2/3H H WATER SAND An oil rig of height H metres is located in the ocean. One-quarter of the rig is in the sand, 4 metres is in the water and two-thirds of it is in the air.

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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ull aliv ?
2:31 PM
@ 0 75%
simle equation wor...
Grade 10AH2
Simple equations
1.
2/3H
H
WATER
SAND
An oil rig of height H metres is located in the ocean. One-quarter of the rig is
in the sand, 4 metres is in the water and two-thirds of it is in the air.
(a)
Write an equation, in terms of H, to répresent this data.
[1]
(b)
Solve your equation to find the height of the oil rig.
[4]
2
Jerry had $100. He went to a Computer Store, a Book Store and a Music Store. He spent three times
as much money in the Computer Store as he did at the Music Store. He spent $12 less at the Book
Store than at the Music Store. He then had $37 left.
(a)
Using x to represent the amount he spent at the Music Store, express in terms of x,
(i)
the amount spent at the Computer Store,
[1]
(ii)
the amount spent at the Book Store.
[1]
(b)
Form an equation in terms of x for the total amount of money spent.
[1)
Solve the equation formed in (b) to determine the amount of money spent at the Music
Store.
(c)
[2]
3
A triangle has sides of length x + 2, 2x + 3 and 3x + 2 centimetres, and an altitude
of x centimetres.
NOT TO
x + 2
2r + 3
SCALE
Transcribed Image Text:ull aliv ? 2:31 PM @ 0 75% simle equation wor... Grade 10AH2 Simple equations 1. 2/3H H WATER SAND An oil rig of height H metres is located in the ocean. One-quarter of the rig is in the sand, 4 metres is in the water and two-thirds of it is in the air. (a) Write an equation, in terms of H, to répresent this data. [1] (b) Solve your equation to find the height of the oil rig. [4] 2 Jerry had $100. He went to a Computer Store, a Book Store and a Music Store. He spent three times as much money in the Computer Store as he did at the Music Store. He spent $12 less at the Book Store than at the Music Store. He then had $37 left. (a) Using x to represent the amount he spent at the Music Store, express in terms of x, (i) the amount spent at the Computer Store, [1] (ii) the amount spent at the Book Store. [1] (b) Form an equation in terms of x for the total amount of money spent. [1) Solve the equation formed in (b) to determine the amount of money spent at the Music Store. (c) [2] 3 A triangle has sides of length x + 2, 2x + 3 and 3x + 2 centimetres, and an altitude of x centimetres. NOT TO x + 2 2r + 3 SCALE
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