Pls help!!! 30 points

Mathematics

2 answers:

Maru [420]3 years ago

7 0

Answer:

D. 2.4x -4.4

Step-by-step explanation:

0.3(4x-8)-0.5(-2.4x+4)

1.2x-2.4-0.5(-2.4x+4)

1.2x-2.4+1.2x-2

2.4x-4.4

ikadub [295]3 years ago

6 0

Answer:

2.4x-4.4

Step-by-step explanation:

0.3(4x-8)-0.5(-2.4x+4)

1.2x-2.4+1.2x-2

2.4x-4.4

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NEED HELP WITH THIS ASAP!!

Len [333]

It would be the third one

8 0

3 years ago

Find the area of a parallelogram if a base and corresponding altitude have the indicated lengths.

Vitek1552 [10]

The answer is 3/4 ft² = 0.75 ft²

The area (A) of the parallelogram with altitude a and base b is:
A = a * b

We have:
A = ?
a = 6 in
Since 1 inch is 0.083 feett, then 6 inches is
a = 6 * 0.083 ft = 0.498 ft ≈ 0.5 ft = 1/2 ft
b = 1 1/2 ft = 1 + 1/2 ft = 2/2 + 1/2 ft = 3/2 ft
_______
A = a * b
a = 1/2 ft
b = 3/2 ft
A = 1/2 * 3/2 = 3/4 ft² = 0.75 ft²

4 0

3 years ago

which expression represents purely real numbers and which expression represents non-real complex number?

Lyrx [107]

Answer:

Step-by-step explanation:

Complex numbers are the numbers represented by the expression = a + bi

Here a = real part of the number

bi = imaginary part

a and b are the real numbers.

$i^9=(i^2)^4.(i)$