2 years ago

4x-3 (x-2y) + 1/2 (6x-8y)

Mathematics

2 answers:

Contact [7]2 years ago

8 0

4x + 2y ughh this answer has to be 20 letters long

Neporo4naja [7]2 years ago

6 0

4x+2y i hope that helps :3

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Amy is planning the seating arrangement for her wedding reception. Each round table can sit 12 guests. The head table can sit th

storchak [24]

Answer:

23 tables.

Step-by-step explanation:

282- 8 = 274 274 divided by 12 = 22.8 round to the nearest whole number which is 23.

7 0

3 years ago

Find the standard deviation for the group of data items 4, 4, 4, 4, 6, 8 The standard deviation is (Simplify your answer. Round

marysya [2.9K]

Answer: 1.53

Step-by-step explanation:

The given data : 4, 4, 4, 4, 6, 8

Number of data values : n= 6

The mean value of the given data will be :-

$\overline{x}=\dfrac{\sum_{i=1}^{6}x_i}{n}\\\\\Rightarrow\ \overline{x}=\dfrac{30}{6}=5$

The formula to find standard deviation:_

$\sqrt{\dfrac{\sum(x-\overline{x})^2}{n}]$

Now,

$\sum_{i=1}^{6}(x_i-\overline{x})^2=(-1)^2+(-1)^2+(-1)^2+(-1)^2+(1)^2+(3)^2\\\\=1+1+1+1+1+9=14$

The standard deviation will be :-

$\sigma=\sqrt{\dfrac{14}{6}}\approx1.53$

5 0

3 years ago

Join my ka.hoot<br> code - 7009251<br><br> put some funny name make me laugh

Paraphin [41]

Answer:

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Step-by-step explanation:

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2 years ago

Estimate the product 5.25 × 8.89.

Anon25 [30]

Answer:

47.25

Step-by-step explanation:

8.89 is about 9.

So, we have 9(5.25)=9(5)+9(0.25)=45+2.25=47.25

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1 year ago

Attachment is shown in the bottom

Leokris [45]

Answer: She is correct because each ratio is equivalent to 5:1, except for the last one, which is 1:5

5/1 = 5:1

10/2 = 5:1

25/5 = 5:1

10/50 = 1:5

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3 years ago