Answer:
Step-by-step explanation:
0.4 × 3.2
Convert to fraction
0.4 = 4/10 = 2/5 & 3.2 = 32/10 = 16/5
0.4 × 3.2 = 2/5 × 16/5 = 32/25 = 1.28
Without conversion you press ur calculator and you get 1.28
Answer:
x=4
Step-by-step explanation:
3(x+2)=2(x+5)
opening brackets
3x+6=2x+10
3x-2x=10-6
1x=4
Answer:
"Evaluation" mostly means "simplifying an expression down to a single numerical value". Sometimes you will be given a numerical expression, where all you have to do is simplify; that is more of an order-of-operations kind of question
example: So let we are given a polynomial function as:
and we are aksed to evaluate this polynomial at 
Then the value of the polynomial will be:

Hence on evaluating the polynomial function f(x) at
we get the value of the polynomial function as
.
Answer:
n < 42
Step-by-step explanation:
450 + 25n < 1500 (Has to be less than 1500)
25n < 1500 - 450
25n < 1050
n < 42
Answer:
D. 46 minutes 12 seconds
Step-by-step explanation:
To find the answer, we need to calculate the least common multiple of 252,308 and 198
252=
×
×7
308=
×7×11
198=2×
×11
Then <em>least common multiple</em> is
×
×7×11=2772 seconds
2772 = 46×60 + 12
Therefore 2772 secondsis equal to 46 minutes 12 seconds.