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Abel
Please I need an answer?
Please I need an answer to this question. Please give explanation.
2 AnswersChemistry2 years agoCan someone please help me answer this question on SETS?
X and Y are sets with the following three properties.
(1) X' has 12 elements
(2) Y' has 7 elements
(3) XnY' has 4 elements.
How many elements are there in
(A) X'nY
(B) XnY
(C) XUY?
1 AnswerMathematics2 years ago
Projectile motion?
Please someone should help me solve the projectile question in the photo
1 AnswerPhysics2 years agoPhysics question on Motion?
An experimental rocket designed to land uprightly falls freely from a height of 200m starting from rest. At a height of 80.0m, the rocket engine starts and provide constant upward acceleration until the rocket lands. What acceleration is required if the speed on touchdown is zero?
1 AnswerPhysics2 years agoShow on the basis of dimensional analysis that the following relations are correct?
(1) V² = U² + 2aS
(2) S = Ut + ½at²
1 AnswerMathematics2 years agoA projectile is fired with a muzzle velocity of 600m/s. If the length of the barrel is 150 cm, find the average acceleration in the barrel.?
A. 1.2 × 10³ m/s²
B. 1.2 × 10^5 m/s²
C. 1.2 × 10^-5 m/s²
D. 120 × 10^5 m/s²
E. 12.0 × 10^-5 m/s²
3 AnswersPhysics2 years ago
Find x in this mathematical expression?
Find x, if Log x (base 2) = Log 3 (base a). Please you can consider the photo attached.
4 AnswersMathematics2 years ago
Question on Indices and Logarithms?
If Log P (base 4) + Log Q² (base 4) = 0, find P. (You can consider the image attached if you don't understand the question)
2 AnswersMathematics2 years agoWhich of the following is a physical change?
A. The bubbling of chlorine into water
B. The bubbling of chlorine into a jar containing hydrogen
C. The dissolution of sodium chlorine in water
D. The passage of steam over heated iron
1 AnswerChemistry2 years agoPlease explain. A mixture of iron and sulphur can be separated by dissolving the mixture in?
(A) steam
(B) dilute hydrochloric acid
(C) dilute sodium hydroxide
(D) benzene
1 AnswerChemistry2 years agoGeometric Progression question?
The sum of the first two terms of a Geometric Progression is 28, but the sum of the third and fourth terms is 252. Find the second term of the Geometric Progression if the seventh term is 5103.
5 AnswersMathematics2 years agoCan someone please help me with the answer to this question on Arithmetic Progression?
The third term of an Arithmetic Progression is 10 more than the first term while the fifth term is 15 more than the second term. Find the sum of the eighth and fifteenth terms of the Arithmetic Progression if the seventh term is 7 times the first term.
2 AnswersMathematics2 years agoI have solved this question on Geometric Progression, but I am not sure of the answer.?
The sum of the nth term of a Geometric Progression is 10 - 5/2^n-1.
(a) Find the sum of the first four terms
(b) Find the fourth term.
2 AnswersMathematics2 years agoI need an answer please on Arithmetic Progression?
The fourth term of an Arithmetic Progression is 13 while the tenth term is 31. Find the twenty-first term.
8 AnswersMathematics2 years agoWho can please help me solve this question on Arithmetic Progression?
A man is able to save $50 of his salary in a particular year. After this, every year he saves $20 more than the preceding year. How long does it take him to save $4,370?
7 AnswersMathematics2 years agoPlease here's a question on Geometric Progression?
The common ratio of a Geometric Progression is negative. The fifth term is 48/625, and the third term is 12/35. Calculate the
(a) first term
(b) common ratio
(c) eight term
2 AnswersMathematics2 years agoCan somebody help me to solve this question on Geometric Progression?
If Sn is the sum of the first nth term of a series given by Sn=n²-1, find the nth term.
2 AnswersMathematics2 years agoGeometric Progression Question?
If K+1, 2K-1, 3K+1 are three consecutive terms of a Geometric Progression, find the possible values of the common ratio.
5 AnswersMathematics2 years agoQuestion on Arithmetic Progression?
Find the first term of the sequence, x+1, 3x-18, 2x-1... If the sequence is an Arithmetic Progression.
6 AnswersMathematics2 years ago
