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Naddika [18.5K]
3 years ago
7

What is the opposite of - 2 over 5

Mathematics
2 answers:
kiruha [24]3 years ago
6 0
The opposite of -2/5

Well, the opposite would just be everything switched around!

So, our negative would become a positive, and the 5 and 2 would be switched around! :)

So, with the negative turned into a positive and with the numbers switched around, our answer is :

A) 5/2


What is I -10 I  ?

Well, the absolute value of something is basically just the distance of that number from 0.

So, if you were to plot -10 on a number, and then counted the numbers it took to get back to 0, it would be 10!

So, the absolute value of -10 is 10


Simplify : 3x² + I -4 I

First, we find the absolute value of -4.

An easier way to find the absolute value of something is to just take out the negatives, and switch it with a positive! So, if you are looking for the absolute value of a negative, simply turn it into a positive. However, if you are looking for the absolute value of a positive, it stays positive.

So, the absolute value of -4 is 4.

So, now we have : 

3x² + 4

Because you only asked for this simplified, this is the simplest it can be simplified.

~Hope I helped!~




Anuta_ua [19.1K]3 years ago
4 0
I dont think i can do the first one. but for the second one im pretty sure its 10.
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x= -1

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Step-by-step explanation:

6x+5y=4

6x-7y=-20

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3 years ago
Select the correct answer.
icang [17]

Answer: C (0,2)

Step-by-step explanation: Y intercept is when the x value is equal to 0. Find the value in the table where the x value is 0 and then look at the h(x) value or the y value to find the answer. In this case the point where x=0 h(x) = 2.

7 0
3 years ago
The expression 2( 21x + 75 ) represents the monthly tuition and the one-time materials fee that Jamie pays for his two children
ss7ja [257]

Answer:  x represents the number of months, 150 represents one-time materials fee,  2( 21x + 75 ) represents total fees in x months and 42 represents rate of change.

Step-by-step explanation:

Since, Here the expression 2( 21x + 75 ) represents the monthly tuition and the one-time materials fee that Jamie pays for his two children to join a science club.

Let, f(x) represents the monthly tuition fee

Therefore, f(x)= 2( 21x + 75 )

⇒f(x)= 42 x +150

Again according to the question, there is a one-time materials fee which must be free from the variable.

Therefore In f(x) , 150 must represent one time material fees.

And, x is variable, and here number of months is a variable.

Thus, x must be denote the number of months.

And, 42 must be denote the fees for 1 month.



8 0
3 years ago
What equation is represented by the equation on the graph ?
solmaris [256]

Answer: The correct option is D.

Explanation:

From the graph we noticed that the x intercept of the line is (2,0) and the y-intercept is (0,2).

If the line passing through two points then the equation of line is,

y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)

Since the ien passing through (2,0) and (0,2).

y-0=\frac{2-0}{0-2}(x-2)

y=-1(x-2)

y=-x+2

This equation is represented by option D, therefore the option D is correct.

6 0
3 years ago
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