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3 years ago

11

Express the first quantity as a percentage of the second(ii) 500 gm, 6 kg

1 answer:

Dmitriy789 [7]3 years ago

5 0

Answer; (i) 40 p, Rs 2 = 40 p to 200 p (1 Rupee = 100 paise)
Explanation;

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In a group of eighteen people, each person shakes hands once with each other person in the group. How many handshakes will occur

miv72 [106K]

The number of handshakes that will occur in a group of eighteen people if each person shakes hands once with each other person in the group is 153 handshakes

In order to determine the number of handshakes that will occur among 18 people, that is, the number of ways we can choose 2 persons from 18 people.

∴ The number of handshakes = $^{18}C_{2}$

$^{18}C_{2} = \frac{18!}{(18-2)!2!}$

$^{18}C_{2} = \frac{18!}{16!2!}$

$^{18}C_{2} = \frac{18\times17\times16!}{16!\times2!}$

$^{18}C_{2} = \frac{18\times17}{2\times1}$

$^{18}C_{2} = \frac{306}{2}$

$^{18}C_{2} = 153$

∴ The number of handshakes = 153 handshakes

Hence. 153 handshakes will occur in a group of eighteen people if each person shakes hands once with each other person in the group.

Learn more here: brainly.com/question/1991469

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2 years ago

Where is the number 5 − 9 located on a horizontal number line? (1 point)

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9 units to the left of 5.

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3 years ago

To change the shape of a function, you need to __or compress it.

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3 years ago

Please help due tomorrow

grigory [225]

26 is 40 percent of x

Make "is" an = sign and "of" a × sign

26 = 40% × x

rewritten: convert 40% into a decimal by moving the decimal twice to the left

26 = .40x

Divide both sides by 0.40.

x = 65

D) 65

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3 years ago