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3 years ago

Find the 45th term of the arithmetic sequence: −9, −2, 5, 12, ...

Mathematics

2 answers:

Nat2105 [25]3 years ago

3 0

You’ll get your answer by adding +7 to each number.

Gennadij [26K]3 years ago

3 0

Answer:

292

I hope this helps!

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Find the value of x for the right triangle. Round your answer to the nearest hundredth.

Karo-lina-s [1.5K]

Answer:

450 foe

Step-by-step explanation:

7 0

3 years ago

Twice m decreased by 11

iogann1982 [59]

Answer:

2m - 11

Step-by-step explanation:

twice m = 2m

decreased by 11 = -11

6 0

3 years ago

I’ll give brainliest!

Novay_Z [31]

Answer: -1 3/4

Step-by-step explanation

just add the fractions together :)

(between the -2 and -1 1/2)

5 0

2 years ago

Suppose an ant walks counterclockwise on the unit circle from the point to the endpoint of the radius that forms an angle of rad

serg [7]

Answer:

$\frac{4\pi}{3}$

Step-by-step explanation:

The original questions is suppose an ant walks counterclockwise on a unit circle from the point (1,0) to the endpoint of the radius that forms an angle of 240 degrees with the positive horizontal axis.

To find the distance ant walked we find the arc length of the sector with central angle 240 degree and radius =1 (unit circle)

arc length of a sector = $\frac{centralangle}{360} \cdot 2\pi r$

arc length of a sector = $\frac{240}{360} \cdot 2\pi(1)$

arc length of a sector = $\frac{2}{3} \cdot 2\pi$

$\frac{4\pi}{3}$

6 0

3 years ago

A quality control engineer Is interested in the mean length of sheet insulation being cut automatically by machine. It is known

nydimaria [60]

Answer:

D.2.58

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:

$\alpha = \frac{1 - 0.99}{2} = 0.005$

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 $1 - 0.005 = 0.995$ , so Z = 2.58.

The answer is given by option D.

7 0

3 years ago