3 years ago

4-[2.5(5.4+2.6)-(-7.2)

Mathematics

1 answer:

valkas [14]3 years ago

7 0

-23.2 I think this is the answer

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nirvana33 [79]

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3 years ago

^ { (5x ^ { 3 } -7x ^ { 2 } +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }

Tomtit [17]

Answer:

$-3x^{3} -9x^2+3$

Step-by-step explanation:

Given

$(5x^{3} -7x^{2} +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }$

Required

Simplify

$(5x^{3} -7x^{2} +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }$

Open brackets

$5x^{3} -7x^{2} +3x-4-8x^3 -2x^2 -3x+7$

Collect Like Terms

$-8x^3+5x^{3} -7x^{2} -2x^2+3x -3x-4+7$

Simplify like terms

$-3x^{3} -9x^2+3$

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3 years ago

What is 280.0575 as a fraction

LUCKY_DIMON [66]

Answer...

$280\frac{23}{400}$

Steps....

1) Rewrite the decimal number as a fraction with 1 in the denominator

2) Multiply to remove 4 decimal places. Here, you multiply top and bottom by $10^{4}$ = 10000

3) Find the Greatest Common Factor (GCF) of 2800575 and 10000, if it exists, and reduce the fraction by dividing both numerator and denominator by GCF = 25

4) Simplify the improper fraction!

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Answer:

12:00 PM

Step-by-step explanation:

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3 years ago