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densk [106]
3 years ago
6

What is the measurement of Q?

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
6 0

Answer: it would be 32

PilotLPTM [1.2K]3 years ago
4 0

Answer:

32

Step-by-step explanation:

I did the mathmathics

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8 km, 12 km, 13 km<br> A) Obtuse B) Right<br> C) Acute
kakasveta [241]

Answer:

C) Acute

Step-by-step explanation:

3 0
2 years ago
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Use​ Green's Theorem to evaluate the line integral. Assume the curve is oriented counterclockwise. Contour integral Subscript Up
Setler79 [48]

By Green's theorem, we have

\displaystyle\int_C\left(7x+\cos\frac1y\right)\,\mathrm dy-(3y^2+\ln(3x))\,\mathrm dx

=\displaystyle\iint_{[1,4]\times[0,3]}\frac{\partial\left(7x+\cos\frac1y\right)}{\partial x}-\frac{\partial(-(3y^2+\ln(3x))}{\partial y}\,\mathrm dx\,\mathrm dy

=\displaystyle\int_0^3\int_1^47+6y\,\mathrm dx\,\mathrm dy=\boxed{144}

4 0
3 years ago
Subtract: (x2 − 8x + 5) − (−3x2 + 5x − 9) help me please.
kicyunya [14]
The answer is 4x^2-13x+14
8 0
3 years ago
Describe how the variability of the distribution changes as the sample size increases. As the sample size increases, the variabi
wolverine [178]

Answer:

As the sample size increases, the variability decreases.

Step-by-step explanation:

Variability is the measure of actual entries from mean.  The less the deviations the less would be the variance.

For a sample  of size n, we have by central limit theorem the mean of sample follows a normal distribution for random samples of large size.

X bar will have std deviation as \frac{s}{\sqrt{n} }

where s is the square root of variance of sample

Thus we find the variability denoted by std deviation is inversely proportion of square root of sample size.

Hence as sample size increases, std error decreases.

As the sample size increases, the variability decreases.

7 0
3 years ago
Solve the equation. 9x−(3x+9)=2x−25 Select the correct choice below and fill in any answer boxes in your choice. A. The solution
nataly862011 [7]

Answer: Choice A, x=-4

Step-by-step explanation:

1. 9x−(3x+9)=2x−25

2. 9x-3x-9=2x-25

3. 6x-9=2x-25

4. 6x-9=2x-25  

   -2x          -2x

5. 4x-9=-25

       +9    +9

6. 4x=-16 (divide both sides by 4)

7. x=-4

7 0
3 years ago
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