbon?
  
• Organize the functions from the least to greatest according to their y-intercepts.?
  
• Consider a two-way table that summarizes age and ice cream preference. Of the children, 7 prefer vanilla, 12 prefer chocolate, and 3 prefer butter pecan. Of the adults, 10 prefer vanilla, 31 prefer chocolate, and 8 prefer butter pecan. What is the conditional probability that a person prefers vanilla, GIVEN THAT the person is an adult?
  
• How do you graph the arithmetic sequence `a_n=2-1/3n`?
  
• How would you compare and contrast Jane Eyre to other mistreated heroines from children's stories (Cinderella, Snow White)?
  
• How do you use the horizontal line test to determine whether the function `g(x)=(4-x)/6` is one to one?
  
• What is the variance of {-3, -6, 7, 0, 3, -2}?
  
• Explain, as fully as you can, why syrup (concentrated sugar solution) was produced after two hours?
  
• Genetics and punnett squares?
  
• The mass of a large car is `1000` `kg`. How much force would be required to accelerate the car at a rate of `3` `m``/sec^2`?
  
• Which function is exponential? y=5x^0.2 y=4(0.1)^x y=0.2x^3
  
• What is the term-to-term rule to this sequence? 64, 32, 16, 8, 4
  
• What is the percent composition of `H_2S`?
  
• A patient is receiving a drug every eight hours (three times a day). If the patient weighs 7.2kg and the maximum safe dose is 0.06 mg/kg/day. What is the maximum safe dose for the patient to take?
  
• Can an absolute value have a discontinuity `f(x)= |x-9| / (x-9)`?
  
• A drawer contains 5 brown socks and 4 blue socks well mixed. A man reaches the drawer and pulls out 2 socks at random. What is the probability that they will match?
  
• Complementary angle of 45 and supplementary angle of 90 are......?
  
• How do you rewrite `6 + 18y + 24` as a product?
  
• Use the FOIL method to find the product below? (9x5 + 8)(9x3 + 8) A. 72x8 + 72x3 + 64 B. 81x8 + 72x5 + 72x3 + 64 C. 81x8 + 144x5 + 64 D. 81x8 + 72x5 + 72x3 + 64x
  
• What is the y-intercept of all exponential growth functions?
  
• A solution containing 30% insecticide is to be mixed with a solution containing 50% insecticide to make 200 L of a solution containingg 42% insecticide. How much of each solution should be used?
  
• How many milligrams of a 15.0 mg sample of radium-226 remain after 6396 years if the half-life of radium-226 is 1599 years?
  
• Select the sentence that does not follow the style guidelines....?
  
• Work done in stretching the spring from x= .10 m to x= .20 m?
  
• How do you find the sum of the infinite geometric series 2/3 - 4/9 + 8/27 - 16/81 +...?
  
• How do you express the function `y=x^2+3` as a composition y=f(g(x)) of two simpler functions y=f(u) and u=g(x)?
  
• How do you determine whether `f(x)=(2x^5)-(2x^3)` is an odd or even function?
  
• How do you solve `\ln x = 2\ln 3`?
  
• Three numbers form a arithmetic sequence whose common difference is 3. if the numbers are increased by 2,5,& 9, respectively, the resulting numbers form a geometric sequence. which of the following gives the common ratio of the resulting geometric sequen?
  
• What noun is the appositive describing in the sentence: "The book Jerome was carrying, a dictionary, fell into the mud."?
  
• The gas inside of a container exerts `"24 Pa"` of pressure and is at a temperature of `"75 K"`. If the temperature of the gas changes to `"125 K"` with no change in the container's volume, what is the new pressure of the gas?
  
• How to solve 32.1235 (bar on 235) in fractional form of p/q ?
  
• A 0.145 kg baseball is moving at 35 m/s it is caught by a player. What is the change in momentum of the ball?
  
• Are there instances when the use of comma before the word “but” is not needed? What are examples of this?
  
• A carbon-12 atom has 6 protons, 6 neutrons, and 6 electrons. How many protons does a carbon-14 atom have?
  
• How do you simplify `(-7i)(4i)(3-6i)`?
  
• A recurring decimal of 0.396396 as a fraction?
  
• If A is set of positive multiple of 5 less than 200 and B is the set of positive multiple of 7 less than 200.How many numbers are in both set A and set B?
  
• Write an equation for the reaction of carbon dioxide with line water?
  
• How do you solve for y: in `(zy)/x = b`?
  
• Explain and solve?
  
• How do you simplify `( a^-2/a^5 )^-1`?
  
