2 years ago

What is 15.40 rounded off the nearest whole number

Mathematics

2 answers:

netineya [11]2 years ago

5 0

15 because the first number after the decimal 15.(4)0 must be 5 or more to round up

melisa1 [442]2 years ago

4 0

Answer:

Step-by-step explanation:

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^ { (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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2 years ago

the bottom of the swimming pool has an area of 48 meters. If the pool is 2 meters deep, what is the volume of the pool

KiRa [710]

Volume of a rectangular prism=Base*Height
Area is 48 meters squared and height is 2 meters
V=48*2
V=96 cubic meters

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2 years ago

4c+9=[8c+1-(2c-11)]/3 solve c plz .

Illusion [34]

Answer:

c= -2 1/2

Step-by-step explanation:

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Answer:

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