Mathematics, 19.12.2020 23:00 savskye1767
The average mass of 4 boys is 45 kg. When a fifth boy joins them the average mass changes to 40 kg. What is the mass of the fifth boy?
Answers: 1
Mathematics, 21.06.2019 18:00
Pls if a cow has a mass of 9Γ10^2 kilograms, and a blue whale has a mass of 1.8Γ10^5 kilograms, which of these statements is true?
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Mathematics, 21.06.2019 22:30
Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90Β° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90Β° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90Β° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90Β° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90Β° or an isosceles triangle does not have two congruent sides; true.
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Mathematics, 21.06.2019 22:30
What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.
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The average mass of 4 boys is 45 kg. When a fifth boy joins them the average mass changes to 40 kg....
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