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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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3 0
3 years ago
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The equation 6y = 30 - 8x has solutions of (b, 1) and (a, b).<br> What are the values of a and b?
victus00 [196]

The values of a and b are a = \frac{3}{2} and b = 3, respectively.

In this question we need to solve the linear equation for each point, first for (x,y) = (b, 1) and later for (x,y) = (a, b).

If we know that (x,y) = (b, 1), then the value of b is:

6 = 30-8\cdot b

8\cdot b = 24

b = 3

If we know that (x,y) = (a, b) and b = 3, then the value of a is:

6\cdot b = 30 - 8\cdot a

18 = 30-8\cdot a

12 = 8\cdot a

a = \frac{3}{2}

The values of a and b are a = \frac{3}{2} and b = 3, respectively.

To learn more on linear functions, we kindly invite to check this question: brainly.com/question/5101300

6 0
2 years ago
I don't know how to do these
mixas84 [53]

Answer:

1. Below 2. B. d = 8h

Step-by-step explanation:

The graph is a bit confusing. But basically, substitute x for the numbers they give you.

5x

5 · 1 = 5 = y

5 · 2 = 10 = y

5 · 3 = 15 = y

5 · 4 = 20 = y

7x

7 · 1 = 7 = y

7 · 2 = 14 = y

7 · 3 = 21 = y

7 · 4 = 28 = y

4 0
3 years ago
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Sonia's check at Aubrey's Kitchen is $14.25. In order to leave a 10% tip, how much should she pay? Round to the nearest cent.
Sidana [21]

Answer:

Nearest cent- $1.43

Step-by-step explanation:

14.25x0.10=1.425

7 0
2 years ago
Whats 1500x1500+(1/5- 2/6) divided by 28=?
Ilya [14]

Answer:

2249999.99524

Step-by-step explanation:

The answer would be 2249999.99524

Or just 224999

Sorry for the last answer!

5 0
2 years ago
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