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MariettaO [177]
3 years ago
12

Joel is constructing a line perpendicular . He has already constructed three arcs as shown. Use the image to answer the question

. He moves his compass point to W to construct a fourth arc.
What must be true about the width of Joel’s compass opening before he draws the arc?

It must be narrower than it was when constructing the arc above P.

It must be the same as it was when constructing the arc above P.

It must be wider than it was when constructing the arc above P.

Mathematics
2 answers:
IgorC [24]3 years ago
8 0
<span>It must be the same as it was when constructing the arc above P.</span>
sveta [45]3 years ago
5 0

Answer:

It must be the same as it was when constructing the arc above P.

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Answer: 60.93 < μ < 69.07

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To find the interval, use

x±z\frac{s}{\sqrt{n}}

z is z-score related to the % of confidence level

In this case, a 99% confidence interval is 2.576

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Calculating:

x=\frac{63+69+62+66}{4}

x = 65

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65±4.07

Confidence Interval: 60.93 < μ < 69.07

Meaning that we are 99% sure the population means is between 60.93 and 69.07.

7 0
2 years ago
When the product of 6 and the square of a number is increased by 5 times the number, the result is 4. Which equation represents
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6{x}^{2} + 5x = 4
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3 years ago
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Answer:

c=10

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Step-by-step explanation:

Every time a square root results in a decimal, it will always never end, and never repeat. The square root of 35 qualifies for both of these qualities, therefore, making the answer (A). Hope this helps!

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OleMash [197]

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The zeros of a quadratic function are the solutions of the related quadratic equation. If the graph of a quadratic function crosses the x-axis, there will be two real number solutions. If the graph of a quadratic function just touches the x-axis, there will be one unique real number, or double root, solution. If the graph of a quadratic function does not cross the x-axis, there will be no real number solution.

Step-by-step explanation:

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