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natita [175]
3 years ago
7

Simplify, using the distributive property and then combining like terms. 2(x+y)+(2x−2y)

Mathematics
1 answer:
Tamiku [17]3 years ago
8 0

Answer:

4x

Step-by-step explanation:

2(x + y) + (2x - 2y) \\  = 2x + 2y + 2x - 2y \\  = 2x + 2x + 2y - 2y \\  = 4x + 0 \\  = 4x

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How many solutions does this system of Equations have x-2y=2 y=-2x+5​
gayaneshka [121]

Answer:

One solution: x=2.4, y=0.2

Step-by-step explanation:

x-2y=2

y=-2x+5​

x-2(-2x+5)=2

x+4x-10=2

5x=2+10=12

x=12:5=2.4

y=-2x+5=-2*2.4+5=-4.8+5=0.2

3 0
3 years ago
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xxMikexx [17]

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3 years ago
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The lengths, in minutes, of the movies currently showing at a movie theater are shown in the data set. ​ ​ ​ ​Create a histogram
alexdok [17]

Answer:

See Explanation

Step-by-step explanation:

The question is incomplete, as the required lengths are not given.

I will use the following data set to answer the question.

Dataset: 35, 51, 39, 42, 68, 62, 32, 59

First, is to determine the range of the dataset

Range = Highest - Least

Range = 68 - 32

Range = 36

Next, we will make use of 4 classes. So, we divide range by 10 to get the number of class. 10 represents the interval

Class= Range/10

Class = 36/10

Class = 3.6

Class \approx 4

<em>So, we use 4 classes</em>

Plot the frequency distribution table as follows:

\begin{array}{ccc}{Intervals} & {Observations} & {Frequency} & {31-40} & {32,35,39} & {3} & {41-50} & {42} & {1} & {51-60} & {51,59} & {2} & {61-70} & {62,68} & {2}\ \end{array}

<em>See attachment for histogram</em>

5 0
3 years ago
Only 6 of the 75 trees in a park are at least 30 feet tall. What percent of the trees are under 30 feet tall?
wariber [46]
Percentage of tress under 30 = 6/75 x 100 = 8%

Answer: 8%
6 0
3 years ago
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