What is a complex fraction?

1 answer:

7 0

A comlex fraciton is a fraction with another fraction in either the denomenator or the numerator (yo dawg, I heard you like fractions...)

example

$\frac{\frac{2}{3}}{\frac{6}{5}}$ or
$\frac{\frac{2}{3}}{6}$ or
$\frac{2}{\frac{6}{5}}$

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Find the value of the expression 4a to the fourth power - 2b squared +40 when a =2 and b=7

Tom [10]

4a^4 -2b^2 +40
a=2
b=7
4(2)^4 -2(7)^2 +40
PEMDAS is what your gonna use to solve this you go from right to left

First is P which is parentheses which is none
second is E which stands for exponents
4(32)-2(49)+40
now MD multiply or divide
128-98+40
now add or subtract
30+40
last one
70 this is your answer i hope

3 0

3 years ago

Solve for x I don't know how to solve it

mixer [17]

Answer:

x=-12

Step-by-step explanation:

32+2x=6+x+14

2x-x=6+14-32

x=-12

ST=6

TU=-12+14=2

SU=6+2=8

8 0

2 years ago

Find the H.C.F of x² - 3x ,x² - 9

krek1111 [17]

X^2-3x = x(x-3)
x^2-9 = x^2 - 3^2 = (x-3)(x+3)
HCF = x-3

7 0

2 years ago

Read 2 more answers

Fifteen percent of 168

allsm [11]

$\large\text{Hey there!}$

$\rm{15\%\ of\ 168}\\\\\rm{= 15\% \times 168} \\\\\rm{= \dfrac{15}{100}\times 168}\\\\\rm{= \dfrac{15}{100}\times \dfrac{168}{1}}\\\\\rm{=\dfrac{15\times168}{100\times1}}\\\\\rm{= \dfrac{2,520}{100}}\\\\\rm{= 25.2}$