Factorise -75ab² - 15ac
5a(3b - c)
-15b²(3a + c)
-15a(5b² + c)
...
Mathematics, 12.03.2021 20:10, JLapworth1130
Factorise -75ab² - 15ac
5a(3b - c)
-15b²(3a + c)
-15a(5b² + c)
15a(5b² - c)
A triangle has a base of length 6 cm and an area of less than 12 cm². Which of the following gives the height h of the triangle
h < 4 cm
h < 6cm
h < 12 cm
h < 24 cm
Expand (2x-3)(2x +3)
4x² + 12x + 9
4x² - 12x – 9
4x² - 9
4x² + 9
A woman buys 8 tubers of yam at #200 each and sells them at a profit of 12%. Calculate the selling price.
#192
#1600
#1792
#2000
What is the size of each angle of a regular 15-sided polygon?
78⁰
156⁰
185⁰
200⁰
The height of a boy is t cm. His father is two times his height. Express the height of the father in terms of t.
5t cm
2t cm
t cm
t² cm
Factorise 4am² - 6am
2am(2m – 3)
m²(2a - 3m)
am²(4 - 6a)
2a²m²(2m - 3)
What is the slant height of a cone of height 8cm and base diameter of 12cm?
5 cm
6 cm
8 cm
10 cm
Express 51 x 10⁻⁵ as a decimal number.
0•000051
0•00051
0•0051
0•51
A television costs #54 000. A 12¹/₂% discount is given for cash. What is the cash price ?
# 54 000
# 47 000
# 47 250
# 6 750
Find y-intercept in the graph below

(0, 1)
(0, 5)
(5, 0)
(0, 2)
Simplify - 40pq ÷ (-2)²
-10p
-10q
-10pq
10pq
Express the product of 0•003 and 0•045 in standard form.
3•45 x 10⁵
1•35 x 10⁵
1•35 x 10⁻⁵
1•35 x 10⁻⁴
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Which of these is the three figure bearing of the acute-angle bearing N40⁰W ?
320⁰
310⁰
270⁰
040⁰
The volume of a cylinder is 700π cm³. What is the base diameter of the cylinder if its height is 7 cm ?
6•5 cm
7cm
10 cm
20 cm
What is the LCM of 2x²y, 3xy² and 4x²y ?
16x²y²
12x²y²
12x²y
7xy
Express 636 000 in standard form.
6.36 x 10⁻⁵
6.36 x 10⁻⁴
6.36 x 10⁴
6.36 x 10⁵
A cone and a cylinder have equal volumes and radii. The height of the cone is 12 cm. What is the height of the cylinder?
4 cm
12 cm
36 cm
50 cm
Find the angle measured clockwise between the directions: N and SW
45°
135°
180°
225°
What is the total surface area of a cylinder opened at one end if its height is 20cm and it's diameter is 14cm (π = 3¹/₇)
880 cm²
1034 cm²
1188 cm²
1250 cm²
I think of a number. I then double it. The result is 58. What number did I think of ?
29
20
16
10
RSTU is a quadrilateral as seen below. What is the value of X?

5
10
11
15
Answers: 3
Mathematics, 21.06.2019 16:30, milkshakegrande101
Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?
Answers: 1
Mathematics, 21.06.2019 21:30, lewisf5929
Vanessa earns a base salary of $400.00 every week with an additional5% commission on everything she sells. vanessa sold $1650.00 worth of items last week.
Answers: 2
Mathematics, 21.06.2019 22:00, kingalex7575
The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?
Answers: 1
Mathematics, 21.06.2019 23:30, webbhlharryteach
Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?
Answers: 1
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