3 years ago

I need help guys thanks so much

Mathematics

1 answer:

Nastasia [14]3 years ago

7 0

Answer: A & C

Step-by-step explanation:

$i=\sqrt{-1}$

$\sqrt{-1} *\sqrt{4} =\sqrt{-4}$

You can also simplify the above by taking the -4 out of the radical

It becomes 2 x $\sqrt{-1}$ , which can be simplifed to C

You might be interested in

A farmer owns 70 acres of land. Of the 70 acres, only 65% can be farmed. How many acres are available for farming? acres are ava

denis-greek [22]

45.5 acres of land can be farmed and 24.5 cannot be farmed.

4 0

2 years ago

Is 13t an algebraic expression like does it mean 13 Times T or is it just 13 and a number representing t

spin [16.1K]

Answer:

This is an algebraic expression

Step-by-step explanation:

U won't ever use t to mean multiplication u will use a . Or × or a letter next to a number to symbolise mutiplication

6 0

3 years ago

PLS HELP<br> Find the volume.

bazaltina [42]

Answer:

660

Step-by-step explanation:

V= l×w×h/3

V= 24×11×7.5/3

V=1 980÷3

V= 660

8 0

3 years ago

Albert bought 3 blank tapes for $5.95. Find the cost per tape to the nearest cent.

Brilliant_brown [7]

Answer:

17.85

Step-by-step explanation:

just times 5.95 by 3

4 0

3 years ago

Yay! tysm guys for helping me on this test! i got a 85! :)

irakobra [83]

Answer:

Proud of you!! <3 :)

Step-by-step explanation:

8 0

2 years ago