a survey company, sws, claims that a majority of gen z voters prefer leni robredo as the next president over that of its main competitor, bongbong marcos. to test this claim 500 randomly selected people were surveyed. among them, 270 leni, 211 bbm, and 1919 could not make up their minds. determine whether there is sufficient evidence, at the 5% level of significance, to support the sws survey claim against the default that the population is evenly split in its preference. Show your calculations.
A student eat a dinner containing 8.0×10^6J of energy and wishes to lift an object in a gym of 60kg .How mang times will he lift this object to expand this much energy if he lift this object in a distance of 2.0m
a. Read the paragraph below carefully and prepare a short outline that highlights all the important points in the passage.
b. State the steps you used in making your notes from the passage.
The essence of many perfumes comes from the oils in the petals of fresh flowers, such as the rose, carnation, and orange blossom. However, fragrances are not limited to the petal, but can come from the leaves of lavender, peppermint, and geranium. Also, the oils of cinnamon and balsam are derived from bark, while the oils of cedar come from its wood. The fragrance of ginger and sassafras comes from roots, whereas that of orange, lemon, and nutmeg comes from fruits and seeds. Thus, there are many sources from which to derive fragrances for perfumes
A Diesel cycle has a compression ratio of 16. The lowest and highest temperature of the
cycle are 300K and 1880K respectively. The pressure at the beginning of compression is 1 Bar.
Calculate:
a) The pressure and temperatures at all the other points of the cycle.
b) Net work output.
c) Efficiency of the cycle.
1.1Discuss how ICT integration can transform teaching and learning in the
context of South Africa (5)
1.2. Explain FIVE (5) challenges that hindered the successful implementation of
ICT in Gauteng Schools. (10)
In what way did riddles benefit, socially?
A solution of hydrochloric acid in water is 60.0% HCl and 40% water, H2O, by weight. The solution has a density of 1.19 g/mL. What is the
b. Molarity of the water (with hydrochloric acid as the solvent)
c. Molality of water in hydrochloric acid?
d. mole fraction of hydrochloric acid?
e. mole fraction of water?
Neutron stars are some of the densest objects in the universe. They form during supernova ex-
plosions and are very small compared to other astronomical objects. You can assume 5 x 10^17
kg/m3 as the average density of a neutron star. The Earth has a total mass of about 5.97 x 10^24 kg.
What would be the diameter of the Earth if it had the density of a neutron star?
Please answer with explanation.
Analyse "Marina" by T.S Eliot as a modernist poem
Part a) how does social Isolation at a young age impact the development of basic skills (e.g talking, using utensils to eat , dressing onself)
Part b) what can different groups in society do to protect children who are being neglected ( write 100-150 words in respones )