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Juli2301 [7.4K]
3 years ago
15

I NEED HELP AP STATS THANK YOU!!

Mathematics
1 answer:
artcher [175]3 years ago
6 0

Answer:

it is true :)

Step-by-step explanation:

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An internet search engine looks for a keyword in 9 databases, searching them in a random
atroni [7]
Here you go! I hope I can get brainliest!

8 0
3 years ago
Emergency! I don't get this really well. Please help!<br><br>-(8-2n)=8-2(12-3n)
Naddik [55]

Answer:

n = 2

Step-by-step explanation:

2n - 8 = -2 (-3n + 12) + 8

2n - 8 = -(-6n + 24) + 8

2n - 8 = 6n - 24 + 8

2n - 8 = 6n - 16

-4n = -8

Divide each side by 4

n = 2

3 0
3 years ago
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PLZ HURRY How many solutions does this system have? y = 3 x minus 5. y = negative x + 4.
Anarel [89]

Answer:

one is correct.

Step-by-step explanation:

because it have one solution when you graph it

4 0
3 years ago
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I need a little help here !
Eduardwww [97]
It is a knowledge check
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4 0
3 years ago
How do I complete this question on arc length?
tresset_1 [31]

Answer:

v ≈ 8.5 km/h

Step-by-step explanation:

Since the diameter of the wheel is 3 m the radius will be r = 1.5 m.

Use the radius of the water wheel to find it's circumference C:

C=2\pi r                                               [set r = 1.5 m]

⇒ C=2\pi (1.5)

⇒ C=3\pi m

One revolution of the water wheel corresponds to 3\pi meters so the angular velocity 15 rmp (revolutions per minute) corresponds to:

15(3\pi ) = 45\pi m/min

Using this result, the speed of the river in kilometers per hour will be:

v=\frac{45\pi m }{1 min} ×  \frac{1 km}{1000 m} × \frac{60 min}{1 h}

⇒ v=8.48230016469  km/h

⇒ v ≈ 8.5 km/h

5 0
2 years ago
Read 2 more answers
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