8sr6 + 2sr2×2×3 +5sr3 - sr2×3×3×3
=8sr6 + 2(2)sr3 + 5sr3 - 3sr2×3
=8sr6 + 4sr3 + 5sr3 - 3sr6
=8sr6 - 3sr6 + 4sr3 +5sr3
=5sr6 + 9sr3 (ans)
Answer:
1. if you are solving using the quadratic formula. the answer is in the first picture.
2. if you are looking to completing the square the answer is in the second picture.
Step-by-step explanation:
Answer:
The answer is below
Step-by-step explanation:
A tangent is a line which touches a circle at one point. The angle between a tangent and a circle is 90°.
The two tangent theorem states that tangent that meet at the same point are equal in length.
Therefore:
CD = c + d
but c = 5.1, hence:
CD = 5.1 + d
12.1 = 5.1 + d
d = 7
AD = a + d; but AD = 12.2, d = 7
12.2 = a + 7
a = 5.2
AB = a + b; but b = 3.3
AB = 5.2 + 3.3 = 8.5
BC = b + c = 3.3 + 5.1 = 8.4
Perimeter of ABCD = AB + BC + CD + AD = 8.5 + 8.4 + 12.1 + 12.2 = 41.2
The cheap answer is, well, all we do is, grab the denominator of one and multiply the other by it, top and bottom, and grab the denominator of the other, and multiply the first one by that one too, that way, both will have the same denominator, and then you can simply check the numerator to see who's larger, let's do so.
![\bf \cfrac{9}{\boxed{10}}\qquad \qquad \cfrac{23}{\boxed{25}} \\\\\\ \cfrac{9\cdot \boxed{25}}{10\cdot \boxed{25}}\implies \cfrac{225}{250}\qquad \qquad \qquad \cfrac{23\boxed{10}}{25\cdot \boxed{10}}\implies \cfrac{230}{250}\\\\ -------------------------------\\\\ \textit{so, which is larger then?}\qquad \cfrac{225}{250}~or~\cfrac{230}{250}?](https://tex.z-dn.net/?f=%5Cbf%20%5Ccfrac%7B9%7D%7B%5Cboxed%7B10%7D%7D%5Cqquad%20%5Cqquad%20%5Ccfrac%7B23%7D%7B%5Cboxed%7B25%7D%7D%0A%5C%5C%5C%5C%5C%5C%0A%5Ccfrac%7B9%5Ccdot%20%5Cboxed%7B25%7D%7D%7B10%5Ccdot%20%5Cboxed%7B25%7D%7D%5Cimplies%20%5Ccfrac%7B225%7D%7B250%7D%5Cqquad%20%5Cqquad%20%5Cqquad%20%5Ccfrac%7B23%5Cboxed%7B10%7D%7D%7B25%5Ccdot%20%5Cboxed%7B10%7D%7D%5Cimplies%20%5Ccfrac%7B230%7D%7B250%7D%5C%5C%5C%5C%0A-------------------------------%5C%5C%5C%5C%0A%5Ctextit%7Bso%2C%20which%20is%20larger%20then%3F%7D%5Cqquad%20%5Ccfrac%7B225%7D%7B250%7D~or~%5Ccfrac%7B230%7D%7B250%7D%3F)
surely you can tell.
Answer:
18-3-12
15-12
3 is the answer
hope this helps
have a good day :)
Step-by-step explanation: