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sergij07 [2.7K]
3 years ago
5

What is the arc measure of arc ​AB​​ on circle P in degrees?

Mathematics
1 answer:
Nastasia [14]3 years ago
6 0

Answer:

measure of arc ​AB = 74°

Step-by-step explanation:

360 - 286 = 74

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Approximately 32,200 citizens of a country died in automobile accidents in 2012. Express this toll in deaths per day.
Sunny_sXe [5.5K]
There are 365 days in a year. In the question, 32,200 people in one year. 32,200/365= Your answer of the approximate deaths in a day. 
4 0
3 years ago
Find a solution to the following system of equations.
Nina [5.8K]

Answer:

A. \displaystyle (2, 5)

Step-by-step explanation:

Plugging these coordinates into the system of equations will give you these genuine statements:

\displaystyle -10 + 5 = -5 \\ -8 + 10 = 2☑

I am joyous to assist you anytime.

4 0
3 years ago
A Cepheid variable star is a star whose brightness alternately increases and decreases. For a certain star, the interval between
victus00 [196]

Answer:

a) \frac{dB}{dt} = \frac{5\pi}{4.2} \cdot \cos \left(2\pi\cdot \frac{t}{4.2} \right), b) \frac{dB}{dt}\approx 5.595

Step-by-step explanation:

a) The rate of change of the brightness of the Cepheid can be determined by deriving the function in time:

\frac{dB}{dt} = \left(\frac{2\pi}{4.2} \right)\cdot 0.25\cdot \cos (2\pi\cdot \frac{t}{4.2})

\frac{dB}{dt} = \frac{5\pi}{4.2} \cdot \cos \left(2\pi\cdot \frac{t}{4.2} \right)

b) The rate of increase after one day is:

\frac{dB}{dt} = \frac{5\pi}{4.2} \cdot \left(2\pi \cdot \frac{1}{4.2} \right)

\frac{dB}{dt}\approx 5.595

4 0
3 years ago
7. Find DE.<br> 11-25<br> E<br> А<br> 4x + 1<br> D<br> С
Arlecino [84]

Answer:

  • DE = 37

Step-by-step explanation:

AD = DC and BE=EC ⇒

DE = 1/2AB

  • 4x + 1 = 1/2(11x - 25)
  • 2(4x + 1) = 11x - 25
  • 8x + 2 = 11x - 25
  • 11x - 8x = 2 + 25
  • 3x = 27
  • x = 27/3
  • x = 9

DE = 4*9 + 1 = 36 + 1 = 37

3 0
2 years ago
Read 2 more answers
At a school, 40% of the sixth-grade students said that hip-hop is their favorite kind of music. If 100 sixth-grade students pref
Radda [10]

Answer:

We have 250 sixth-grade students are at the school

Step-by-step explanation:

Let the total number of sixth graders be represented as x

Therefore we solve the question nas shown below:

40% of x = 100 sixth grade students that prefer Hip -pop

= 40/100 × x = 100

= 40x /100 = 1000

Cross y

40x = 100 × 100

40x = 10000

x = 10000/40

x = 250 students

Hence, we have 250 sixth-grade students are at the school

3 0
3 years ago
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