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podryga [215]
3 years ago
5

This relation is a function: {(0,-3), (0,-2), (0,-1), (0,0), (0,1)} : True or False

Mathematics
1 answer:
Crank3 years ago
7 0

To be a function, a single value in the Domain can not map into multiple values in the Range.

the Domain is <span>{0}</span> and
the Range is <span>{3,2,1}</span>

This is not a function.

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Log x + log (2x-1) = log 6
Brilliant_brown [7]

Answer:

x = 2

Step-by-step explanation:

logx + log(2x - 1) = log 6

Apply log rules,

x(2x - 1) = 6

2x^2 - 1x = 6

x = 2 (true) or x = -3/2 (False)

8 0
2 years ago
Which equivalent fraction for 2/3 is? Can someone plz help me
melomori [17]

Answer:

the answer is 4/6 or 6/9

3 0
3 years ago
If Sean earns $8.50 per hour sand made a total of $80.75 today, How many hours did he work?
Serggg [28]
80.75 / 8.50 = 9.5
Sean worked 9 and a half hours.
8 0
3 years ago
Read 2 more answers
Which of the following could be the equation of a line perpendicular to the line 2x−5y=7?
Over [174]

Answer:

B.

Step-by-step explanation:

First convert the equation to slope-intercept form:

2x - 5y = 7

-5y = -2x + 7

y = 2/5 x - 7/5

So the slope of the given line  is 2/5.

So the slope of a perpendicular line will be -1/ 2/5 = -5/2.

Take B:

5x + 2y = 3

2y = -5x + 3

y = -5/2.

So its B.

4 0
2 years ago
line v has an equation of y=10/9x +1. Line w includes the point (-3,3) and is perpendicular to line v. What is the equation of l
NARA [144]

Answer:

y = -9/10x + 3/10 or y = 3/10(1 - 3x)

Step-by-step explanation:

Perpendicular lines have slopes that are negative reciprocals of one another

so slope of line w is -9/10

Using (-3,3) >> y = -9/10x + b

3 = -9/10(-3) + b

3 = 27/10 + b

b = 3 - 27/10 = 30/10 - 27/10 = 3/10

y = -9/10x + 3/10 or y = 3/10(1 - 3x)

3 0
2 years ago
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