3 years ago

Find the sum of the three expressions and choose the correct answer.

Mathematics

2 answers:

riadik2000 [5.3K]3 years ago

7 0

Answer:

Sum of -8a³b+3a²b²-5,2+5a²b² and 3a³b+7-9a²b² is:

-5a³b-a²b²+4

Step-by-step explanation:

We have to find the sum of:

-8a³b+3a²b²-5,2+5a²b² and 3a³b+7-9a²b²

-8a³b+3a²b²-5+2+5a²b²+3a³b+7-9a²b²

= -5a³b-a²b²+4

Hence, sum of -8a³b+3a²b²-5,2+5a²b² and 3a³b+7-9a²b² is:

-5a³b-a²b²+4

cupoosta [38]3 years ago

6 0

-8a^3 b + 3a^2 b^2 - 5 + 2 + 5a^2 b^2 + 3a^3 b + 7 - 9a^2 b^2
= -5a^3 b - a^2 b^2 + 4

answer is

C.) -5a3b - a2b2 + 4

You might be interested in

I'll give 30 points and brianlist

Sedaia [141]

Answer:

80,10,66

Step-by-step explanation:

Hope this helps :)

6 0

3 years ago

Help needed!

Jet001 [13]

Answer:

15 inches

Step-by-step explanation:

The ratio of sides in 30º-60º-90º triangle is:

a : b : c = 1 : √3 : 2

If a is 5√3, the length of b is:

b = a√3 = 5√3 *√3 = 5*3 = 15

7 0

2 years ago

A set of data has a sample mean of 65.4 and a standard deviation of 1.2. If the sample size is 45. what is the 99% confidence in

bagirrra123 [75]

67.55 is the correct answe bec I add

6 0

3 years ago

Original price is 150 new price 189 what is the percent

viktelen [127]

Answer:

The percent is 26%

Step-by-step explanation:

189 divided by 150 is 1.26 but since the original price is $150 the percent is 100% and 189 is 126% so the percent difference is 26%.

4 0

3 years ago

At the beginning of the year agent savings account balance was $28. Each week he deposits another $15 into that account and it d

igomit [66]

Account balance is not proportional to the number of weeks.

4 0

3 years ago