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hoa [83]
2 years ago
15

Simplify the algebraic expression: 5 + 3(2y - 4) - 11y

Mathematics
2 answers:
dusya [7]2 years ago
6 0

Answer:

-5y -7

Step-by-step explanation:

expand: 3(2y-4):   6y-12 = 5+6y-12-11y        

simplify: 5+6y -12-11y:      -5y-7

answer: -5y-7

Iteru [2.4K]2 years ago
3 0

5 + 6  − 1 2 − 1 1  -11y 5+6y−12−11y − 7 + 6  − 1 1  

− 7 + 6  − 1 1   −7+6y−11y − 7 − 5  

− 7 − 5  −7−5y − 5  − 7

Solution: −5y−7

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When x =8, y = 20. Find y when x = 42
nadya68 [22]
X/y
- 8/20=42/y
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7 0
3 years ago
Zoe counts 5 times as many black kittens as white kittens for sale at the pet store. she counts a total of 25 kittens how many m
malfutka [58]

Let us say that:

a = black kittens

b = white kittens

 

We know that:

a = 5 b

a + b = 25

 

Therefore:

5 b + b = 25

6 b = 25

b = 4.17

But we cannot have a fraction value for the number of kittens, so round off:

b = 4

 

So a is:

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<span>Hence Zoe counts additional 1 black kitten.</span>

3 0
2 years ago
Use an associative property to write an equivalent expression
Angelina_Jolie [31]

Answer:

6y+3xy

Step-by-step explanation:

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3 0
3 years ago
What is the CORRECT answer to this question???
MrMuchimi
Hello!
The most logical equation would be b)
Hope it helps, have a nice day!

4 0
3 years ago
Read 2 more answers
Find the area of a circle with radius, <br> r<br> = 5.99m.<br> Give your answer rounded to 2 DP.
GalinKa [24]

Answer: 112.72

Step-by-step explanation: We know that the formula for area of a circle is pi*r^2. Now we plug in the values. pi*5.99^2. Next we get rid of the exponent. 5.99*5.99 = 35.8801. Now we have pi*35.8801. Now if you are gonna use actual pi for this your answer would be 112.72065857. Round it to 2 decimal points and you have 112.72 . If you do 35.8801*3.14=112.663514 -> Round this and you have 112.66. So any of them would actually work but I would stick with 112.72.

3 0
2 years ago
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