A contractor claims that she finishes a job on time 90%
1 answer:
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The correct algebraic expression is X ÷ 5 - 17 = 41
<h3>What is an algebraic expression?</h3>An algebraic expression is a term that refers to a way of representing mathematical operations in which letters and numbers are combined, related to signs of the operations such as:
- Addition (+)
- Subtraction (-)
- Multiplication (×)
- Division (÷)
- Empowerment (
)
According to the above, we can infer that the correct algebraic expression would be:
- X ÷ 5 - 17 = 41
In this algebraic expression the letter X represents a number that we do not know and we must find.
Learn more about algebraics in: brainly.com/question/953809
Answer:
S = 85cm^2
Step-by-step explanation:
The surface area of a square pyramid is given by the following formula:
where it has taken into account the sum of the area of a square and four triangles:
h: slant height = 6cm
b: base = 5cm
By replacing in the formula you obtain:
hence, the surface area is 85cm^2