jamylovesdonuts jamylovesdonuts

20-05-2016
Mathematics

Answered

evaluate each expression for s = 2 and t = 5

-4(s)²+t³÷5

Verified Answer :

firenlaw firenlaw

20-05-2016

-4(s)^2 + t^2 ÷ 5
-4(2)^2 + 5^2÷ 5=
-4x4 + 25/5 =
-16 + 5 = -11

Answer Link

apologiabiology apologiabiology

20-05-2016

sub
s=2
t=5

-4(2)^2+(5^3)/5
PEMDAS

exponents first sice parentahsees are already simplified
2^2=4
5^3=125
now we have
-4(4)+125/5
multiplication or division
-4 times 4=-16
125/5=25

nowe we have
-16+26
9

answer is 9

Answer Link

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