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Cloud [144]
3 years ago
15

Evaluate 2ab if a=5 and, b=8.

Mathematics
1 answer:
Crazy boy [7]3 years ago
5 0

Answer:

80

2(5)(8)

you multiply 2 times 5 = 10

10 times 8 is 80

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An animal shelter spends 5.50 per day to care for each bird and 8.50 per Day to care for each cat and a notice that the shelter
Deffense [45]

Answer:

19 birds

Step-by-step explanation:

First, I wrote my two equations:

5.5x +8.5y = 291.5

x + y = 41

Next, I got the variable y by itself in the second equation. Subtract x to get y = -x + 41. Then, I substituted what y equaled into the first equation. It should look like this: 5.5x + 8.5(-x+41) = 291.5. Distribute 8.5 to get 5.5x -8.5x + 348.5 = 291.5. Subtract 5.5x and 8.5x to get -3x. It should look like this: -3x + 348.5= 291.5. Subtract 348.5 from 291.5 to get -57. Now, you should have -3x = -57. Divide -3 from both sides, to get x = 19. So, there are 19 birds. If you want to go even further, 41-19= 22, which means there are 22 cats. Hope this helped!

6 0
3 years ago
mr hill has 27 students in his class and mr chang has 24 students in his class.both classes will be divided into equal sized tea
Svetlanka [38]

Answer:

mr hill: 9

mr chang: 12

Step-by-step explanation:

mr hill can have 3 teams of 9 and

mr chang can have 2 teams of 12

5 0
3 years ago
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Find the mean of the data set if necessary round to the nearest tenth 16, 12, 8, 22, 25, 8
Taya2010 [7]

15.2

16 + 12 + 8 +  22 +  25 +  8 = 91 / 6 = 15.16 = 15.2

4 0
3 years ago
How many U.S. quarts are contained in 12 L?
Marina CMI [18]
In 1 US Quarts, there are 0.946353 Liters.
In 1 Liter, it is equal to 1.05669 Quarts

If there are 12 L, multiply it 1.05669 Quarts.
So the answer is 12.6803. Letter C.
5 0
3 years ago
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Prove segment BD = segment CA
Nostrana [21]

Answer:

it is equal because in a rectangle there is a property: opposite sides are equal so BD=CA

Step-by-step explanation: PLS MARK BRAINLIEST

4 0
3 years ago
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