Why can't a triangle have more than one obtuse angle

Answers

Answer 1

Answer: An "obtuse" angle is an angle that's bigger than 90 degrees.
So two obtuse angles would add up to more than 180 degrees.

But the three angles inside a triangle always add up to exactly 180 degrees.
So two of them can't be obtuse.

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The probability of a particular event occurring is 70%what is the probability that this event does not occur

Answers

Answer:

30%

Step-by-step explanation:

30% plus 70% = 100%, so the answer is 30%

Skipper follows a path along the grid shown, always moving either up orto the right. How many paths from A to C do not pass through B?

Answers

We can use complementary counting. First we can count ALL the ways we can get from A to C. Then we can count the ways we can get from A to C, where we DO pass through B. Then we do the total minus the number of ways we DO pass through B.

Number of TOTAL ways from A to C.
First we can imagine fake, dotted lines around the top left and bottom right "corners" so we can make a complete square.
Once we have this "complete" square with the dotted line corners, we can easily find the number of paths from A to C. It is just $(8!)/(4!*4!)$ = 70. If you don't know how this was derived, just comment.
HOWEVER, of the 70 paths we just counted, 2 of them are not possible using the original picture. Remember those dotted corners we drew? We cannot create paths using those corners; they were just there so we could use a formula. So, we actually have 70-2 = 68 total paths.

Now we find the number of paths from A to C that DO pass through B.
Well, first we have to find the number of paths from A to B and then from B to C. This will guarantee we move through B. From A to B, there is $(4!)/(2!*2!) =6$ ways. From B to C, there is also $(4!)/(2!*2!) =6$ ways. 6*6 = 36

68-36 = 32 FINAL ANSWER

Look at the image given and find UW.

Answers

Answer:

yes

Step-by-step explanation:

lol

sorry i had to do it in order to get some points

The answer for this question is Yes

How far can your brother get if he can travel at 2.5 m/s and in 5 seconds you will discover that his squirt gun had run out of paint

Answers

Answer:

12.5 meters

Step-by-step explanation:

2.5 m/s for 5 seconds is

$2.5*5=12.5$

12.5 m after 5 seconds

George found that he blinked 85 times in 15 minutes. At this rate, how many seconds passed during 51 blinks

Answers

85 / 5 = 15
15 / 5 = 3

15 / 3 = 5
3 / 3 = 1

Therefore, he blinks 5 times a minute.

60 / 5 = 12
5 / 5 = 1

Therefore, he blinks once every 12 seconds.

51 / 1 = 51

51
X 12
= 102
+ 510
= 612

Therefore, 612 seconds passed during 51 blinks.

In a bag there are five red marbles four blue marbles what is the probability of getting a red marble? Write your answer a present

Answers

the probability of picking a red Marble is 5/9

probability of a red marble over a blue marble is 5:9

Other Questions

Solve this problem.Brianna paid $18.89 for a pair of sandals. She bought a pair of hiking boots that cost $12 more than her sandals. How much did Brianna pay for the two pairs of shoes? How can estimation be used to make sure the answer is reasonable? A. Answer: Brianna paid $42.89. Estimation: $19 + $12 = $31 $31 + $12 = $43 Brianna paid about $43 for the shoes. B. Answer: Brianna paid $25.78. Estimation: $19 – $12 = $7 $19 + $7 = $26 Brianna paid about $26 for the shoes. C. Answer: Brianna paid $49.78. Estimation: $19 + $12 = $31 $31 + $19 = $50 Brianna paid about $50 for the shoes.

Help again and again.......

Convert 71/10 to a decimal. Round to the nearest hundreth.

Prove that's the decimal number 9.86 is a rational by finding its fractional form