2 years ago

Im so lost and confused

Mathematics

2 answers:

Katen [24]2 years ago

7 0

Evaluating determinants. Attached solution.

soldier1979 [14.2K]2 years ago

6 0

2x2 matrix are as follows. -2*3= -6 - (5*4)
5*4=20 so problem is -6-20= -26

You might be interested in

in a hotel ,100 bulbs each of 60W are lightened for 6 hours a day and 40 fans each of 50Wvate run for 10 hours a day . calculate

alekssr [168]

Answer:

1680 kwhr

Step-by-step explanation:

See attached for explanation. I converted watt*hr to kW*hr by dividing by 1000.

Fans Bulbs

40 100

50 60 W

10 6 hours/day

20000 36000 W*hr/day

30 30 days/month

600000 1080000 W*hr/month

600 1080 kWhr/month

Total = 1680 kWhr/month

5 0

2 years ago

What is the area of the rectangle

NISA [10]

Answer:

E. 54cm ^2

Step-by-step explanation:

when finding the area just multiply length over width .for example 9 is the length times it to the width 6 you get 54 so the area will be 54 cm

4 0

2 years ago

Read 2 more answers

Subtract. 5/9-(3 1/3) Enter your answer, as a mixed number in simplest form, in the box.

Vaselesa [24]

Answer:

$-2\frac{7}{9}$

Step-by-step explanation:

$\frac{5}{9} - 3\frac{1}{3} = \frac{5}{9} - \frac{10}{3} = \frac{5}{9} - \frac{30}{9} = -\frac{25}{9} = -2\frac{7}{9}$

I am joyous to assist you anytime.

3 0

3 years ago

What are these questions

Anna007 [38]

Answer:

Step-by-step explanation:

Fractions

7 0

2 years ago

Should you use Sine, Cosine, or Tangent to solve the following problem

Tems11 [23]

Answer:

we can use any of them...

5 0

2 years ago

Read 2 more answers