12.
last year, the average math sat score for students at one school was 475. the headmaster t...
Mathematics, 19.09.2019 05:30, chloebaby8
12.
last year, the average math sat score for students at one school was 475. the headmaster then introduced a new teaching method hoping to improve scores. this year, the mean math sat score for a sample of students was 491. the headmaster concluded that the new teaching method produces higher sat scores. what is the problem with reporting results this way?
correlation and causality
voluntary response
missing data
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Mathematics, 21.06.2019 15:00, yyyyyyyyy8938
Sienna planned a trapezoid-shaped garden, as shown in the drawing below. she decides to change the length of the top of the trapezoid-shaped garden from 32 ft to 24 ft. which expression finds the change in the scale factor?
Answers: 1
Mathematics, 22.06.2019 03:30, ayahabdulhaqq2
Select the correct answer. given: ∆abc with prove: statement reason 1. given 2. ∠cab ≅ ∠edb ∠acb ≅ ∠deb if two parallel lines are cut by a transversal, the corresponding angles are congruent. 3. ∆abc ~ ∆dbe aa criterion for similarity 4. corresponding sides of similar triangles are proportional. 5. ab = ad + db cb = ce + eb segment addition 6. substitution property of equality 7. division 8. subtraction property of equality what is the missing statement in the proof? scroll down to see the entire proof.
Answers: 3
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Given the equation  = 5, solve for x and identify if it is an extraneous solution
Answers: 2
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