Bilkist Romzi
Asked 5 years ago

SG chevron_right Secondary 4 chevron_right Add Math: Algebra

The equation of a straight line is 3x+4y-24=0. It cuts the x-axis at point P and the y-axis at point Q a) Find the coordinates of P and of Q.

Replies 2
Kelvin Tan YC

At the x-axis, y = 0 and at the y-axis, x = 0. Substitute y = 0 into the equation of the straight line to find x.. and you can find the coordinates of P.. do likewise for coordinates of Q

5 years ago
Bilkist Romzi

Okay thank you

5 years ago
Bilkist Romzi

Okay thank you

5 years ago

Yuxiang Law
Asked 5 years ago

SG chevron_right Secondary 3 chevron_right Add Math: Geometry and Trigonometry

How do to question 4 c.

Replies 2
Ikhlas Hashim

Angle of center= 2 angle at circumference

5 years ago
Ikhlas Hashim

Given angle AOB, use cosine rule to find length of AB. Find area of triangle BAE. Area of shaded region = area of triangle BAE - area of segment ADB

5 years ago

smchoy
Asked 5 years ago

SG chevron_right Secondary 4 chevron_right Number and Algebra

Replies 1
happy

(6+2x+2x)(3+x+x)-(6)(3)

5 years ago

l'ocean
Asked 5 years ago

SG chevron_right Grade: N/A chevron_right Strand: N/A

Replies 4
Lucas Leong

B

5 years ago
l'ocean

thanks!

5 years ago
Kelvin Tan YC

Answer is c (3). Need to add 4*pi*r to 2*pi*r then divide by 2*pi*r.. you can do a demonstration using 2 50-cent coins, one rolling over the other.. you find that the rolling coin makes 2 conplete revolutions

5 years ago
l'ocean

thanks!

5 years ago
l'ocean

thanks!

5 years ago
l'ocean

thanks!

5 years ago

iMath
Asked 5 years ago

SG chevron_right Primary 6 chevron_right Geometry

Please help. Thanks

Replies 2
happy

(a)(7.8×10.4)-((5.5-4.6)×10.4). (b) cube root 125= 5 volume=10.4×4.6. Height= volume÷(5×5)

5 years ago
Kelvin Tan YC

Find the volume of empty space in inverted bottle. Add that to volume of water in upright bottle for (a)

5 years ago

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