Mathematics, 23.02.2021 08:30 stinematesa
Kendra is making cookies. The recipe calls for 6 3/4 cups flour for 4 batches of cookies. Janel is using the same recipe. She will make b batches of cookies using c cups of flour. Write two equations that represent the relationship between b and c. Use the table to help guide you. The table will not be provided on the test, so you will need to decide whether to create your own table or not to help you with this problem. Hints: When you solve for 1 cup of flour in the table, the number of batches you get, b, is the constant of proportionality. If you know the constant of proportionality, then you should be able to write an equation. As tempting as it is to use the calculator on this problem, it will actually be easier if you use fractions. b = _ c You can then write a second equation by reversing the variables and using the reciprocal. c = _ b here is a pic of it
Answers: 2
Mathematics, 20.06.2019 18:04
Here is their argument. given the obtuse angle x, we make a quadrilateral abcd with ∠dab = x, and ∠abc = 90◦, and ad = bc. say the perpendicular bisector to dc meets the perpendicular bisector to ab at p. then pa = pb and pc = pd. so the triangles pad and pbc have equal sides and are congruent. thus ∠pad = ∠pbc. but pab is isosceles, hence ∠pab = ∠pba. subtracting, gives x = ∠pad−∠pab = ∠pbc −∠pba = 90◦. this is a preposterous conclusion – just where is the mistake in the "proof" and why does the argument break down there?
Answers: 2
Mathematics, 21.06.2019 17:00
Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .
Answers: 1
Kendra is making cookies. The recipe calls for 6 3/4 cups flour for 4 batches of cookies. Janel is u...
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