A number is divisible by nine if the sum of its digits is divisible by 9
a.27, 4545,
b.1251,
joseph rimiru answered the question on September 28, 2017 at 14:30
- Which of the following numbers are divisible by 8?
a. 832, 714, 2000, 994
b. 10864, 12867, 10040
(Solved)
Which of the following numbers are divisible by 8?
a. 832, 714, 2000, 994
b. 10864, 12867, 10040
Date posted: September 28, 2017. Answers (1)
- Which of the following numbers are divisible by 5?
a. 80, 91, 1055, 2565
b. 115, 10060, 7812, 860
(Solved)
Which of the following numbers are divisible by 5?
a. 80, 91, 1055, 2565
b. 115, 10060, 7812, 860
Date posted: September 28, 2017. Answers (1)
- Which of the following numbers are divisible by 4?
a. 124, 10021, 1732, 1236
...(Solved)
Which of the following numbers are divisible by 4?
a. 124, 10021, 1732, 1236
b. 1017, 3284, 1978, 7654
Date posted: September 28, 2017. Answers (1)
- In the set of the numbers below which are divisible by 2
{18, 19, 124, 643, 10010}
(Solved)
In the set of the numbers below which are divisible by 2
{18, 19, 124, 643, 10010}
Date posted: September 28, 2017. Answers (1)
- Solve the following inequalities
a. x – 7 = 5
b. y +5 = 8
c. 3x + 9 = 18
(Solved)
Solve the following inequalities
a. x – 7 ≥ 5
b. y +5 ≤ 8
c. 3x + 9 ≤ 18
Date posted: September 28, 2017. Answers (1)
- From the following equations of straight line determine which pairs are parallel to each other.
a. y = 3x + 7
...(Solved)
From the following equations of straight line determine which pairs are parallel to each other.
a. y = 3x + 7
y=3x + 10
b. 4y =8x – 9
10y= 2x + 3
c. 3y = 5 -4x
5y= 9- 20x
d. 7y = 21x + 10
Y =3x – 6
Date posted: September 28, 2017. Answers (1)
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Use binomial expansion to evaluate (1.02)^6 to 4 s. f
Date posted: September 28, 2017. Answers (1)
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5 men have enough food for 36 weeks. How long would the same food last for 15 men?
Date posted: September 27, 2017. Answers (1)
- The length of a rectangle is 10 cm longer than the breadth. The perimeter is 82 cm. What are the length
...(Solved)
The length of a rectangle is 10 cm longer than the breadth. The perimeter is 82 cm. What are the length
and the breadth of the rectangle ?
Date posted: September 27, 2017. Answers (1)
- Find the slope of the straight line joining P (4, 6) and Q (5, 2).(Solved)
Find the slope of the straight line joining P (4, 6) and Q (5, 2).
Date posted: September 27, 2017. Answers (1)
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Factorize 2a(x - y) + 3b( y - x) .
Date posted: September 27, 2017. Answers (1)
- s = ut +1/2 at^2 . Find a when s = 6000, u= 10 and t = 20.(Solved)
s = ut +1/2 at^2 . Find a when s = 6000, u= 10 and t = 20.
Date posted: September 27, 2017. Answers (1)
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Evaluate 0.219 x´ 0.257 to 3 significant figure.
Date posted: September 27, 2017. Answers (1)
- If a : b = 3 : 4 and a : c = 2 : 5, find a : b : c. ...(Solved)
If a : b = 3 : 4 and a : c = 2 : 5, find a : b : c.
Date posted: September 26, 2017. Answers (1)
- Find Cos x if Cos 2x = 0.9.(Solved)
Find Cos x if Cos 2x = 0.9.
Date posted: September 26, 2017. Answers (1)
- A car travels 100 km in (¾) hour. How far will it travel in 20 min?(Solved)
A car travels 100 km in (¾) hour. How far will it travel in 20 min?
Date posted: September 26, 2017. Answers (1)
- Using the logarithmic tables evaluate:
(86.01 x 100.05)/55.65
...(Solved)
Using the logarithmic tables evaluate:
(86.01 x 100.05)/55.65
Date posted: September 26, 2017. Answers (1)
- Using the mathematical tables, find the tangent, sine and cosine of the following angles.
a. 52° b....(Solved)
Using the mathematical tables, find the tangent, sine and cosine of the following angles.
a. 52⁰ b. 53.50⁰ c. 30⁰ 20’
Date posted: September 26, 2017. Answers (1)
- Find the value of x and y given that
(a) Sin x = Cos 60°
(b) Sin 4y = Cos 5y
(Solved)
Find the value of x and y given that
(a) Sin x = Cos 60⁰
(b) Sin 4y = Cos 5y
Date posted: September 26, 2017. Answers (1)
- Akinyi bought and beans from a wholesaler. She then mixed the maize and beans the ratio 4:3
she brought the maize as Kshs. 12 per kg...(Solved)
Akinyi bought and beans from a wholesaler. She then mixed the maize and beans the ratio 4:3
she brought the maize as Kshs. 12 per kg and the beans 4 per kg. If she was to make a profit of
30% what should be the selling price of 1 kg of the mixture
Date posted: September 25, 2017. Answers (1)