subject
Mathematics, 25.08.2020 14:01 peno211

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

Submission Tracking ID - DO NOT CHANGE *

This is important for tracking purposes. Do not change. Any change in this will make your submission void

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

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 19:30, kataldaine
Which of the following describes the symmetry of the graph of y = x3?
Answers: 2
image
Mathematics, 21.06.2019 21:30, Caixiayang3613
Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?
Answers: 1
image
Mathematics, 21.06.2019 21:30, pstat
For the inequality |c| < |d| to be true, which of the following must be true?
Answers: 2
image
Mathematics, 21.06.2019 22:00, Isaiahgardiner5143
Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?
Answers: 3
You know the right answer?
Factorise -75ab² - 15ac 5a(3b - c)

-15b²(3a + c)

-15a(5b² + c)

15a...

Questions in other subjects:

Konu
Mathematics, 28.09.2021 15:10