Hi,

The answer would be 300 messages. To explain, there are 60 seconds in a minute so 120 divided by 60 is 2, so that means 2 words per second. So to get the answer for 150 seconds, you multiply 150 by 2 and get 300.

I hope this helps!

7 0

3 years ago

Area of the plane figure

Viefleur [7K]

Answer:

Area = 16.8 * 7 / 2 = 58.8 ft2

Step-by-step explanation:

Have

18.2^2 = 7^2 + a^2

-> a^2 = 18.2^2 - 7^2

-> a^2 = 282.24

-> a = 16.8

Area = 16.8 * 7 / 2 = 58.8 ft2

3 0

3 years ago

Simplify the expression to a polynomial in standard form:<br> (3x – 10)(x2+ 2x - 1 )

KonstantinChe [14]

Answer:

3 x ^3 − 4 x ^2 − 23 x + 10

Step-by-step explanation:

hope this helps!

3 0

2 years ago