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kramer
3 years ago
6

Find the length of leg a in a right triangle with leg b= 4 and hypotenuse C =5

Mathematics
1 answer:
Korolek [52]3 years ago
8 0

Answer:

Leg A = 3

Step-by-step explanation:

You use the equation A squared plus B squared equals C squared. Then, you substitute the value that you have, so the equation would be a squared plus 3 squared equals 5 squared. Next, you square the two values to make the equation a squared plus 16 equals 25. After that, you subtract one of the values (which in case is 16) on both that leg value and the hypotenuse, so you are left with A squared equals 9. Finally, you square both 9 and A squared and you are left with A = 3. I hope that helps you understand it clearly!

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Suppose a geometric sequence has a common ratio of 5. What is the next term after 9?
creativ13 [48]

Answer:

<h2>            45</h2>

Step-by-step explanation:

a_{n+1}=a_n\cdot r

So, if the common ratio is 5 the next term is always 5 times the previous term.

<h3>9·5 = 45</h3>
8 0
3 years ago
The figure below shows a shaded region and a non-shaded region. Angles in the figure that appear to be right angles are right an
Naddika [18.5K]

Answer:

the shaded area is 26, the non-shaded area 16

Step-by-step explanation:

The red shaded lines had numbers as well so I add all of them up.

The non-shaded lines didn't have a number, but the bottom had the same length of the top line so therefore your answer is 26 for Shaded, and 16 for non-shaded.

3 0
2 years ago
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Calculate the length of AC to one decimal place in the trapezium below.
a_sh-v [17]

Answer:

First we will split trapezium on two geometric figure.

One is rectangle and the second is right triangle.

When we subtract 11-4=7cm  we get one cathetus of the right triangle a=7cm also we know hypotenuse which is c=16cm.

We will use Pythagorean theorem to find the second cathetus b

b=√16∧2-7∧2= √256-49= √207 ≈ 14.39cm =DC =>

AC =√(DC)∧2+(AD)∧2= √14.39∧2+11∧2= √207+121= √328= 18.1cm

AC=18.1cm

Good luck!!

7 0
3 years ago
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erastovalidia [21]

Answer:

The price: 16.5

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=> The amount of tax: 18.82-16.5 = 2.32

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Ummm is this a full question?
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3 years ago
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