Answer:
Y=72
Step-by-step explanation:
First we set up the equation which is (20-2) times 4=Y
Then we solve, 20 minus 2 is risk since it is in the parentheses. 20 minus 2 is 18.
After that 18 times 4 is 72
Y=72
Let n and d represent the numerator and denominator of the fraction.
.. (n +1)/(d +1) = 4/5
.. (n -5)/(d -5) = 1/2
Eliminating fractions from these equations gives
.. 5(n +1) = 4(d +1)
.. 2(n -5) = (d -5)
Subtracting the first equation from 4 times the second gives
.. 4(2(n -5)) -(5(n +1)) = 4(d -5) -(4(d +1))
.. 8n -40 -5n -5 = 4d -20 -4d -4
.. 3n = 21
.. n = 7
.. 2(7 -5) = d -5
.. 9 = d
The fraction is 7/9.
Answer:
In triangle AB, A and B are acute angles so. AC and BC are right angles.
Sin A = 10/13
13 is the hypotenuse side and 10 is the opposite side.
To find cos A.
From pythagorean theorem:
Step-by-step explanation:
Answer:
![y=3x-1](https://tex.z-dn.net/?f=y%3D3x-1)
Step-by-step explanation:
The point slope form of a line is
where
. We write
Convert point slope form to slope intercept form by simplifying and rearranging.
![y-5=3(x-2)\\y-5=3x-6\\y=3x-1](https://tex.z-dn.net/?f=y-5%3D3%28x-2%29%5C%5Cy-5%3D3x-6%5C%5Cy%3D3x-1)
Answer:
d) 54 ft = 1645.92 cm
Step-by-step explanation:
Given : 54 ft.
To find : Approximately how many centimeters are in 54 ft.
Solution : We have given 54 ft.
We know
1 ft = 30.48 cm .
54 ft = 54 * 30.48 cm.
54 ft = 1645.92 cm.
Therefore, d) 54 ft = 1645.92 cm.