2 years ago

20 POINTS! Please help me!

Mathematics

1 answer:

rosijanka [135]2 years ago

6 0

Answer:

s2 = 19 a=19 u1= 19√2 (26.87) u2= 19√2 (26.87)

Step-by-step explanation:

s2 - subtrace s1 from h to get 19

a - use the geometric mean of s1 and s2 (squre root of 19 times 19)

u1 and u2 - pythagorean thm

You might be interested in

6/7k=6 i really need help

crimeas [40]

So k=1000 like 4k=4 000 so 6/7 of a thousnad =0.857142857 so times 6=0.857142857

4 0

3 years ago

Read 2 more answers

Hey can someone please help, i dont know how to do this

yKpoI14uk [10]

Use the tenth’s theory and herons theory u will get it

6 0

2 years ago

Im really bad at math

densk [106]

Answer:

2.5

Step-by-step explanation:

3 0

3 years ago

90 juniors took different SAT-II tests. 40% more students took the Chemistry test than took the History test, and 50% more stude

erastovalidia [21]

Answer:

Step-by-step explanation:

4.5x=90

x=20 history

28 chemistry

42 math

They add to 90.

History test=x

Chemistry test=1.4x

Math test=(1.5)(1.4)=2.1x

They add to 90

4 0

2 years ago

A wall is 20 inches thick. 6 inches is concrete, 9 inches is brick, and 5 inches is limestone. What fraction of the wall is c

Citrus2011 [14]

Answer:

30%

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers