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3 years ago

173 299 181 103 540 81 270 360

Mathematics

1 answer:

Romashka-Z-Leto [24]3 years ago

6 0

Answer:

250.9

Step-by-step explanation:

1) Add all the numbers = 2007

2) Divide by the number of integers present = 2007/8

3) Round to the nearest tenth = 2007/8 = 250.875 = 250.9

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The quotient of 40 and the product of a number and 33

Ymorist [56]

40 divided by 33n. hope it helps!

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3 years ago

Determine the open intervals on which the graph of f(x) = x - 4cos x is concave upward or concave downward

bazaltina [42]

The graph of the function $f(x)$ is

concave upward, when $f''(x)>0;$
concave downward, when $f''(x)$

Find $f''(x):$

$f'(x)=(x-4\cos x)'=1+4\sin x;$

$f''(x)=4\cos x.$

Now:

1. when $4\cos x>0,$ the graph of the function is concave upward and this is for

$x\in \left(-\dfrac{\pi}{2}+2\pi k,\dfrac{\pi}{2}+2\pi k\right), \text{ where } k\in Z.$

2. when $4\cos x$ the graph of the function is concave downward and this is for

$x\in \left(\dfrac{\pi}{2}+2\pi k,\dfrac{3\pi}{2}+2\pi k\right), \text{ where } k\in Z.$

6 0

2 years ago

029494737+8489949494

skelet666 [1.2K]

Answer:

8519444231

I hope this helps!

4 0

2 years ago

Read 2 more answers

11+8q=3q-19 I need help please idk the answer

iren2701 [21]

Answer:

-6

Step-by-step explanation:

1) combine all like terms

(bring 3q to the left and 11 to the right so you can combine the like terms)

(doing that will make 3q negative and 11 negative since your moving them so their sign changes as well)

8q-3q=-19-11

5q=-30

Q=-6

Hope this helps

4 0

3 years ago

The ratio of girls to boys in grade 6 was 3:2 at Lincoln middle school last year. There were 60 kids in grade 6. How many in gra

olasank [31]

Answer:

40 girls 20 boys i think / guess

Step-by-step explanation:

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2 years ago