Please write down and show every step in your work.

Mathematics

1 answer:

Y_Kistochka [10]3 years ago

4 0

Answer:

-2 + 9i

Step-by-step explanation:

Start by performing the multiplication 4i(2i): the end result is -8.

Then we have 6 + 9i - 8.

Combining ilke terms, we get:

-2 + 9i

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A truck weighs 72429 pounds.when rounded to the nearest ten-thousands the truck's weight will be

NARA [144]

72,429 rounded to the nearest ten-thousands is 70,000.

4 0

3 years ago

Becky adds 3/4 gallon of gasoline into her snow thrower's empty fuel tank. She uses 1/4 gallon for the snowstorm on Friday, and

Kaylis [27]

Amount of fuel in the tank before the story begins . . . . . zero.

Total amount poured in . . . . . 3/4 gallon.

Total amount burned:
   on Friday . . . . . 1/4 gallon
   on Sunday . . . . 1/4 gallon
   Total used . . 1/2 gallon .

Amount remaining in the tank on Monday:

   (3/4 gallon in) - (1/2 gallon burned) = 1/4 gallon left.
      ==> NOT empty

The tank would have been empty on Monday IF Becky
had poured in only 1/2 gallon, instead of 3/4 of a gallon
before the first flakes began to fly.

8 0

3 years ago

Write 45/30 in simplest form

RideAnS [48]

Answer:

1 1/2

Step-by-step explanation:

SO first convert into mixed

1 15/30

Now simplify

1 1/2

IF YOU DONT WANT MIX AND LEAVE AS IMPROPER