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sergejj [24]
3 years ago
10

MATHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH NOWNOWNOWNOWNOWNWOW

Mathematics
1 answer:
Naily [24]3 years ago
6 0

1) x > 17

2) x ≤ 7

3) a < 4

4) t ≥ -4t-6

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Any can help ? And explain please and thank you
Hatshy [7]

Answer:

d

Step-by-step explanation:

6 0
3 years ago
After reading 80\%80% of her e-mails in her inbox, Danette still has MM unread e-mails.
NARA [144]

Answer:   <em>The correct options are.....</em>

<em>A)   \frac{M}{1-0.8}   and</em>

<em>B)   5M</em>

Step-by-step explanation:

Suppose, the number of e-mails Danette had in her inbox before she started reading was X.

Percentage of read emails is 80%, so the number of read emails = (\frac{80}{100}*X)=0.8X

<u>Thus, the number of unread emails</u> = X-0.8X=X(1-0.8), <u>which is given as</u> M.

So, the equation will be........

X(1-0.8)=M\\ \\ \Rightarrow X=\frac{M}{1-0.8} (Answer: 1) \\ \\ \Rightarrow X=\frac{M}{0.2}\\ \\ \Rightarrow X=(\frac{1}{0.2})M=5M (Answer: 2)

Thus, the expressions which could represent the number of e-mails Danette had in her inbox before she started reading are:  \frac{M}{1-0.8} or 5M

3 0
4 years ago
What advantages does the graphing calculator have when it comes to finding the solution to a system of linear equations? Explain
Mashcka [7]
For this case you have the following advantages:
 
 1)
you can see the graph of both equations

 2) you can see where the equations intersect

 3) the point of intersection represents the solution to the system of equations.

 4) You can solve the problem in much less time than doing it by hand

 5) You can find very accurate solutions.
4 0
3 years ago
Read 2 more answers
What is 4-2x+8+5x simplified
sveta [45]

Answer: it is 3 • (x + 4)

Step-by-step explanation: We move all terms to the left:

4-2x+8-(+5x)=0

We add all the numbers together, and all the variables

-2x-(+5x)+12=0

We get rid of parentheses

-2x-5x+12=0

We add all the numbers together, and all the variables

-7x+12=0

We move all terms containing x to the left, all other terms to the right

-7x=-12

x=-12/-7

x=1+5/7We move all terms to the left:

4-2x+8-(+5x)=0

We add all the numbers together, and all the variables

-2x-(+5x)+12=0

We get rid of parentheses

-2x-5x+12=0

We add all the numbers together, and all the variables

-7x+12=0

We move all terms containing x to the left, all other terms to the right

-7x=-12

x=-12/-7

x=1+5/7

6 0
3 years ago
Read 2 more answers
elaine has a rectangular gift wrapper that measure 30 cm by 25 cm she wants to cut it into square sheets of the same size to be
12345 [234]

Answer:

Square length of 5cm

Step-by-step explanation:

Given

Length = 30cm

Width = 25cm

Required

Determine the possible measure of square from the rectangular sheet

To do this, we simply calculate the greatest common factor (GCF) of the dimension of the rectangle.

30 = 2 * 3 * 5

25 = 5 * 5

The common factor is: 5

<em>Hence, the side length of the square is 5cm</em>

6 0
3 years ago
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