Mathematics, 30.09.2019 22:30 kids2006
Topic: forming and solving equations (an equation must be included as well )
include all working out!
1)tom and ellie both have the same amount of money to begin with. tom multiplies his by 4 and adds up 50p. ellie multiplies hers by 9 and subtracts £3. they end up with the same amount of money. calculate the amount of money they started with.
2) alex thinks of a number. he adds 18 then divides it by 2. he gets the same answer that he would have if he had multiplies the original number by 5. calculate the mystery number.
Answers: 1
Mathematics, 21.06.2019 17:30
Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k
Answers: 2
Mathematics, 21.06.2019 21:00
If a is a nonzero real number then the reciprocal of a is
Answers: 2
Mathematics, 21.06.2019 21:30
(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.
Answers: 2
Mathematics, 21.06.2019 22:00
Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120
Answers: 3
Topic: forming and solving equations (an equation must be included as well )
include a...
include a...
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