All categories

3 years ago

Inscribed angles. I need answers asap, thank you!

Mathematics

1 answer:

Amiraneli [1.4K]3 years ago

5 0

Answer:

60°

Step-by-step explanation:

The whole circunference is 360° from a central angle

so from an inscribed angle is 180°

notice that arc ABC + arc ADC make the whole circunference

so the inscribed angles that support those arc together must add to 180°

120°+b=180

b=60

from here we deduce that a cyclic quadrilateral (a quadrilateral that his points are on a circunference) oposite angles add up to 180

You might be interested in

A full glass of water can hold

AleksandrR [38]

Answer:

1/6 of a bottle

Step-by-step explanation:

i looked it up lol

5 0

3 years ago

Can someone please help me with a, b, and c? I don't get it and it's due tomorrow : (

skelet666 [1.2K]

a) Is 7.44 You would do 33.98 - 26.54 (Dish w/ Salt Water - Dish)

b) Is 2.74 You would do 29.28 - 26.54 (Dish w/ dried salt - Dish)

c) Is 4.7 You would do 7.44 - 2.74 ( Mass of salt water - Mass of dried salt)

Let me know if this helped you! Have a wonderful night and good luck tomorrow! You got this! :)

8 0

3 years ago

Help Please

klasskru [66]

Correct answer is A.

$(x^2+4x-3)(2x^2+x+6)
\\=x^2(2x^2+x+6)+4x(2x^2+x+6)-3(2x^2+x+6)
\\=2x^4+x^3+6x^2+8x^3+4x^2+24x-6x^2-3x-18
\\=2x^4+x^3+8x^3+6x^2+4x^2-6x^2+24x-3x-18
\\=2x^4+9x^3+4x^2+21x-18$

6 0

3 years ago

Solve and graph x+3>2

Andrews [41]

figure it out on you own

Step-by-step explanation:

DUMMY

3 0

3 years ago

Read 2 more answers

The arrival time of a professor to her office is uniformly distributed in the interval between 8 and 9 A.M. Find the probability

NeTakaya

Answer:

0.025

Step-by-step explanation:

Given that the arrival time of a professor to her office is uniformly distributed in the interval between 8 and 9 A.M.

If the professor did not arrive till 8.20 he will arrive between 8.21 and 8.40

Hence probability for arriving after 8.20 is 1/40

Prob he arrives at exactly 8.21 is 1/60

To find the probability that professor will arrive in the next minute given that she has not arrived by 8: 20.

= Prob that the professor arrives at 8.21/Prob he has not arrived by 8.20

This is conditional probability and hence

= $P(professor arrives at 8.21)/P(professor arrives after 8.20)\\= \frac{\frac{1}{60} }{\frac{40}{60} } \\=\frac{1}{40} \\=0.025$

7 0

4 years ago

Inscribed angles. I need answers asap, thank you!​

Inscribed angles. I need answers asap, thank you!