Mathematics, 19.04.2021 05:10 michellelirett
Answer two questions about Systems AAA and BBB: System AAA \text{\quad}start text, end text System BBB \begin{cases}x+3y=-92x+y=4\end{case s} β© βͺ βͺ β¨ βͺ βͺ β§ β x+3y=β9 2x+y=4 β \begin{cases}3x+4y=-92x+y=4\end{cas es} β© βͺ βͺ β¨ βͺ βͺ β§ β 3x+4y=β9 2x+y=4 β 1) How can we get System BBB from System AAA? Choose 1 Choose 1 (Choice A) A Replace one equation with the sum/difference of both equations (Choice B) B Replace only the left-hand side of one equation with the sum/difference of the left-hand sides of both equations (Choice C) C Replace one equation with a multiple of itself (Choice D) D Replace one equation with a multiple of the other equation 2) Based on the previous answer, are the systems equivalent? In other words, do they have the same solution? Choose 1 Choose 1 (Choice A) A Yes (Choice B) B No
Answers: 1
Mathematics, 21.06.2019 15:40
Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497
Answers: 3
Mathematics, 21.06.2019 22:00
Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.
Answers: 2
Mathematics, 22.06.2019 01:10
"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?
Answers: 2
Answer two questions about Systems AAA and BBB: System AAA \text{\quad}start text, end text System B...
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