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Oksanka [162]
2 years ago
5

∆ABC is isosceles, AB = BC, and CH is an altitude. How long is AC, if CH = 84 cm and m∠HBC = m∠BAC +m∠BCH?

Mathematics
1 answer:
son4ous [18]2 years ago
3 0
I think I could help you
Have fun and feel free to ask me something new.
Or we can prove some properities without calculating by details

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Which expression represents the distance, in miles, between Paige's house and Diego's house?
lana [24]
Distance between <span>Paige's house and Diego's house 
=
|3 - (-8)| = |11| = 11 miles

answer
</span>|3 - (-8)|
4 0
3 years ago
Ryan is rowing a small boat out to and back from an island 20 miles away at a rate of
Misha Larkins [42]

Answer:

The speed with which Ryan was rowing was 4 mph

Step-by-step explanation:

With a small boat, Ryan wants to row towards an island and come back at a speed of x mph and the island is 20 miles away from him.  

Therefore, total 20 + 20 = 40 miles he rowed for 5 hours.

On the way to the island, there was a wind of 4 mph in the direction of his motion and on the way back also there was a wind of 4 mph in the direction of his motion.

So, in the total journey, he has a speed of (x + 4) mph.

Therefore, \frac{40}{5} = x + 4

⇒ x + 4 = 8

⇒ x = 4 mph.

Therefore, the speed with which Ryan was rowing was 4 mph. (Answer)

4 0
2 years ago
George jogged a total distance of 9 and 1 over 2 miles during the months of October and November. If George only jogged 1 over 4
antiseptic1488 [7]

Hello,

Question:

George jogged a total distance of 9 and 1 over 2 miles during the months of October and November. If George only jogged 1 over 4 mile every day, which expression shows the number of days in which he went jogging?

We know:

He jogged 9 1/2 miles during October and November

1/4 mile every day

Answer:

9 and 1 over 2 divided by 1 over 4


6 0
2 years ago
Read 2 more answers
The ratio of boys to girls in a class is 3:2. If there are 36 boys then how many girls are in the class
Mama L [17]

Answer:

They are 12 girls in class

Step-by-step explanation:

7 0
3 years ago
F (1) = -16. f(n)=-29-f(n-1) f2=
Simora [160]

Step-by-step explanation:

f(n) = - 29 - f( n - 1 )

f(1) = - 16

Now

f(2) = - 29 - f ( 2 - 1 )

= - 29 - f ( 1)

= -29 - ( - 16)

= - 29 + 16

= - 13

3 0
3 years ago
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