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lyudmila [28]
2 years ago
5

Question 9 I really need some help on this one

Mathematics
1 answer:
irinina [24]2 years ago
5 0
Question 9 is A, and question 10 is 10^5.
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If 3/10 was spent warming up and cooling down how many minutes was it
777dan777 [17]
18 minutes
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4 0
3 years ago
(01.02 MC)Which of the following expressions shows how to rewrite 4 − 5 using the additive inverse and displays the expression c
n200080 [17]

Answer:

I think the answer is 1. The expression 4 plus negative 5 is written on top. A number line from negative 10 to positive 10 is shown, with numbers labeled at intervals of 1. An arrow is shown from point 0 to 4. Another arrow points from 4 to negative. So the answer is A

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4 0
3 years ago
How to model 4÷2/3??
stealth61 [152]

Answer:

We have 4 x ( 3 / 2 ) = 12 / 2 = 6;

Step-by-step explanation:

4 0
3 years ago
What expression is equivalent to 486-9+6+3^*2
sattari [20]

Answer:

The expression equivalent to 486-9+6+3^*2 is 500-7+6+5^*2

Step-by-step explanation:

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486-9+6+9 = 500-7+6+25

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462 = 462

4 0
3 years ago
If 2 1/4 pounds of bananas cost $1.89, what is the cost per pound?
Svetach [21]

Answer:

The cost per pound of bananas is $0.84.

Step-by-step explanation:

The question asks to use the given information to set up a proportion and solve for the missing variable.  In this case, we know that the cost of 2 1/4 (or 2.25) bananas is $1.89.  Since they are asking for cost per pound, we can set up a ratio (fraction):

\frac{1.89}{2.25}=\frac{cost}{pounds}

Since the cost of bananas is the same regardless of the number of pounds, we can set up a proportion to find the cost for just one (1) pound:

\frac{1.89}{2.25}=\frac{x}{1}  Where 'x' is the cost.

Using cross-multiplication and division we get:  2.25x = 1.89.  Next, we use inverse operations to divide both sides by 2.25:  2.25x/2.25 = 1.89/2.25.  Solve:  x = 0.84 or $0.84 per pound.  

6 0
3 years ago
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