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timurjin [86]
3 years ago
12

How do I do this, I really need help to understand

Mathematics
1 answer:
Serggg [28]3 years ago
3 0
Which questions do you need help with?
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Find the length of AB
Lady_Fox [76]

Hey there! :)

Answer:

arc AB = 2.5π in (in terms of pi) or ≈7.85 in. (pi = 3.14)

Step-by-step explanation:

Begin by finding the circumference of the circle. Use the formula:

C = 2rπ

C = 2(9)π

C = 18π.

Since ∠AQB equals 50°, set up a ratio to find the length of arc AB:

\frac{50}{360}  = \frac{x}{18\pi }

Cross multiply:

50 · 18π = 360x

900π = 360x

Divide both sides by 360:

x = 2.5π in, or ≈7.85 in.

5 0
4 years ago
What is 15 mins before 5:30
Semenov [28]

Answer:

5:15

Step-by-step explanation:

5:30 - 15

3 0
4 years ago
Read 2 more answers
18+8x=-x-3(1+4x) what’s the answer
vredina [299]

Answer:

x=-21/19

Step-by-step explanation:

Given -> 18+8x=x-3(1+4x)

Distributive Property -> 18+8x=x-3-12x

Combine like terms on right side -> 18+8x=-11x-3

Subtract 8x from both sides -> 18=-19x-3

Add 3 to both sides -> 21=-19x

Divide both sides by -19 -> x=-21/19

3 0
4 years ago
PLS ANSWER. The questions is attached. Dont' put like I dont' know the answer if u don't know don't answer pls.
jekas [21]

Answer:

x = 2.4

Step-by-step explanation:

see image for explanation.

Hope it helps

8 0
2 years ago
Can you graph these inequalities?<br>y&lt;-×-2 and y&lt;1/3×+2​
Ierofanga [76]
(Shisiwjwjwiqllqlwle) This is y<-x-2

7 0
3 years ago
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