Answer:
area of square=l²
25sq.cm²=l²
l=5sq.cm
area of trapezium =(1/2)(a+b)h
a=5,b=(12+5)=17,h=5
area of trapezium=(1/2)(22)(5)
area=55cm²
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Answer:
48 dollars left
Step-by-step explanation:
120 divided by 10 is 12
12 times 6 equals 72
I believe the answer is 5.9
Answer:
x = 12.6
Step-by-step explanation:
When you have one fraction equated to another one, the means-extremes property allows you to cross multiply, as follows:

can be rewritten as:
a*d = c*b
For this case:

5*x = 7*9
x = 63/5
x = 12.6
Answer:

Step-by-step explanation:
We want to convert the interval [-1, ∞) to inequality notation using <em>x</em> as the variable.
The interval [-1, ∞) reads: "All real numbers between -1 and positive infinity."
In other words, it is all numbers greater than or equal to -1 and less than positive infinity.
Therefore:

Note that we do not use "or equal to" for the infinity as we can never really "equal" infinity.