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sattari [20]
3 years ago
11

|-5x-5|=45 what is the solutions

Mathematics
2 answers:
Paha777 [63]3 years ago
7 0

Answer:-10

Step-by-step explanation:

45 +5=-5x

-5x=50

X=-10

11111nata11111 [884]3 years ago
5 0

Because this is absolute value you can have two equations

-5x-5=45 and -5x-5=-45

-5x-5=45         -5x-5=-45

-5x=50            -5x=-40

x=-10                   x=8

ANSWERS: x=-10, x=8

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Answer these please tell me <br> 1. What the error was<br> 2. How can U check ur answer
emmainna [20.7K]

Answer:

The first one: the error was that the 3 shouldn’t have been moved but the 5 should have. The correct answer is k=-8

The second one: the error was that they added the 6 and 4, you would only get -10 if the 4 was - the correct answer is -2

You can check your answer by plugging in your answer to the variable and making sure both side equal each other

Step-by-step explanation:

The first one: the 5 should be - from both side so you get k=-8

The second one: the 4 should be + to both sides. And the -6 and +4 should be added together to get n=-2

Remember you always want to get the variables by themselves.

Sorry that was a lot. Hope it helps!

8 0
3 years ago
11.<br>The domain of f(x) is [4, 5, 6]. If f(x) = 3x + 2, what is the range?​
grigory [225]

Answer:

The range of the function is:

Range R = {14, 17, 20}

Step-by-step explanation:

Given the function

f(x) = 3x + 2

We also know that range is the set of values of the dependent variable for which a function is defined.  

In other words,  

  • Range refers to all the possible sets of output values on the y-axis.

We are given that the domain of the function is:

Domain D = {4, 5, 6}

Now,

substituting x = 4 in the function

f(4) = 3(4) + 2

f(4) = 12 + 2

f(4) = 14

substituting x = 5 in the function

f(5) = 3(5) + 2

f(5) = 15 + 2

f(5) = 17

substituting x = 6 in the function

f(6) = 3(6) + 2

f(6) = 18 + 2

f(6) = 20

Thus, we conclude that:

at x = 4, y = 14

at x = 5, y = 17

at x = 6, y = 20

Thus, the range of the function is:

Range R = {14, 17, 20}

3 0
2 years ago
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Answer:

37

Step-by-step explanation:

10z - 3 = 10(4) - 3

=40-3

=37

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3 years ago
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Fiesta28 [93]

Answer: 6

Step-by-step explanation:

3/1=3

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3/0.5=6

4 0
3 years ago
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In aremethic, variables look like
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I hope this helps

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