HAL
со:
15. M
tic
B
S
16. 7
f
Find the ratios x:y: z if:
(a...
Mathematics, 11.05.2021 20:40 gymnast5464
HAL
со:
15. M
tic
B
S
16. 7
f
Find the ratios x:y: z if:
(a) x: y = 9:10 and y: z= 5:3
(b) x = 4y and 2y = 3z
If x : y = 9:11, find the ratio (5x – 3y): (2x + 3y).
Two numbers are in the ratio s:t. If the first is a, find the second
The ratio of the radii of two spheres is 4 : 5. What is the ratio of
(a) their surface areas.
(b) their volumes.
The length of each side of a square is increased by 15%. Calculate
percentage increase in its area.
There is a 25% loss when an article is sold at sh. 200. At what price she
it be sold in order to make a profit of 5%?
A manufacturer sells goods to a shopkeeper at a profit of 15%
shopkeeper sells them so as to make a profit of 25%. During a sale.
shopkeeper reduced his prices by 10%. Find, to the nearest shilling,
factory nrice of an article which is marked at sh. 450 during the sale
Answers: 3
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An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3
Answers: 2
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Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be
Answers: 1
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