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Find the numerical value of the expression $\frac{4}{5}\left(\frac{x+y+2z}{4}\right)+\frac{1}{5}\left(\frac{a+b}{2}\right),\:x=8,\:y=\frac{19}{2},\:z=9,\:a=9,\:b=9$

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 Solution

 Videos

Algebra 2 - Learning to solve rational equations in math class ((x+3)/(x‐2)) + (5/(x^2‐4)) = 1

https://www.youtube.com/watch?v=y8p0Tpn3BcI

Pre-Calculus - Mulitplying by the LCM to simplify a complex fraction, (1/4 + 2/3)/(5/6 - 1/12)

https://www.youtube.com/watch?v=Cz-Gq4tqQ6c

Equations with rational expressions | Mathematics III | High School Math | Khan Academy

https://www.youtube.com/watch?v=McOMtxI_Jzs

Algebra 2 - Multiplying two exponents with rational powers, then simplifying, 2x^(2/5) . 6x^(1/4)

https://www.youtube.com/watch?v=ITQM50h5BlY

Algebra 1 - Using order of operation on a quotient - Free Math Videos (5^2 4 – 54^2) / 5(4)

https://www.youtube.com/watch?v=Vxn_2d3h3Jg

Algebra 2 Learn how to find the exact value of an angle using sum formula for tangent, tan(5(pi)/12)

https://www.youtube.com/watch?v=EIW9JHLvbkw

 Function Plot

Plotting: $\frac{1}{5}\left(\frac{35}{2}+2z\right)+\frac{a+b}{10}$

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1

2

3

4

5

6

7

8

9

0



a

b

c

d

f

g

m

n

u

v

w

x

y

z

.

(◻)

+

-

×

◻/◻

/

÷

◻²

◻^◻

√◻

√

^◻√◻

^◻√

∞

e

π

ln

log

log_◻

lim

d/dx

D^□_x

∫

∫^◻

|◻|

θ

=

>

<

>=

<=

sin

cos

tan

cot

sec

csc

asin

acos

atan

acot

asec

acsc

sinh

cosh

tanh

coth

sech

csch

asinh

acosh

atanh

acoth

asech

acsch

 How to improve your answer:

Main Topic: Numerical value of an algebraic expression

The numerical value of an algebraic expression is the result obtained by substituting the variables by a numerical value given.

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