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Fynjy0 [20]
3 years ago
11

Which expressions are equivalent?

Mathematics
2 answers:
shusha [124]3 years ago
5 0
3(a-b) and 3a-3b. Equivalent

2a(2+b) and 4ab. Not equivalent
kirza4 [7]3 years ago
4 0

Answer:

3(a-b) and 3a-3b. Equivalent

2a(2+b) and 4ab. Not equivalent

Step-by-step explanation:

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Kalynn plans to cut an 8 foot sandwich into pieces that are 1/2 foot long. How many pieces of the sandwich will she have after i
Kazeer [188]

Answer: 16

You divide 8 by 1/2 and you get 16 pieces

3 0
3 years ago
Melinda and Marcus each have a job. Melinda earns $12 an hour. She also receives a $75 weekly bonus.
Olenka [21]
According to given information,
Equation of Melinda Earning = 75 + 12x
Equation of Marcus Earning = 15x
Where, x = Number of hours they worked.

Now, we need to calculate when they will have same amount of money, so for that instance they shall equal to each other.
75 + 12x = 15x
15x - 12x = 75
3x = 75
x = 75/3
x = 25

After 25 hours, they will have the money = 15(25) = $375

So, your final answer is $375

Hope this helps!

8 0
3 years ago
Read 2 more answers
Ramonita measured the height of a tree to be 11 feet. One month later, she measured the tree to be 11.75 feet tall. Two months a
DedPeter [7]
Hi.

To formally answer your question:

D. y = 0.75<em>x</em> + 11

We can prove this by substituting <em>x</em> with 1 (the initial measurement)

y = 0.75(1) + 11 = 11.75

~
3 0
3 years ago
How do you compare and contrast decimals, fractions, and percents
Alisiya [41]
You would have to make them all one form that is the same, for example if you wanted to find out if 80%, 0.75, 1/2 are the same you would have to change them into the same form. If you wanted to make them all decimals it would be 0.08, 0.75, 0.5, if you wanted to make them all percents it would be 80%, 75%, 50%, you wanted them all of be a fraction it would be 4/5, 3/4, and 1/2. I hope explained this well and this helped :)
-Madi
6 0
3 years ago
The mass of a tiger at a zoo is 235 kilograms. Randy's cat has a mass of 5,000 grams. How many times greater is the mass of tige
ANTONII [103]
Solutions 

We know that <span>the mass of a tiger at a zoo is 235 kilograms. Randy's cat has a mass of 5,000 grams. To solve the problem we have to convert 235 kilograms into grams. 

</span>235 kilograms = 235000 grams 

<span>Randy's cat has a mass of 5,000 grams 
</span>
Randy's cat = <span>5,000 grams 
</span>
Tiger = <span>235000 grams  
</span>
Our next step is to subtract 5000 from <span>235000 grams  
</span>
235000 grams  - <span>5000 grams = 230000 
</span>
Answer = <span>230000  grams </span>

6 0
2 years ago
Read 2 more answers
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