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elixir [45]
3 years ago
11

To convert 3 square feet to square centimeters, multiply 3 by 9.29 × 10-2 True or False

Mathematics
2 answers:
marshall27 [118]3 years ago
7 0
It is false because what you need is to multiply 3 x 929.03 and then you get the right value. That is the reason why.
Black_prince [1.1K]3 years ago
5 0

Answer:

False.

Step-by-step explanation:

To Convert 3 square feet to square centimeter.

Use conversion:

1 square feet = 929.03 square centimeter

Now:

Convert 3 square feet to square centimeter

Using given conversion:

we have;

\text{3 square feet} = 3 \times 929.03 \text{square centimeter}

we can write this as:

⇒\text{3 square feet} = 3 \times 9.2903 \times 10^{2} \text{square centimeter}

Therefore, the given statement is False, to convert  3 square feet to square centimeters, you need to multiply 3 by  9.2903 \times 10^{2}

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A skateboarding ramp is 13in. high and rises at an angle of 13°. How long is the base of the ramp? Round to the nearest inch.
charle [14.2K]
<h3>Answer:  Approximately 56 inches</h3>

===========================================================

Explanation:

The diagram is shown below. We know the vertical part of the triangle is 13 inches, which is the side opposite the reference angle 13 degrees. The adjacent side is unknown. We'll call it x. This is how long the base of the ramp is, which is the horizontal distance along the entire ramp. This distance is on the ground. The ramp itself is the hypotenuse but it seems like your teacher isn't wanting to know this value. So we'll ignore the hypotenuse.

We'll use the tangent rule to connect the opposite and adjacent sides.

tan(angle) = opposite/adjacent

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x = 13/tan(13)

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2 years ago
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sdas [7]

Answer: 8.76\%

Step-by-step explanation:

The formula to find the final amount after getting simple interest :

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Given : Justin deposited $2,000 into an account 5 years ago.

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(2876)=(2000)(1+r(5))\\\\\Rightarrow\ 1+5r=\dfrac{2876}{2000}\\\\\Rightarrow\ 1+5r=1.438\\\\\Righhtarrow\ 5r=0.438\\\\\Rightarrow\ r=\dfrac{0.438}{5}=0.0876

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