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Ghella [55]
3 years ago
6

If you know that 4 times 5 equals 20 how can you use the commutave property of multiplication to find 5 x 4

Mathematics
1 answer:
const2013 [10]3 years ago
8 0
Yes, because you can multiply<span> the numbers. Example: </span>Use commutative property <span>of </span>multiplication<span> to rewrite </span>5 x 4 5 x 4<span> Answer: </span>4<span> x </span>5<span>. </span>
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Alex is mailing an envelope that weighs 0.346 pounds.What is the weight of the envelope rounded to the nearest hundredth
tangare [24]
The hundredth place is the second number on the right side of the decimal place. In this case, it is the 4 in the number you listed above. 

Rounding is simple, once you get the hang of it. :)

To round on the right side of the decimal, you look at the number to the right of the number. If the number to the right of that number is five or over, the number rounds up. But, if it is less than five, the number remains the same. Either way, the number/s to the right of the one you are rounding disappear after you are done.

So let's look at your equation. The number you wish to round up- the hundredths place is the number 4. The  number to the right of the four is a six. Since that is five or over, we round up. So the number would end up being .35 pounds to the nearest hundredth. 

Thanks for the opportunity to answer your question and I hope I helped! If I answered your question, please consider nominating me for the brainliest answer, friending me, or even leaving a comment on my profile! Thank you!! :)
8 0
3 years ago
Nick can do a certain job in 3 hours less than it takes bonnie to do the same job. If they complete the job together in 9 hours,
il63 [147K]

Answer:

Step-by-step explanation:

Let the number of hours Nick does the job alone to be x - 3 hours

Hence, in 1 hour, Nick has done 1/x - 3

Together they complete the job in 9 hours

Hence, let's represent the job as 1

9/x + 9/x - 3 = 1

Multiply through by (x)(x-3)

9(x- 3) + 9(x) = 1

9x - 27 + 9x = (x)(x-3)

-27 = x² - 3x

x² - 3x +27 = 0

4 0
2 years ago
On a map 1/4 inch between locations designs actual distance of 2 miles between locations. What is the actual distance in miles b
vivado [14]

Answer:

4 5/2

Step-by-step explanation:

1/4

x 2 =12/8

12/8

x 33/4 =45/2

the answers are pretty easy to answer but it can be a little bit hard.

7 0
2 years ago
What is the equation of the line shown in this graph
prisoha [69]
Slope = (2+4)/(1-4) = 6/-3 = -2
passing thru (1.2)
y = mx + b
b = y - mx
b = 2 - (-2)(1)
b = 2 + 2
b = 4

equation
y = -2x + 4
7 0
2 years ago
1 Krista has 10 cups of gelatin. If each bowl holds 3 cup, how many bowls can she fill?​
Dafna11 [192]

Answer: Krista can fill 3 1/3 bowls of gelatin.

8 0
3 years ago
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