Answer:
Step-by-step explanation:
Factor
w
2
+
18
w
+
77
using the AC method.
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Consider the form
x
2
+
b
x
+
c
. Find a pair of integers whose product is
c
and whose sum is
b
. In this case, whose product is
77
and whose sum is
18
.
7
,
11
Write the factored form using these integers.
(
w
+
7
)
(
w
+
11
)
1 group of 5 and 1 of 8
draw 5 dots and 8 and count them together
The original expression evaluates to 54.4 as shown in the first working.
_____
For some reason, 3.4 got transcribed to be 1.7 in the 3rd line of the second working. There is no math operation in the expression that requires 3.4 to be divided by 2.
Answer:
They spend four nights
Step-by-step explanation:
Divide 483.40 by 120.85
