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erma4kov [3.2K]
3 years ago
10

1) the entrance way to the presidio is a rectangle topped by a half circle arch that is 3.2m wide. If the ratio of the area of t

he rectangle to the area of the arch is approximately 3:1, what it the height of the rectangular entranceway?
Mathematics
1 answer:
alexandr402 [8]3 years ago
6 0
The answer to the height of the thing is 4.2
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What is the simplified value of the exponential expression 16 superscript one-fourth? 2 4
USPshnik [31]

The simplified value of the exponential expression is 2.

<h3>How to get the simplified expression?</h3>

Here we need to simplify the expression:

16^{1/4}

First, you need to remember that:

\sqrt[n]{x} = x^{1/n}

Then we can just write:

16^{1/4} = \sqrt[4]{16}

And now, you can remember that:

2*2 = 4

Then:

2*2*2*2 = 4*4 = 16

From this, we can conclude that:

2^4 = 16\\\\\sqrt[4]{16} = 2

So we conclude that the simplified value is 2.

If you want to learn more about exponential expressions:

brainly.com/question/11464095

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Solve the quadratic equation. <br><br> 3x^2 - 5= 70<br><br> (Please explain steps)
Svet_ta [14]
Simplifying
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Reorder the terms:
-5 + 3x2 = 70
Solving
-5 + 3x2 = 70

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '5' to each side of the equation.
-5 + 5 + 3x2 = 70 + 5

Combine like terms: -5 + 5 = 0
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Combine like terms: 70 + 5 = 75
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Divide each side by '3'.
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Simplifying
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Take the square root of each side:
x = {-5, 5} and that’s it.
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UkoKoshka [18]

Answer:

The equation does not have a variable

Step-by-step explanation:

6=?-8

Answer: The equation does not have a variable to solve for x

Hope this helps.

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Can someone help me with this. Will Mark brainliest.
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Answer:

pt B: (-1, -8)

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3 0
3 years ago
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