The probability of the first pick to be a boy is 10/25.
Let S be the sample space and E be the event of selecting 1 girl and 2 boys.
n(S)=number of ways selecting students of 25.
=²⁵C₃
=25·24·23/3·2·1
=2300
n(E)=(¹⁰C₁·¹⁵C₂)
=[10·(15·14)/2·1
=10500
P(E)=n(E)/n(S)=1050/2300=21/46
Answer:
Greg is 19 and Teri is 11
Step-by-step explanation:
Greg = g
Teri = t
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Formulas:
2t-3= g
g+t = 30
Answer:
g = 19
t = 11
Check:
2(11)-3 = 19
19 + 11 = 30
Answer:
the 3rd choice, 10x + 5, looks good
Step-by-step explanation:
a coefficient is the number in front of a variable , so that's 10
a constant is a number w/o a variable ... so that's 5
Answer:
A polynomial is a set of terms, typically having 2 or more.
Step-by-step explanation:
A polynomial is a general term for having 2 or more. They can be broken down to being more specific.
For example:
The polynomial of 2 terms is known as a binomial.
The polynomial of 3 terms is known as a trinomial.
The polynomial of 4 terms is known as a quadrinomial.
etc.
~
Answer:
inding the Greatest Common Factor (GCF): To find the GCF of two expressions:
Factor each coefficient into primes. Write all variables with exponents in expanded form.
List all factors—matching common factors in a column. ...
Bring down the common factors that all expressions share.
Multiply the factors