• Please solve q 124?
  
• How do you solve `a^2=3^2+5^2-2(3)(5)cos85`?
  
• Bird flying towards its nest with a mass of 0.25kg and a kinetic energy of 40.5j?
  
• Automatic door closing 0.2m/s,with a kinetic energy of 1.6j?
  
• P(B)= 9/20 P(A and B)= 9/100 P(A)=?
  
• What is the slope of a line perpendicular to the x-axis?
  
• If `f(2x+1)=2x-1` for all real numbers x, then `f(x)` = ?
  
• How do you evaluate `(x-3)(-20i^{2}-19ix+6x^{2})`?
  
• How do you solve `\frac{6}{9} = \frac{4}{x-8}`?
  
• If f(x) = e^x and g(x) = sin x, then the value of (f comp g) (sqrt 2) is ? 2.7 or 3.8
  
• 6__+6___+energy from sunlight>>>_____+6______ ?
  
• How to find h in terms of x?
  
• How do you solve for x in `6 = (4/7)x`?
  
• What are the asymptotes of `g(x)=0.5 csc x`?
  
• How do you graph `f(x) = (4x^2-36x) / (x-9)`?
  
• I know how to do number 13, but how do you do the others?
  
• An alloy of tin is 18% tin and weighs 30 pounds. How many pounds of tin are in the alloy?
  
• How do you factor the trinomial `8z^2+20z-48`?
  
• How do you find the polar coordinates given the rectangular coordinates `(-sqrt2,sqrt2)`?
  
• Defferentiate f(x) = x-1/x+1 ? Thank you
  
• When U-238 transmutates into Th-234, what does this represent?
  
• How do you simplify `4h ^ { 2} ( - 3h ^ { 2} - 2h )`?
  
• How do you differentiate `v=(sqrtx+1/root3x)^2`?
  
• How do you evaluate `a(b^x)` given a=-3, b=5, x=2?
  
• How do you add or subtract `2/(x^2+8x+15) + 1/(x^2+11x+30)`?
  
• How do you simplify `\frac { - 18p ^ { - 2} r ^ { 3} h ^ { - 8} v ^ { - 8} } { 9a ^ { - 1} p ^ { 3} r ^ { 3} v ^ { - 2} w }`?
  
• Use an appropriate half-angle identity to find the exact value of sin(pi/12) = ?
  
• If you exert a force on an object, the force which the object exerts on you will?
  
• How many neutrons are found in the nucleus of one atom of chlorine-37?
  
• 850 g + g = 1 1/2 kg ?
  
• Alan, Betty and Carol are applying for three different jobs in a company. The probability that Alan gets his job is 0.5; the probability that Betty gets her job is 0.75; the probability that Carol gets her job is 0.3. Can anyone solve this?
  
• What is the square root of 6 (7 the square root of 3 + 6)?
  
• How long would it take spacecraft to reach the nearest star at 98% of the speed of light?
  
• 4 over 3 out of 60 ?
  
• Is 57 composite?
  
• What is the derivative of `5 cos x`?
  
• A 60 W kitchen light is left on for an entire year. If the cost of electricity is $0.08 per kWxh, what did it cost to leave on the light bulb ?
  
• Describe how to translate the graph of `y=sqrtx` to obtain the graph of `y=sqrtx-9`?
  
• Is y=2^x a growth or decay?
  
• What is the frequency of an x-ray with a wave length of 1nm?
  
• What Word Describes The Set Of Data Below? 1,1,1,2,3,5,7,7,7,8,10,11,11,15 b.This Set Has 2 Mode(bimodal) C.This Set Has More than 2 modes(multimodal) *Write In A Sentence Of Why The Answer Is Correct.
  
• How do you multiply `(1/(m^2-m)) + (1/m)=5/(m^2-m)`?
  
• Approximately What Percentage Of Students Had Between 5 And 8 Assignments In A Week? -(Min:3,Q1:5,Median:8,Q3:9,Max:14) Write In A Sentence Why The Answer Is Correct.
  
• How many intercepts can a line have?
  
• What is 66 2/3 as a fraction in simplest terms?
  
• The side of a square is equal in length to the diameter of a circle, which figure will have the greater area?
  
• How many valence electrons are in an atom of phosphorus?
  
• Graph the functions on the same coordinate plane. f(x)=7 g(x)=x2+2x−8 What are the solutions to the equation f(x)=g(x)?
  
• How do you evaluate `\ln e ^ { 8} - 7\ln e ^ { 3}`?
  
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