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mrs_skeptik [129]
2 years ago
6

What is 2A- 3B, if A = 12-13].and-[ -4 -2]

Mathematics
2 answers:
Liono4ka [1.6K]2 years ago
7 0

Answer:

0

Step-by-step explanation:

777dan777 [17]2 years ago
5 0

Answer:

B.

Step-by-step explanation:

2A-3B

2 multiplied by 'A' and 3 multiplied by 'B'

You will get

2A- 12 6

2 10

3B- 9 3

-12 -6

you will then have to subtract the two matrices and you will get

- 3 3

14 16 which is the second answer.

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Zhang Lei spent $20.00 during his last outing at the bowling alley. This included a one time shoe rental fee of $3.50. He spent
Afina-wow [57]

Answer: The cost per game is $5.5

Step-by-step explanation:

Zhang Lei spent $20.00 during his last outing at the bowling alley. There is a one time shoe rental fee of $3.50. He spent the rest of the money on bowling a number of games.

This means that amount paid for x number of games = 20 - 3.5 = $16.5

If it took Zhang Lei 45 minutes to bowl each game and he spent 2 hours and 15 minutes bowling, total time spent in minutes is 120+ 15 = 135 minutes. Therefore, the number of games is played is 135/45 = 3

If the total number of games played cost 16.5, therefore, the cost per game will be 16.5/3 = $5.5

4 0
3 years ago
A train travels at a constant speed for a long distance. Compete the two statements that describe the constants of proportionali
ohaa [14]

Answer:

1. 45

2. 0.75

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
A triangle has angles that measure 46 and 84<br><br> what is the third angle?
pentagon [3]
The measure of the third angle is 50 because a triangle has a sum of 180 degrees by angle.

so... 46+84=130 and to get to 180, the last angle has to be worth 50.
5 0
3 years ago
What is the answer of this questoin 2c-3b+6+7b-2b+11?​
Katena32 [7]

Answer:

2c+2b+17

Step-by-step explanation:

-----------------------

Given:

2c-3b+6+7b-2b+11

---------->>>>

Collect like terms.

2c+(-3b+7b-2b)+(6+11)

---------->>>>

Simplify

2c+2b+17

------------------------

Hope this is helpful.

7 0
2 years ago
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