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sattari [20]
3 years ago
9

Please help I already know it’s not d

Mathematics
2 answers:
frozen [14]3 years ago
8 0

Answer:

b

Step-by-step explanation:

statuscvo [17]3 years ago
8 0

Answer:

B

Step-by-step explanation:

Left side goes to more than one on the right side

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+23-(-20)=43<br> how is that so?<br>Explanation included​
valina [46]

Answer:

Well, when adding and subtracting negatives

You can change the symbol and positive or negative of the second number like

2 + (-1) is equal to 2 - 1

So

23 + 20 = 43

Therefore, 23 -(-23) = 43 because when you take away a debt you add to your balance.

7 0
3 years ago
Please helppppp it’s due soon and I’m already failing my class!!!
Margarita [4]

Answer:

For an equation like:

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For the case of the problem, we know that the equation represents the amount of oxygen in the spaceship as a function of time. Where as the time passes, the quantity of oxygen decreases.

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3 years ago
The area of a rectangular wall of a barn is 40 square feet. Its length is 6 feet longer than the width. Find the length and widt
Serjik [45]
Length is 10 and width is 4
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3 years ago
Samuel has a collection of toy cars. his favorites are the 272727 red ones which make up 60\%60%60, percent of his collection.ho
jeka57 [31]
60% = 27
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Samuel has 45 cars.
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