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aev [14]
3 years ago
12

Math problem need help plz

Mathematics
1 answer:
alexira [117]3 years ago
6 0

Answer:

angle LXZ is 121°

Step-by-step explanation:

Since the sum of same side interior angles equals 180 you just subtract the angle you're given from 180 (180°-59°=121°)

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In order to meet ADA (Americans with Disabilities Act) requirements, a wheelchair ramp must have an angle of elevation of no mor
r-ruslan [8.4K]

Check the picture below.

make sure your calculator is in Degree mode.

does it meet the requirements?  well, 3.43 < 4.8.

6 0
3 years ago
Read 2 more answers
What is the value of the sum of all the terms of the geometric series 300, 60, 12, …?
ruslelena [56]
<h3>Answer:   375</h3>

=========================================

Work Shown:

a = 300 = first term

r = 60/300 = 0.2 = common ratio

We multiply each term by 0.2, aka 1/5, to get the next term.

Since -1 < r < 1 is true, we can use the infinite geometric sum formula below

S = a/(1-r)

S = 300/(1-0.2)

S = 300/0.8

S = 375

----------

As a sort of "check", we can add up partial sums like so

  • 300+60 = 360
  • 300+60+12 = 360+12 = 372
  • 300+60+12+2.4 = 372+2.4 = 374.4
  • 300+60+12+2.4+0.48 = 374.4+0.48 = 374.88

and so on. The idea is that each time we add on a new term, we should be getting closer and closer to 375. I put "check" in quotation marks because it's probably not the rigorous of checks possible. But it may give a good idea of what's going on.

----------

Side note: If the common ratio r was either r < -1 or r > 1, then the terms we add on would get larger and larger. This would mean we don't approach a single finite value with the infinite sum.

3 0
3 years ago
Please simplify<br> –z -10y +2 +15y – 2z -10
Sladkaya [172]

Answer:

25y-3z-8

Step-by-step explanation:

happy to help

5 0
2 years ago
Read 2 more answers
PLEASE HELP!!!
viktelen [127]

The answer is 3/5.


\frac{1}{3} *\frac{3}{5} =\frac{3}{15} \\ \\ \frac{3}{15} *\frac{3}{5} =\frac{9}{75}


Continue this pattern and you'll see that it follows this geometric sequence

5 0
3 years ago
Read 2 more answers
Pleaseeee check picture its about finding area of triangle.
Pie

Answer:

13.75 is your answer

Step-by-step explanation:

find area of whole triangle 5.5*7*1/2=19.25

Find area of blank spot 5.5*2*1/2=5.5

Subtract 19.25-5.5=13.75

7 0
2 years ago
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