Login
Remember
Register
EasyElimu Questions and Answers
Questions
Unanswered
Tags
Users
Ask a Question
Ask a Question
A carpenter wishes to make, a ladder with 18 cross-pieces. The cross pieces are to diminish uniformly in lengths from 65cm at the bottom to 31cm at the top. Calculate the length in cm, of the eighth cross-piece from the bottom.
0
votes
500
views
asked
Aug 13, 2021
in
Mathematics Form 1
by
anonymous
A carpenter wishes to make, a ladder with 18 cross-pieces. The cross pieces are to diminish uniformly in lengths from 65cm at the bottom to 31cm at the top. Calculate the length in cm, of the eighth cross-piece from the bottom.
length
Please
log in
or
register
to answer this question.
1
Answer
0
votes
answered
Aug 13, 2021
by
anonymous
31 = 65 + 17d ⇒ 17d = -34
d = -2
T8 = 65 + 7(-2)
= 65 – 14
= 51
Please
log in
or
register
to add a comment.
Related questions
0
votes
1
answer
An artisan has 63Kg of metal of density 7000Kg/m3. He intends to use it to make a rectangular pipe with external dimension 12 cm by 15 cm and internal dimension 10 cm by 12 cm. calculate the length of the pipe in metres.
asked
Aug 4, 2021
in
Mathematics Form 1
by
anonymous
volume and capacity
0
votes
0
answers
a vertical spring of unstretched length 30 cm is clamped at its upper end when sand is placed in a pan attached to the lower end of the spring its length becomes 45cm when 20g mass is placed on top of the sand the length increases to 55cm determine the mass of the sand
asked
Aug 30, 2021
in
Physics Form 2
by
Yousuf
hookes law
0
votes
1
answer
A,B and C are three points on a straight line (in that order) on horizontal ground. A and B are on the side of C. At C stands a vertical tower 173.2m high. The distance from A to B is 100m and the angle of elevation of the top of the tower from A is 30°. Find the angle of elevation of the top of the tower from B.
asked
Jun 30, 2021
in
Mathematics Form 1
by
anony mous
trigonometry
0
votes
1
answer
A student hangs a spring vertically from a hook, as shown in Figure below. F3 End Term 1 Physics Q13b With no load, the spring is 12.0 cm long. With a load of 2.0 N on the end of the spring, its length is 15.0 cm. Calculate the extension of the spring.
asked
Aug 23, 2021
in
Physics Form 2
by
anony mous
hooke's law
spring constant
0
votes
1
answer
Figure 4 shows a uniform rod AB of length 1m and weight 8N pivoted at 20 cm from one end. It is balanced by supporting it with a string attached to a fixed support.
asked
Jun 21, 2021
in
Physics Form 1
by
anonymous
force
Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.
Categories
All categories
Mathematics
(632)
Mathematics Form 1
(257)
Mathematics Form 2
(174)
Mathematics Form 3
(175)
Mathematics Form 4
(26)
English
(285)
Kiswahili
(559)
Chemistry
(663)
Physics
(604)
Biology
(659)
Geography
(537)
History
(568)
CRE
(365)
IRE
(53)
Agriculture
(519)
Business Studies
(378)
Computer Studies
(20)
Home Science
(60)
General Questions
(431)
6.4k
questions
9.6k
answers
6
comments
590
users
...