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Vlada [557]
3 years ago
14

Do anyone want to help me with this one if not its ok.

Mathematics
1 answer:
alexandr402 [8]3 years ago
4 0
The answer is strep 1
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Triangle 3 because its length is longer than the others.
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3 years ago
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What is the equation of the circle with center (-3.2, -2.1) and radius 4.3?
Ilya [14]

The equation of the circle is :  x^{2} + y^{2} + 6.4x + 4.2y = 3.84

<h3>Meaning of a Circle</h3>

A circle is a loci or a continuous line that equidistant from the center to any point on the line. it drawn starting from a point and ending on that same  point.

The equation of a circle is an equation used to find points on a circle so the circle can be drawn with accurate measurement. it can also be used to find the missing points.

In conclusion, The equation of the circle is :  x^{2} + y^{2} + 6.4x + 4.2y = 3.84

Learn more about equation of a circle: brainly.com/question/1506955

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6 0
2 years ago
A random sample of 35 business students required an average of 50.7 minutes to complete a statistics exam. Assume that the popul
love history [14]

Answer:

(47.3, 54.1)

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1 - 0.95}{2} = 0.025

Now, we have to find z in the Ztable as such z has a pvalue of 1 - \alpha.

That is z with a pvalue of 1 - 0.025 = 0.975, so Z = 1.96.

Now, find the margin of error M as such

M = z\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

M = 1.96\frac{10.4}{\sqrt{35}} = 3.4

The lower end of the interval is the sample mean subtracted by M. So it is 50.7 - 3.4 = 47.3

The upper end of the interval is the sample mean added to M. So it is 50.7 + 3.4 = 54.1

The answer is (47.3, 54.1).

6 0
3 years ago
What is 26% of 480?<br> Please
erica [24]

Answer:

124.8 is 26% of 480.

Step-by-step explanation:

required percentage is :

  • 26/100 × 480
  • 13 / 50 × 480
  • 13 / 5 × 48
  • 124.8

<em>i</em><em> </em><em>hope</em><em> </em><em>it</em><em> </em><em>helped</em><em>.</em><em>.</em><em>.</em>

3 0
3 years ago
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What are the positive and negative square roots of 1,6007
Dmitry [639]

Answer: 126.52

Step-by-step explanation:

The square root of 16,007 is approximately 126.52

There are no negative square roots

4 0
3 years ago
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