726 x 5 estimate then find the product
2 answers:
Answer:
3500.
Step-by-step explanation:
We have been given a product of two numbers . We are asked to estimate our given number and then find the product.
Since the tens place in 726 is less than 5, therefore, we will round down 726 to nearest hundred that is 700.
The estimated product of our given numbers would be:
Therefore, our estimated product would be 3500.
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Answer:
The length of a side of the flag is 7.2inches
Step-by-step explanation:
Let length = x
Let hypotenuse = x+3
Using Pythagoras' Theorem:
x^2 + x^2 = (x+3)^2
x^2 + x^2 = x^2 + 6x + 9
2x^2 = x^2 + 6x + 9
×^2 - 6x - 9 = 0
x=[-(-6)+sqrt.(-6)^2-4(1)(-9)]/2(1)
×=[6+sqrt.72]/2
×=7.2inches
×=[-(-6)+sqrt.(-6)^2-4(1)(-9)]/2(1)
x=[6-sqrt.72]/2
×=-1.2(rej)
(PS. sqrt is square root)
(Correct me if i am wrong)