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Mathematics 11 Online
OpenStudy (anonymous):

@srgntb0$$

OpenStudy (anonymous):

Evaluate the expression 3.14(a2 + ab) when a = 4 and b = 3.

OpenStudy (misty1212):

HI!!

OpenStudy (misty1212):

isiti \[3.14(a^2+ab)\]?

OpenStudy (misty1212):

do \[3.14\times (4^2+4\times 3)\] with a calculator

OpenStudy (anonymous):

i know how to do it is im not sure if i put ab together or i make parenthesis

OpenStudy (anonymous):

ohhh ok thanks that is what i need oh can u help me on 3 more

OpenStudy (misty1212):

if they are quick, ihave to go to class

OpenStudy (anonymous):

What is the value of Fraction 1 over 2x3 + 3.4y when x = 3 and y = 4? 15.85 18.1 27.1 31.6

OpenStudy (anonymous):

he expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. If the length is Fraction 2 over 3 unit and the width is Fraction 1 over 3 unit, what is the perimeter of the rectangle in units? Fraction 2 over 3 unit 1 unit 1Fraction 2 over 3 units 2 units

OpenStudy (misty1212):

i don't see an x in your expression

OpenStudy (misty1212):

\[\frac{1}{x}\times 3+3.14\times y\]?

OpenStudy (misty1212):

here is the first one http://www.wolframalpha.com/input/?i=3.14*4%2B1

OpenStudy (anonymous):

quick question for the first one i put is the answer 87.92 ??

OpenStudy (anonymous):

what?

OpenStudy (misty1212):

the second one is just 2

OpenStudy (anonymous):

oohh that a 1/2*3+3.14*y

OpenStudy (anonymous):

what?

OpenStudy (anonymous):

???

OpenStudy (anonymous):

@srgntb0$$

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