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Soloha48 [4]
3 years ago
14

Can someone help please?

Mathematics
1 answer:
alina1380 [7]3 years ago
5 0

Answer:

(-1, 3)

Step-by-step explanation:

The given equation is 2x + y = 5.

Test whether (-1, 3) is a solution.  To do this, substitute -1 for x and 3 for y.  Does 2(-1) + 3 = 5?  No, it does not.  So this could be the correct answer choice.

Test whether (6, -7) is a solution.  Is 2(6) - 7 = 5 true?  Yes, it is.  So this is not a correct choice.

Test whether (3, -1) is a solution.  Is 2(3) -1 = 5?  Yes, it is.  So this is not a correct choice.

Summary:  The only answer choice that does NOT satisfy the given equation is the first one:  (-1, 3).

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Given that (-4,2) is on the graph of f(x) find the corresponding point for the function -1/2f(x)
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Answer:

The corresponding point is (-4.-1)

Step-by-step explanation:

we know that

The point (-4,2) is on the graph of f(x)

so

For x=-4

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For x=-4

-(1/2)f(x)=-(1/2)*2=-1

The corresponding point is (-4.-1)

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3 years ago
A password is 4 characters long and must consist of 3 letters and one number. if letters cannot be repeated and the password mus
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The possibility of selecting a 4 characters long password consisting of 3 letters and one number if letters cannot be repeated and the password must end with a number is 156000

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An equation is an expression that shows the relationship between two or more number and variables.

The possibility of selecting the password = 26 * 25 * 24 * 10 = 156000

The possibility of selecting a 4 characters long password consisting of 3 letters and one number if letters cannot be repeated and the password must end with a number is 156000

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7 0
2 years ago
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6/4

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Have a great day

5 0
3 years ago
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Kareendeep has $168.50 in her bank account. She buys x shirts for $5.5o each. Write and solve an equation Kareendeep can use to
Vikentia [17]

Answer:

Equation: 5.5x = 168.5

Solution: 30 shirts

Step-by-step explanation:

First, create the equation where x is the number of shirts.

Since each shirt is $5.50, the cost of the shirts will be 5.50x

Set this equal to 168.50, since that is how much money Kareendeep has.

So, the equation will be 5.5x = 168.5

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Since we can only have a whole number of shirts, she can only buy 30 shirts.

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