3 years ago

You guessed the height of the building to be 23 feet, but it was actually 35 feet. What was your percent error?

Mathematics

1 answer:

Juli2301 [7.4K]3 years ago

4 0

Answer:

The error was 28.575%, rounded to 29%.

Step-by-step explanation:

(35-25/35)

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The width of a square tablecloth is 8 feet. What is the area of the tablecloth?

sergij07 [2.7K]

Answer:

The answer is 64

Step-by-step explanation:

Since a square's sides are equal that means the dimensions are equal as well

8 x 8 = 64

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2 years ago

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Jackson used the process of completing the square to solve the equation 2x2−12x=−6.

Nikolay [14]

Answer:

$x=3-\sqrt{6},x=3+\sqrt{6}$

Step-by-step explanation:

we are given equation as

$2x^2-12x=-6$

Since, we have to solve it by using complete square

so, firstly we will complete square

and then we can solve for x

step-1:

Factor 2 from both sides

$2(x^2-6x)=-3\times 2$

step-2:

Simplify it

$x^2-6x=-3$

step-3:

Add both sides 3^2

$x^2-6x+3^2=-3+3^2$

now, we can complete square

$(x-3)^2=6$

step-4:

Take sqrt both sides

$(x-3)=-\sqrt{6},(x-3)=\sqrt{6}$

step-5:

Add both sides by 3

we get

$x=3-\sqrt{6},x=3+\sqrt{6}$

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3 years ago

Ryann planned on swimming 14 miles. Instead, he was only able to swim 1/4 of that distance. How many miles did Ryan swim?

mote1985 [20]

Hey there,

Given the question it shows that Ryann swam 1/4 of 14 miles that he was supposed to swim.

In words of is another way to say 1/4 * 14...

14/4

This expressed as a mixed number would be...

3 and 2/4 or 3 1/2

Of the 14 miles that Ryann was supposed to swim he swam 3 1/2 miles.

Hope I helped,

Amna

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The answer to your problem is 2.5.

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B. I hope this help please let me know if it's correct.

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