3 years ago

Three fractions equivalent to 1/3

Mathematics

2 answers:

Ivahew [28]3 years ago

7 0

1/3 is same as 3/9 and 2/6

ser-zykov [4K]3 years ago

3 0

2/6, 3/9, and 4/12

You multiply the top and bottom by random numbers

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Find the area of this pentagon

Nikolay [14]

Answer:

A≈61.94

Just plug it into a calculator

8 0

3 years ago

Solve this quadratic equation by completing the square.<br><br> x^2+10x=7

bogdanovich [222]

Ok, so the quadratic coefient is 1, so great

take 1/2 of the linear coefient and square it
10/2=5, (5)^2=25
add that to both sides
x^2+10x+25=7+25
factor perfect square trionomial
(x+5)^2=32
squaer root both sides
x+5=+/-4√2
minus 5
x=-5+/-4√2

x=-5+4√2 and -5-4√2

3 0

3 years ago

What is the sum of 1/4 and 3/8

kupik [55]

$\dfrac{1}{4}+\dfrac{3}{8}=(*)\\Find\ LCD\ (Least\ Common\ Denominator)\\list\ the\ multiples\\of\ 4:\ \ 0;\ 4;\ \fbox8;\ 12;...\\of\ 8:\ \ 0;\ \fbox8;\ 16;\ 24;\ ...\\LCD\left(\dfrac{1}{4};\ \dfrac{3}{8}\right)=8\\\\(*)=\dfrac{1\cdot2}{4\cdot2}+\dfrac{3}{8}=\dfrac{2}{8}+\dfrac{3}{8}=\dfrac{2+3}{8}=\dfrac{5}{8}$