Mathematics, 23.02.2020 15:41 cathyfrawley

Le
The mean age of ten pupils is 12.7
years. Eight pupils are 11, 10, 12, 11,
14, 13, 14 and 16 years old. The ninth ||
pupil is two years younger than the
tenth. What is the age of:
(a) the ninth pupil?
(b) the tenth pupil?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:00, davidoj13

Write a division equation you could use to find a, the number of miles ava is in charge of. what is the value of a? write your answer is simplist form

Answers: 1

continue

Mathematics, 21.06.2019 17:30, meganenaranjo

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

Answers: 1

continue

Mathematics, 21.06.2019 18:00, ineedhelp2285

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

Answers: 2

continue

Mathematics, 21.06.2019 20:30, wednesdayA

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2

Answers: 2

continue

You know the right answer?

Le
The mean age of ten pupils is 12.7
years. Eight pupils are 11, 10, 12, 11,
14, 13,...