a0w

Using at and on.

Here are two(2) sentences

1.Sia is good at maths (grammatically correct)

2.Sia is good in maths

(grammatical wrong)

Sia is good at maths ( here "at" is used because maths is not like a room.)

Sia is good in maths ( in this sentence, "in" is used because maths is referred as a structure that has boundary or look like a house. Therefore, Sia good in math is grammatical wrong.

Do you accept or not?

1. 25cm³ of 1.00mole/dm³ hydrochloric acid (HCl) at 21.5° placed in polystyrene cup and 25.0cm³ of 100mole/dm³ of NaOH at 21.5°C were added.

The mixed was stirred and the temperature rolls to 28.2°C

The density of each solution is 1.0gcm³ and the specific heat capacity of each solution is 4.18J/kg. Calculate the molar enthalpy of neutralization.

2. Calculate the heat of formation of methane given its heat of combustion as -811 Kg/mol and heats formation of C02 and H20 are -394 and -286K mol respectively.

1. Go and buy me food at Mr. Kargbo's place

2. Go and buy me food to Mr. Kargbo's place

Twice the area of a side 4cm is the same as that of a triangle of base 8cm. What is the height of the triangle

Give the formula for dis? What should have been the Selling price to male a profit of 35% for selling an article for Le25,000, a woman make a profit of 25%.

A father is six times as old as the son. Four years ago the father was ten times as old as his son.

Find the

1. son's age

2. Father's age

3. Son's age in 3yrs times.

I'm subscribe to Pay As You Go (PAYG) subscription with my laptop. 10MB is $2. Is there any browser that when browsing consume less kilobyte. How to switch image in internet explorer, chrome browser and firefox.

Let us take a look at this two method. We are to multiply 322 X 32 in base four.

Method 1

322 working

x 32 4/4=1R0

______ 5/4=1R1

1310 7/4=1R3

2232 6/4=1R2

_______ 8/4=2R0

30230 12/4=3R0

method 2

322 working

x 32 4/4=1R0

_______ 11/4=2R3

644 14/4=3R2

966 12/4=3R0

_______

30230

AMONG THE TWO METHOD, WHICH ONE IS ACCEPTABLE AND WHY? Is there any way or shortcut to multiply 322X 32 in base four?Rules in multiplying number base Let us take a look at this two method. We are to multiply 322 X 32 in base four.

Method 1

322 working

x 32 4/4=1R0

______ 5/4=1R1

1310 7/4=1R3

2232 6/4=1R2

_______ 8/4=2R0

30230 12/4=3R0

method 2

322 working

x 32 4/4=1R0

_______ 11/4=2R3

644 14/4=3R2

966 12/4=3R0

_______

30230

AMONG THE TWO METHOD, WHICH ONE IS ACCEPTABLE AND WHY? Is there any way or shortcut to multiply 322X 32 in base four?

I'll like to know the countries that play football, that xscores, flashscores.com or goal.com will not know immediately. There was a game in one country and they score two goals. But checking xscores or livescores, no goal register. The actual time for the game according to Xscores and flashscore.com was 7pm but then it was a 5hours difference. So, let me know the site that someone can get live scores the moment a goal is score and list of football team that play football games that xscores cannot give the score immediately

Town A has an area of 600km square and a population density of 12 people per km square. Town B has an area of 400km square and a population density of 20 people per Km square. What will be the population density to the nearest whole number of the two towns combined.rest whole number of the two towns combined.

What is the best football prediction site and the site that analyzes a football team in terms of goals since the team started playing like opera sport.

A uniform ladder AB, 5m long, weights 200N. It rests on a rough horizontal ground at A and against a smooth vertical wall at B. It is inclined at 30' to the vertical.

Find

(i) The normal reaction at A

(ii) The normal reaction at B

(iii) The coefficient of friction at A

Show that d/dx[Sin inverse (1-X²)/(1+X²)]=2/(1+X²)

If A and B are roots of the quadrctic ax^2+bx+c=0. Obtain the equation whose roots are (1/(A^2) and 1/(B^2), If in the above equation AB^2=1, Prove that a^(3)+c^(3)+abc=0

In a geometric progression, the sum of the fifth and seventh terms is 10 and the second term is 16 times the sixth term. Find:

i. The common rate

ii. The first term

iii. The sum of the first 4 terms.

The real roots of the equation x^2+6x+c=0 differ by 2n, where n is a non-zero.

(i) show that n^2=9-c

(ii) if the roots are opposite signs, find the set of possible values of n.

Ayi Kwei Armah is self indulgent in the theme as technique in "THE BEAUTIFUL ONES ARE NOT YET BORN". Examine the them and symbolism in the novel and discuss them in relation to the above opinion

Ayi Kwei Armah is self indulgent in the theme as technique in "THE BEAUTIFUL ONES ARE NOT YET BORN". Examine the them and symbolism in the novel and discuss them in relation to the above opinion