Mathematics, 18.10.2020 01:01, jazzhands16
Different Signs or Same Signs? Sort the expressions.
Click each expression and pick the correct category.
25 + -14
3 + -7
-4 + -9
-18 + 33
-19 + -3
23 + 67
-9 + 4
5 + 3
Same sign, add and keep the sign
Different signs, subtract and keep sign of larger number
Answers: 3
Mathematics, 21.06.2019 22:00, makenziehook8
Given that sinβ
= 1/4, 0 < β
< Ο/2, what is the exact value of cosβ
? a. (β4)/4 b. (β15)/4 c. (4Ο)/2 d. (4β2)/4
Answers: 2
Mathematics, 21.06.2019 23:10, ylianafghgfdsnm1479
Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?
Answers: 2
Different Signs or Same Signs? Sort the expressions.
Click each expression and pick the correct cat...
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