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4 years ago

What is the perimeter

Mathematics

1 answer:

Alenkinab [10]4 years ago

7 0

The perimitar Is 177 feet.

do this by adding all the sides together and dont forget to put the units there in the end.

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Why is it helpful to find different representations of the same number?

Paul [167]

Looking at a number in different ways can help understand it’s application better. For example, giving an answer with radicals(square roots) is precise, but it’s not practical because you really don’t know what that number means.

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4 years ago

What is the ordered pair for -x-4y=-10

Romashka-Z-Leto [24]

Maybe I’m wrong but I tried... I added 4y to both sides and added -10 + 4y and got -6y and I bring down the -X and divided it by both sides and divided it to the -6y and my answer is -6y

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3 years ago

Three whole numbers are each rounded to the nearest 10

Aloiza [94]

9514 1404 393

Answer:

Step-by-step explanation:

The maximum whole number that will round to 10 is 14, that is, it may be 4 more than the nearest 10.

If all three numbers are 4 more than the nearest 10, their maximum sum will be 12 more than the sum of the rounded numbers.

For example, consider the numbers 34, 34, 24. These have a sum of 92. When rounded to the nearest 10, their values are 30, 30, 20, which have a sum of 80.

The maximum sum of the three original whole numbers is 92.

5 0

3 years ago

Distribute 9(3x^3-2)

Vladimir79 [104]

First you need to distribute the 9.

So 9 times 3 and 9 times 2

The Algebraic should look like now: (27^3x-18)

So the final answer is: $27x^{3} - 18$

You cannot simplify it anymore because there are <u>no like terms left.</u>

4 0

3 years ago

Read 2 more answers

A 10 -foot ladder is leaning against a building. The base of the ladder is 3 feet from the side of the building. How high does t

AleksAgata [21]

Answer:

The ladder is 5.20 feet tall on the side of the building

Step-by-step explanation:

Here, we simply want to calculate the height the ladder is from the base of the building

To get this, we need a pictorial representation of what we have here.

From what we have here, we have a right-angled triangle with a hypotenuse of 10 foot and a base of 3 feet

We apply Pythagoras’ theorem to get how far is the tip of the ladder from the base of building

Pythagoras’ stated that the square of the hypotenuse equals the sum of the squares of the two other sides

In this case, let the height be x

So;

x^2 + 3^2 = 6^2

x^2 = 6^2 - 3^2

x^2 = 36 - 9

x^2 = 27

x = √27

x = 5.196 feet

which to two decimal places is 5.20 feet

4 0

3 years ago