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Karolina [17]
3 years ago
9

Pls answer

Mathematics
1 answer:
Stels [109]3 years ago
5 0

Answer:

b-2=n

Step-by-step explanation:

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How do I do these? I don’t understand how my teacher is teaching it so can someone explain
Mamont248 [21]

Here's some guidelines to help you:

For 1, 4, 5, and 6, they are 30-60-90 triangles. What's that you may ask? Well, it means that the sides have a predetermined length when one side is given. In #1 for example, you have a side of 11sqrt3, this means that "n" is 11 because in a 30-60-90 triangle, the longer side is the sqrt3 times the length of the shorter side. So to get the shorter side, we divide by sqrt3 to get 11. "m", or the hypotenuse, can be determined by taking twice the length of the shorter side. Since we figured out earlier that the shorter side is 11, 11 times 2 is 22. So the answer for #1 is n=11, m=22.

For 2 and 3, they are 45-45-90 triangles, triangles where the two lengths are the same and the hypotenuse is either leg length times sqrt2. In problem #2 for example, "y" must be 17 because one leg length is 17. "x", or the hypotenuse, is equal to 17sqrt(2) because 17 times sqrt(2).

You can apply all these rules to the other 4 problems I didn't explain.

Hope this long explanation clears your doubts!

5 0
3 years ago
What is 100 divided by 5, (the answer) x 3 (the answer) x 79 (the answer) - 4
Pie

Answer:

4736

Step-by-step explanation:

1) 100 divided by 5 is 20

2) 20 times 3 is 60

3) 60 times 79 is 4740

4) 4740 subtract from 4 is 4736

5) Answer is 4736

4 0
3 years ago
Read 2 more answers
12÷4×32+(4−2)5
Taya2010 [7]
Hsyshshshbshsbsbbajshshsjwjwnw
7 0
3 years ago
Thirty- five out of sixty students preferred to eat their lunch at school rather going home in lunch break. Express the numbers
IceJOKER [234]

Answer:

0.583

Step-by-step explanation:

Use a caluclator

6 0
3 years ago
6 4/5 - 2 1/5 is what?
pogonyaev
6-2=4     whole number
4/5-1/5=3/5 fraction
  put the fraction and whole number toger and you'll get
since the denominator is the same it's easier to subract

4 3/5    <--- answer
3 0
3 years ago
Read 2 more answers
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