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1. Mathematics

   Question 1. (3 points) a. Show that the ratios 14/18 and 28/36 form a proportion by finding a common multiplier. b. Show that 14/18 and 28/36 are equal by writing them in simplest form.

2. Math

   A multiple choice quiz contains five question. Each question has four answer choices. Michael is not prepared for the quiz and decides to guess for each question. What is the probability that Michael will get at least one question

3. Calculus

   Find the interval on which the curve of ∫ 6/(1+2t+t^2) where b=0 and a=x is concave up. Heres my work but im not sure at all g '(x) = 6/(1+2x+x^2) g ''(x) = -(2+2x)/[(1+2x+x^2)^2] upward when g ''(x) > 0. - (2+2x) > 0 x < -1

4. Geometry

   Okay heres the pic. There is a plane with points B,D, and E.those [oints are collinear in the plane. And also outside of the plane is points A, and C. and those points are collinear outside of the plane.thought Line AC intersect

1. 8th Grade Art

   My question only shows a picture, so I don't know much; How did Francisco Goya use caricature to depict the figures in 'Contemptuous of the Insults'? A) The facial features of the Frenchmen are exaggerated to show their confusion

2. French

   So i have to answer questions from my french textbook called on y va! 1 and on page 34 theres this article about microbes and 3 called rhinovirus,lacotobacillus and bacillus cereus Heres the questions

3. Spanish

   Which of the following would be the correct ending for a verb to show that “I” did the action? Group of answer choices -o -as -a -amos Flag this Question Question 21 pts Which of the following would be the correct ending for a

4. math - question

   In a television game show, there are five questions to answer. Each question is worth twice as much as the previous question. If the last question was worth $6400, what was the first question worth? is the answer 400

1. math

   Show the functions f= f(z); z=x+iy is nowhere di fferentiable f(z)=cosy -i siny how do i do this? heres my idea separate them into u(x,y) and v(x,y) then differentiate them and since the first derivative of u(x,y) and v(x,y) does

2. 9th grade

   My question is on scales etc.. heres the question | The Sears Tower is 1450 feet tall. If a model is 25 inches tall, find the scale.

3. chemistry

   This question I really don't get it. I tried tried tried to figure out how to start solve the problem but still couldn't figure out. So can you help me with one question PLEASE? If so, can you please explain to me how you get the

4. Math

   Can somebody show me how to solve ratios? Like heres an example: @@@@@##### @=Circles #=squares What is the ratio of circles?

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