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Stels [109]
3 years ago
7

Really easy....plz help if u can..will mark

Mathematics
1 answer:
goldenfox [79]3 years ago
4 0

Answer:

The distributive property.

Step-by-step explanation:

The distributive property is when you distribute a number to different numbers in a parentheses. For example...

2*x would be 2x, and 2*4 would be 8.

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Write 41.139 as a mixed number.
AysviL [449]

Answer:

41 139/1000

Step-by-step explanation:

41.139

41 139/1000

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Which number is a perfect cube 5,100,125,150
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Answer is 125.
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Please help me please help me​
Lostsunrise [7]

Answer:

largest 4 digit number × largest 3 digit number

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john has 16 red balls and 12 black balls. what is the ratio ( in simplest form) of red balls to black balls
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3 years ago
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What is the product of (3a + 2)(4a2 – 2a + 9)?
nataly862011 [7]

Answer:

a = -2/3

Step-by-step explanation:

Solve for a over the real numbers:

(3 a + 2) (4 a^2 - 2 a + 9) = 0

Split into two equations:

3 a + 2 = 0 or 4 a^2 - 2 a + 9 = 0

Subtract 2 from both sides:

3 a = -2 or 4 a^2 - 2 a + 9 = 0

Divide both sides by 3:

a = -2/3 or 4 a^2 - 2 a + 9 = 0

Divide both sides by 4:

a = -2/3 or a^2 - a/2 + 9/4 = 0

Subtract 9/4 from both sides:

a = -2/3 or a^2 - a/2 = -9/4

Add 1/16 to both sides:

a = -2/3 or a^2 - a/2 + 1/16 = -35/16

Write the left hand side as a square:

a = -2/3 or (a - 1/4)^2 = -35/16

(a - 1/4)^2 = -35/16 has no solution since for all a on the real line, (a - 1/4)^2 >=0 and -35/16<0:

Answer:  a = -2/3

6 0
3 years ago
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