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mestny [16]
2 years ago
14

Determine whether the equation x+x+x+x=4x has a one solutions, no solutions, or an infinite number of solutions determine the tw

o values of x that
Mathematics
1 answer:
vitfil [10]2 years ago
3 0
I think as that is a variable so when you like add there is already a constant so it is 1
1+1+1+1= 4
x=1
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38 ×29 use rounding to estimate each product
nydimaria [60]
38 rounds to 40.
29 rounds to 30.
40 x 30 = 120.
8 0
3 years ago
Find the number of permutations of the first 9 letters of the alphabet, taking 4 letters at a time.
Vinil7 [7]

Solution-

First 9 letters of alphabet are- A,B,C,D,E,F,G,H,I

Total number of ways of selection of 4 letters from 9 alphabets = 9C4

=9!÷((4!).(9-4)!) = 9!÷(4!×5!) = (9×8×7×6)÷(24) = 126

The number of ways of arranging these 4 numbers = 4! = 24

∴ Total number of possible permutations = 9C4×4! = 126×24 = 3024

∴ option number 2 is correct.

8 0
3 years ago
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Solve the system.<br> x = y +2 <br> 3x = 6 (y + 2)
Zielflug [23.3K]

Answer:

(x , y)=(0 , -2)

Step-by-step explanation:

5 0
2 years ago
Do 4x and 15 + x have the same value when x is 5? How do you know?
alexandr402 [8]

Answer:

yes

Step-by-step explanation:

If x = 5,

4x=4*5=20

15+x=15+5=20

They're both the same.

4 0
3 years ago
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Which of the statements are true regarding dot plots bar graphs and historgrams
andrey2020 [161]

the only statement that is true is the one in option D.

"Bar graphs are used to represent data that is discrete".

<h3>Which of the statements are true regarding dot plots, bar graphs, and histograms?</h3>

Dot plots,  bar graphs, and histograms are used to repersent graphically data sets.

Thus, what these graphs do represent are populations in a data set with a given property.

Remember that data is usually discrete, so we usually use dot plots and bar graphs to represent discrete data.

Histograms show distributions of numerical data (it can be used for continuous or discrete data).

With all that in mind, we conclude that the only statement that is true is the one in option D.

"Bar graphs are used to represent data that is discrete".

If you want to learn more about data sets:

brainly.com/question/3514929

#SPJ1

3 0
1 year ago
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