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lyudmila [28]
3 years ago
8

Can someone please help?​

Mathematics
2 answers:
Temka [501]3 years ago
7 0

your answer is 9x-6 d its pretty easy

oksian1 [2.3K]3 years ago
3 0

12x - 3(x + 2)

First you must distribute the -3 to the numbers inside the parentheses, which would be x and 2...

12x + (-3*x) + (-3*2)

12x + (-3x) + (-6)

12x - 3x - 6

Combine like terms. This means the numbers with the same variables must be combined. In this case combine 12x and -3x

12x + (-3x) = 9x

D. 9x - 6

Hope this helped!

~Just a girl in love with Shawn Mendes

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A rectangle has a width of 5 cm and a length of 10 cm. If the width is increased by 3, how does the perimeter change?
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Answer:

The new perimeter would be 36cm.

Step-by-step explanation:

The perimeter would change because you add 3 to two sides, because the perimeter originally was 5+5+10+10. Now, it's (5+3)+(5+3)+10+10. Which is 36.

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What are two composite numbers that each have 8 as a factor
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56 and 64 are composite and both have 8 as a factor.
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Beverage A and Beverage B are sold in identical cans. Beverage A is 12% suger. The portion of Beverage B that is suger is 0.3. H
8090 [49]

Answer:

if you convert the sugar in beverage A to the decimal .12 and compare it to beverage Bs .3 you'll find that B has 2.5 times more sugar than A.

Step-by-step explanation:

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Help with 25,27,and 28
dedylja [7]

Answer:

For 25, the answer is C

Step-by-step explanation:

How I got the answer for 25 is:

To find the mean absolute deviation of the data, start by finding the mean of the data set.

How you do this is first you need to find the sum of the data values, (add all the numbers together) and divide the sum by the number of data values.(and divide that number by how many numbers you added together in the first place)

In this case, we'd be adding 44 + 39 + 47 + 38 + 38 + 41 + 40, and that equals 287. Now we'll divide 287 by how many numbers we added together, which is 7 numbers. 287 ÷ 7 = 41. That's the mean of the data set.

Next, we'll find the absolute deviation of the mean. How we do this is, we find how far away all the numbers are from 41.

44 is 3 away from 41

39 is 2 away from 41

47 is 6 away from 41

38 is 3 away from 41

41 is 0 away from 41

40 is 1 away from 41

So now, we add all of the distances together (3, 2, 6, 3, 0, and 1), and that equals 15! Now we do 15 ÷ 6, which is 2.5 and the reason we're dividing by 6 is because we're dividing by the number of distances we added together. Now, if you look on your worksheet, the closest answer to 2.5 is C, (2.6) so I'd chose that as the correct answer. I hope that helped!

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2 years ago
Which answer choice shows the decimal 23.476 written in expanded form?
Sergio039 [100]

Answer: 23.476 = 20+3+0.4+0.07+0.006

Step-by-step explanation:

I think you were supposed to write down the choices but I will guess the answer is this one:

23.476 = 20+3+0.4+0.07+0.006

Hope I helped!

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