3 years ago

HELP ME PLEASE I NEED YOU

Mathematics

1 answer:

Leokris [45]3 years ago

4 0

Answer:

Step-by-step explanation:

to find this with your calculator

$\left[\begin{array}{ccc}5&-5&2\\1&5&-6\\1&4&-5\end{array}\right] ^{-1} \left[\begin{array}{ccc}21\\24\\21\end{array}\right]$

it will give you [5 -1 -4]

You might be interested in

19 What is the product of the complex number 2 +

hjlf

Answer:

Step-by-step explanation:

3 0

3 years ago

Two paper drink cups are shaped like cones. The small cone can hold 6 oz of water. The large cone is 4/3 the height and 4/3 the

dolphi86 [110]

The answer you’re looking for is c 4.5 oz

5 0

3 years ago

What is 3x+70=8x-20 show work

Elena-2011 [213]

Answer:

Hi there!

Your answer is:

x= 18

Step-by-step explanation:

3x+70=8x-20

Isolate x on left side

3x+70=8x-20

-8x -8x

-5x +70 = -20

Isolate whole numbers on right side

-5x +70 = -20

-70 -70

-5x = -90

Isolate x by dividing both sides by -5

-5x = -90

/-5

x= 18

6 0

3 years ago

Please help <3 Thanks!!

iVinArrow [24]

what dou you need?????????

7 0

4 years ago

What is the variable of x?

bogdanovich [222]

The variable for x is twenty eight

3 0

3 years ago