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Morgarella [4.7K]
2 years ago
15

Please help me I’m so lost

Mathematics
1 answer:
Finger [1]2 years ago
3 0

Answer:

  40.6 units

Step-by-step explanation:

Arc length is given by the formula ...

  s = rθ

where θ is the measure of the central angle in radians.

There are 2π radians in a circle (360°), so π radians in 180°. That can be used to convert the central angle ADB to radians for use in the formula.

  ∠ADB = 360° -194° = 166°

  ∠ADB = 166° = (166/180)π radians = 83π/90 radians

Then the arc length AB is ...

  length AB = (14)(83π/90) ≈ 40.561 units

The length of arc AB is about 40.6 units.

You might be interested in
Which ordered pair is the y intercept of y=2x^2+3x-3?
rosijanka [135]

Answer:

I think it's A - (0,-3)

Step-by-step explanation:

 x,y

(0,-3)

y-intercept equation for this problem:

y=2x^{2}+3x-3

Break it down to smaller parts:

2(0)^{2} +3(0) = 0

0 - 3 = -3

Rewriting it in a neater way:

=> y = 2(0)^{2} +3(0) -3\\y=-3

Therefore, answer A / the first choice is correct

- have a great day, be safe & healthy -

8 0
3 years ago
Write one digit on each side of 23 to make a four digit multiple of 72. How many different solutions does this problem have?
user100 [1]

Answer:

This problem has two possible solutions.

2232

7236

Step-by-step explanation:

To be divisible by 72, a number has:

To be divisible by both 8 and 9 at the same time.

It is divisible by 8 if it's last two digits are divisible by 4.

It is divisible by 9 it the sum of it's digits is a number divisible by 9.

a23b

3b must be divisible by 4. In the thirties, the numbers that are divisible by 4 are 32 and 36. So b = 2 or b = 6.

a232

2 + 3 + 2 = 7

The higest possible value of a is 9 and the lowest is 1.

Between 8 and 16, only 9 is divisible by 9. So a = 2.

a = 2, b = 2 is one of the solutions.

a236

2 + 3 + 6 = 11

The higest possible value of a is 9 and the lowest is 1.

Between 12 and 20, only 18 is divisible by 9. So we need a = 7

5 0
3 years ago
Somebody help me ASAP
mixer [17]

Answer:

6

Step-by-step explanation:

6.5 lined up to x is 6

4 0
3 years ago
Read 2 more answers
What is the product of 9 radical 5 and 5 radical 10 in simplest radical form?
tatuchka [14]

Answer:

Step-by-step explanation:

(9√5)   (5√10)

The leading interger product is found by multiplying 9 and 5

The leading integer product is 9*5 = 45

The radical product is (√5*10

Factor 10

radical product = √5*2*5

There are 2 fives underneath the radical. Take one out and ignore the other

radical product = 5√2

The 5 now multiplies by 45 and √2 becomes part of the answer

5*45√2

225√2

3 0
2 years ago
PLS HELP!!! Solve for x.
Blizzard [7]
<h3>Solution</h3>

x/6 = (x + 8)/8

8x = 6(x + 8)

8x = 6x + 48

8x - 6x = 48

2x = 48

x = 24

6 0
2 years ago
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