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Andrews [41]
3 years ago
13

Using sets what is the intersection of a=(-2-1,0,1,7) I=(-2,-1,1,2,8)​

Mathematics
1 answer:
polet [3.4K]3 years ago
4 0
The answer is (-2,-1,1)
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I need to figure this out for a quiz in APEX. I can get the rest if I understand how to do this one.
KIM [24]
The answer is b
(-1,3,5)

Hope this helps!
8 0
3 years ago
Amrita thinks of a number. She doubles it, adds 9 , divides her answer by 3 and finally subtracts 1 . She obtains the same numbe
maks197457 [2]

Answer:

Amrita's number is 6

Step-by-step explanation:

x               Double the unknown number

2x             Add 9

2x + 9       Divide the answer by 3

2/3x + 3   Subtract 1

2/3x + 2   Set this equal to the original number

2/3x + 2 = x

-2/3x       -2/3x   Subtract 2/3x from both sides

2 = 1/3x   Multiply both sides by 3

6 = x

5 0
3 years ago
What linear function represents the line given by the point slope equation y+7= 2/3(x+6)?
aleksandrvk [35]

Answer:

The graph of the line in the attached figure

Step-by-step explanation:

we have

y+7=\frac{2}{3}(x+6)

This is the equation of a line into point slope form

The slope is m=\frac{2}{3}

The line pass through the point (-6,-7)

To graph the line find the y-intercept

Remember that

The y-intercept of the line is the value of y when the value of x is equal to zero

so

For x=0

y+7=\frac{2}{3}(0+6)

y+7=\frac{2}{3}(6)

y+7=4

y=4-7=-3

The y-intercept is the point (0,-3)

with the point (-6,-7) and (0,-3) plot the line

see the attached figure

8 0
3 years ago
Which of the following is the best definition of vertical angles?
Lilit [14]

Step-by-step explanation:

Very quick and effortless example of vertical angles in the attached image. When 2 straight lines intersect, the 2 angles opposite each other at that point are vertical angles, and they are always congruent.

I'd say it's the 3rd option:

"Vertical angles are a pair of non-adjacent angles formed by two intersecting lines."

but any of the first three could be technically true really. Adjacent angles are 2 angles that share a side, and vertical angles cannot share one.

8 0
2 years ago
Help please.!!
Dafna11 [192]

Answer: The answer is (y^2) to the power of -0.5

Step-by-step explanation:

8 0
3 years ago
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