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masha68 [24]
3 years ago
6

Helpppppppppppppppppp​

Mathematics
2 answers:
Sonbull [250]3 years ago
8 0
There is a repeating value there for it is not a function.
REY [17]3 years ago
4 0

Answer:

The mapping diagram above is not a function since -4 in Set A where there is duplication.

Step-by-step explanation:

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Question 1: Find the equation of the line through point (5,4) and perpendicular to y=−43x−2. Use a forward slash (i.e. "/") for
Mariulka [41]

Answer:

Question 1: y = 3/4x + 1/4.

Question 2: y = 6/5x + 7/5.

Step-by-step explanation:

Question 1: A line perpendicular to another line would have a slope that is the negative reciprocal of the other line. If the slope of the first line is -4/3, the slope of a line perpendicular to the first would have a slope of 3/4.

Since the line goes through (5, 4), we can just put the points into the equation, y = 3/4x + b.

4 = 3/4(5) + b

b + 15/4 = 4

b = 16/4 - 15/4

b = 1/4

So, the equation of the line is y = 3/4x + 1/4.

Question 2: 5x + 6y = -6

6y = -5x - 6

y = -5/6x - 1

As stated before, a line perpendicular to another will have a slope that is the negative reciprocal of the other. So, the slope of the other line is 6/5.

The line goes through (-2, -1), so we can put the points into the equation, y = 6/5x + b.

-1 = 6/5(-2) + b

b - 12/5 = -5/5

b = -5/5 + 12/5

b = 7/5

So, the equation of the line is y = 6/5x + 7/5.

Hope this helps!

8 0
3 years ago
4) A safe contains 120 coins, the value of which is $10. If the coins consist of nickels and dimes, how many of each kind are in
alexandr1967 [171]
There are 40 nickels and 80 dimes
8 0
3 years ago
Find all the powers of 4 in the range 4-1000
lara31 [8.8K]

4¹ =  4
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4³ =  64
4⁴ =  256

(4⁵ =  1,024  too big)

3 0
3 years ago
Which transformation carries the pentagon onto its
svetoff [14.1K]
C it’s I think lol!!!!!^^*
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3 years ago
Factor completely 6x - 18.<br> 6(x + 3)<br> 6(x-3)<br> 6X (-18)<br> Prime
8090 [49]

Answer:

6(x-3)

Step-by-step explanation:

the common number for 6 and 18 is 6 so if you extract that from the expression then it turns to 6(x-3) which cannot be factored further

5 0
3 years ago
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