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3 years ago

D3a2−(c+b) if a=−2, b=3, c=−12, and d=−4

Mathematics

1 answer:

UkoKoshka [18]3 years ago

8 0

Answer:

Step-by-step explanation:

(-12)(3)(-2)(2)-(-12+3)

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Whats 1784 rounded off

lukranit [14]

Answer:

1780 is the best answer

Step-by-step explanation:

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2 years ago

Read 2 more answers

If 81 is added to a number the result is 39 less than three times the number

Deffense [45]

let x =the number

Step-by-step explanation:

81+x=3x-39

group like terms

81+39=3x-x

120=2x

120/2=2x/2

60=x

therefore x =60

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3 years ago

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8. A box is filled with candies in different colors. We have 40 white candies, 24 green ones, 12

Darya [45]

Answer:

$P(Green\ or\ Red) = 0.30$

Step-by-step explanation:

Given

$White = 40$

$Green = 24$

$Red = 12$

$Yellow = 24$

$Blue = 20$

Required

$P(Green\ or\ Red)$

The total numbe of candy is:

$Total = 40 + 24 + 12 + 24 + 20$

$Total = 120$

This probability is calculated as:

$P(Green\ or\ Red) = P(Green) + P(Red)$

For each, we have:

$P(Green\ or\ Red) = \frac{Green}{Total} + \frac{Red}{Total}$

Take LCM

$P(Green\ or\ Red) = \frac{Green+Red}{Total}$

$P(Green\ or\ Red) = \frac{24+12}{120}$

$P(Green\ or\ Red) = \frac{36}{120}$

$P(Green\ or\ Red) = 0.30$

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3 years ago

In the equation |x+8| = 3 the center number is -8. true or false

jenyasd209 [6]

Answer:

False the center number is a postive 8

Step-by-step explanation:

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3 years ago

Find a formula for the nth term of the sequence 1 -4 9 -16 25

ZanzabumX [31]

X² n = 1,2,3,4,5

1² = 1
2²= 4
3²= 9

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3 years ago