<img src="https://tex.z-dn.net/?f=%20%28-%20%20%5Cfrac%7B%20%7B1%7D%5E%7B2%7D%20%7D%7B3%7D%20%29%20%2B%20%20%5Cfrac%7B5%7D%7B6%7

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2 years ago

D%20%28%20-%20%20%5Cfrac%7B1%7D%7B2%7D%20%29" id="TexFormula1" title=" (- \frac{ {1}^{2} }{3} ) + \frac{5}{6} ( - \frac{1}{2} )" alt=" (- \frac{ {1}^{2} }{3} ) + \frac{5}{6} ( - \frac{1}{2} )" align="absmiddle" class="latex-formula">

Mathematics

1 answer:

coldgirl [10]2 years ago

5 0

Answer:

$-\frac{3}{4}$

Step-by-step explanation:

$(-\frac{1^{2}}{3}})+\frac{5}{6}(-\frac{1}{2}) =-\frac{1}{3} -\frac{5}{12} =-\frac{3}{4}$

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Your friend says that 14.5% is equivilent to 14.5

SCORPION-xisa [38]

14.5% = 0.145 = 145/1000

14.5 = 14500/1000

So 14.5% is a hundredth the size of 14.5, so they are not equal and the friend is incorrect.

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3 years ago

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Given that PQRS is a square, find x and y.

Dovator [93]

Every angle of a square equals 90 degrees.

2x - 4 = 90 3y + 6 = 90
2x = 90 + 4 3y = 90 - 6
2x = 94 3y = 84
x = 94/2 y = 84/3
x = 47 y = 28

so x = 47 and y = 28

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3 years ago

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The population of a city has decreased by 38% since it was last measured. If the current population is 27,900, what what the pre

Varvara68 [4.7K]

Answer:

The population of a city has decreased by 38% since it was last measured. If the current population is 27,900 .Previous population of city was 45000.

Solution:

Given that current population of city is 27900.

Also, population of a city has decreased by 38% since it was last measured.

Let assume that population of city when it was last measured = x

Decreased of 38% means x-38% of x . we can write this as,

$=x-\frac{38}{100} \times x$