WILL BE GIVING BRAINLIEST, 5 STARS, AND THANKS WITHIN AN HOUR.

Mathematics

1 answer:

pantera1 [17]3 years ago

4 0

39.5 i am pretty suree of it :P

You might be interested in

The matrix C=[1,-2_-3,7] was used to encode a phrase to [7,-28,-25,-35,-2_-21,107,90,123,17]. Find C^-1 and use it to decode the

posledela

$C= \left[\begin{array}{cc}1&-2\\-3&7\end{array}\right] \\ C^{-1}= \left[\begin{array}{cc}7&2\\3&1\end{array}\right] \\ \left[\begin{array}{cc}7&2\\3&1\end{array}\right] \times \left[\begin{array}{ccccc}7&-28&-25&-35&-2\\-21&107&90&123&17\end{array}\right] \\ =\left[\begin{array}{ccccc}49-42&-196+214&-175+180&-245+246&-14+34\\21-21&-84+107&-75+90&-105+123&-6+17\end{array}\right] \\ =\left[\begin{array}{ccccc}7&18&5&1&20\\0&23&15&18&11\end{array}\right]$
is the required matrix.

6 0

2 years ago

Can somebody help me?

denis-greek [22]

Carol did not work 1/14 of the days.
1/14*28/1= 28/14=2 days she did not work
Carol worked at the bookstore 1/4 of the days
1/4*28/1= 28/4= 7 days at the bookstore
28-7-2= 19 days that she worked at the restaurant
Final answer: B

6 0

3 years ago

Read 2 more answers

A local store has a puppy that weighs 72 ounces. How many pounds does the puppy weigh, given that 1 pound = 16 ounces?

Katyanochek1 [597]

Weight of a puppy in a local pet store = 72 ounces

Given ,

1 pound = 12 ounces

Then , 72 ounces will be equal to :

= 72 ÷ 12

= 6

Therefore , the weight of the puppy is 6 pounds .