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3 years ago

2X+y_14=0(0.2)what is answer??

Mathematics

1 answer:

Ivanshal [37]3 years ago

3 0

Answer:

0.2

Step-by-step explanation:

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.What is the crude mortality rate for Regionville? Regionville is a community of 100,000 persons. During 1985 there were 1,000 d

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Answer: C

Step-by-step explanation:

Crude mortality rate= total no of deaths in 1 year ÷ total population per 1000

total number of death that year 1985 is 1000 and the total population is 100000

= 1000/100,000

= 10 per 1000.

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3 years ago

Which expression is equivalent to the given expression? 3(x-7)+4(x^2-2x+9)

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I think it is 4x^2-5x+15

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3 years ago

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4 years ago

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Triangle QRS is a right triangle with the right angle at vertex R. The sum of m∠Q and m∠S must be equal to 45°. greater than 45°

HACTEHA [7]

Answer:

<h3> The sum of m∠Q and m∠S must be equal 90°</h3>

Step-by-step explanation:

The measure of right angle is 90°

The sum of measures of angles in any triangle is 180°

so:

m∠Q + m∠S + ∠R = 180°

m∠Q + m∠S + 90° = 180°

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3 years ago

Find the least common multiple (LCM) of 7 and 12.

liubo4ka [24]

Answer:

Step-by-step explanation:

Method 1 ; Prime factorization

$7 ,12\\\mathrm{Prime\:factorization\:of\:}7:\quad 7\\\mathrm{Prime\:factorization\:of\:}12:\quad 2\cdot \:2\cdot \:3\\= 847\times\:2\times\:2\times\:3\\= 84$

Method 2 ;Multipliers

$\mathrm{The\:multipliers\:of\:}7\\=7,\:14,\:21,\:28,\:35,\:42,\:49,\:56,\:63,\:70,\:77,\:84,\:91,\:98,\:105...\\\\\mathrm{The\:multipliers\:of\:}12\\=12,\:24,\:36,\:48,\:60,\:72,\:84,\:96,\:108,\:120,\:132,\:144,\:156,\:168,\:180...\\\\\mathrm{The\:smallest\:common\:number\:is} \\=84$

Method 3 ; Using GCD

$lcm\left(a,\:b\right)=\frac{|a\cdot b|}{gcd\left(a,\:b\right)}\\\\\mathrm{Greatest\:Common\:Divisor\:of\:}7,\:12:\quad 1\\=\frac{\left|7\times\:12\right|}{1}\\\\= 84$

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3 years ago

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2X+y_14=0(0.2)what is answer??​

2X+y_14=0(0.2)what is answer??