3 years ago

Simplify 3/4 - 1 1/4

Mathematics

2 answers:

lions [1.4K]3 years ago

7 0

I'm pretty sure the answer is 1/2 because 1 1/4 is the same as 1/4 and 3/4-1/4= 1/2

lbvjy [14]3 years ago

4 0

I think the answer is -7/4.

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$l-larger\\s-smaller\\\\\dfrac{h_l}{h_s}=\dfrac{3}{2}\to\dfrac{V_l}{V_s}=\left(\dfrac{3}{2}\right)^3\\\\V_l=135\ cm^3.\\subtitute\\\\\dfrac{135}{V_s}=\dfrac{27}{8}\ \ \ \ |cross\ multiply\\\\27V_s=135\cdot8\\\\27V_s=1080\ \ \ |divide\ both\ sides\ by\ 27\\\\\boxed{V_s=40\ (cm^3)}$

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3 years ago

PLEASE help me I need help

Alexxandr [17]

Answer:

Step-by-step explanation:

The rest you can elimate because of obvious inferring and reasoning so process of elimination

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3 years ago

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