Answer:
9/10
Step-by-step explanation:
=
7
10
+
20
100
=
7
10
+
1
5
=
7
10
+
2
10
=
7+2
10
=
9
10
(Decimal: 0.9)
Step-by-step explanation:
Answer: An algebraic expression is a mathematical expression that consists of variables, numbers, and operations. We can use algebraic expressions to represent unknown number situations involving addition, subtraction, multiplication, and division.
Answer:
Samantha makes more
Step-by-step explanation:
Dillon
41.50/5 would = $8.3 an hr
Samantha
50.40/6 would =$8.4 an hr
Iddentity add
c+0=c
identiy mulitply
22b x 1 = 22b
multiplicative 0
40286 x 0=0
commuative
x+z=z+x
commutative multiply
k x 6=6 x k
associative add
(1+3)+9=1+(3+9)
assoative multiply
(w x h) x l=w x (h x l)
Let:
L = Length
W = Width
The length is 7cm longer than its width, so:
The area is given by:
Therefore:
Solve for W using the quadratic formula:
Therefore:
W = 12.38238 since a negative width wouldn't make any sense
and:
Answer:
W = 12.38238 m
L = 19.38238 m