Pre-AssessmentDirections: Read and understand the questions below. Select the best aneach item then write your choice on your answer sheet.1. Which of the following situations or activities involve permutation?A. matching shirts and pantsB. enumerating the subsets of a setC. assigning telephone numbers to subscribersD. forming a committee from the members of a club2. Which of the following refers to two different arrangements of objects wof them are identical?A. circular combinationsB. circular permutationsC. unique combinationsD. distinguishable permutations3. What term refers to the arrangement of objects in a circle?A. circular combinationsB. circular permutationsC. unique combinationsD. distinguishable permutations
1. Which of the following statements is NOT TRUE?
a. The geometric mean is the product of the hypotenuse and the two legs of a right triangle.
b. The altitude to the hypotenuse is the geometric mean between the segments into which it separates the hypotenuse.
c. The leg of the right triangle is the geometric mean of the hypotenuse and the segment of the hypotenuse adjacent to the leg.
d. The geometric mean is the square root of the product of the hypotenuse and the segment of the hypotenuse adjacent to the leg.
2. What is the geometric mean between 3 and 48?
a. 12 b. 13 c. 10 d. 11
3. Which angle is congruent to ∠RMK?
a. ∠K b. ∠MRK c. ∠A d. ∠AMR
4. In the figure shown in # 3, if RM = 6 and AR = 9. What is measure of RK?
a. 2 b. 4 c. 8 d. 6
5. What are the measurements of a and b?
a. 6 b. 2 c. 4 d.8
6. Find the length of the hypotenuse.
a. 18 b. 5 c. 12 d. 6
7. Solve for m.
a. 5 b. 4 c.6 d. 3
8. Which similarity statement refers to the triangle below?
a. ∆ VEO ~ ∆VOL
b. ∆ OEL ~ ∆VOL
c. ∆ LVO ~ ∆OEV
d. ∆ VEO~ ∆OEV
parada ng salita: salitang itinala at Itinakada tungo sa pag-unawa panuto: pumili ng tatlong salita sa loob ng kahon na angkop gamitin sa pagbuo ng isang kampanyang panlipunan na may kinalaman sa lindol Ipaliwanag kung bakit ito angkop para sa isang kampanyang panlipunan at ano ang ibig sabihin nito [piglin][siyasatin][Mapanuri][Alerto][pabagsakin][iwasan] sagot:1__________________2_________________3_________________
Ang tatlong mahahalagang salita para sa kapanyang may kinalaman sa lindol ay pigilin, alerto, at iwasan. Kailangan maging alerto ang mga tao kapag may lindol. Iwasan ang pag sasagawa ng mga bagay na nag dudulot ng lindol, upang pigilin ang sakunang ito.
Answer:A. Buzzers Proof/Explanation:Piezoelectric sound elements have a very unique convention. There is no magnetic field, and no coil used in the construction.