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abruzzese [7]
3 years ago
6

How many does this have

Mathematics
2 answers:
e-lub [12.9K]3 years ago
4 0
However many dots there is those are solutions I counted 4.
V125BC [204]3 years ago
3 0
I think 5 then. I also counted 4 (from the dots that connect at the same intersection)
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Find the area of abc. round your answer to the nearest tenth. b=87, a = 10.1, c = 9.8
Advocard [28]
The area of the triangle can be calculated through the equation,
             A = sqrt ((s)(s - a)(s - b)(s - c))
where A is area, s is the semiperimeter ((a + b + c)/2), a, b, and c are the sides given above.

The presented equation above is the Heron's formula.

Substituting the known values,
             s = (8.7 + 10.1 + 9.8) / 2
              s = 14.3

    A = sqrt ((14.3)(14.3 - 8.7)(14.3 - 10.1)(14.3 - 9.8))
           <em>A = 38.9 units squared

</em>
Thus, the answer to this item is not among the choices. <em>
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3 years ago
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Mariana [72]

Answer:

GCF of 18 and 54 is 18.

Step-by-step explanation:

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2 years ago
Analyze the data sets below. Which of the following statements are true? Select all that apply. (Algebra Nation Test Yourself)
Ray Of Light [21]
I know the 1st and last one but i’m not sure on the rest sorry :(
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At a certain university, the average attendance at basketball games has been 3125. Due to the dismal showing of the team this ye
Neporo4naja [7]

Answer:

The test statistic needed to evaluate the claim is t = -1.08.

Step-by-step explanation:

The test statistic is:

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

In which X is the sample mean, \mu is the expected value of the mean, s is the standard deviation of the sample and n is the size of the sample.

At a certain university, the average attendance at basketball games has been 3125. The athletic director claims that the attendance is the same as last year.

This means that \mu = 3125

Due to the dismal showing of the team this year, the attendance for the first 9 games has averaged only 2915 with a standard deviation of 585.

This means that n = 9, X = 2915, s = 585

What is the test statistic needed to evaluate the claim?

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

t = \frac{2915 - 3125}{\frac{585}{\sqrt{9}}}

t = -1.08

The test statistic needed to evaluate the claim is t = -1.08.

6 0
2 years ago
4) y =<br> Justify:<br> 63°<br> у
kenny6666 [7]

Answer:

y = 63° because they are alternate angles.

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