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Nastasia [14]
3 years ago
6

Which numbers below belong to the solution set of the inequality 9x>117

Mathematics
1 answer:
vlada-n [284]3 years ago
8 0
Given answer choices(?)
A.12
B.6
C.8
D.14
E.13
F. 19

117/9 equals 13, therefore we need numbers greater than 13 to multiply to 9 in order to get a number that is more than 117. Therefore x is numbers greater than 13. Choose all (if given the option) that is above number 13. Exclude all the numbers that are 13 and below. That means A, B, C, and E are not the correct answers nor possible solutions to the inequality. 

Bonus: I'll show you a hint on how you can figure out the products of 9 x 1 - 10. Take all ten of your fingers and hold down the number you want to multiply with 9. Let's say 4. Hold down your forth finger. The numbers before that finger is the tens and the fingers after is your ones. (Note that you don't count that finger that is down. The finger that is down (in this case your fourth) acts as a barrier between the tens and the ones values) Your answer would be 3 fingers in the front (meaning 3 tens) and 6 fingers in the back (meaning 6 ones) Together that's 36. 9 * 4 = 36.


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Which equation can be solved by using this system of equations?
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the equation that we can solve using the given system of equations is:

3x^5 - 4x^4 - 11x^3 + 2x^2 - 10x + 15 = 0

<h3>Which equation can be solved using the given system of equations?</h3>

Here we have the system of equations:

y = 3x^5 - 5x^3 + 2x^2 - 10x + 4

y = 4x^4 + 6x^3 - 11

Notice that both x and y should represent the same thing in both equations, then we could write:

3x^5 - 5x^3 + 2x^2 - 10x + 4 = y = 4x^4 + 6x^3 - 11

If we remove the middle part, we get:

3x^5 - 5x^3 + 2x^2 - 10x + 4  = 4x^4 + 6x^3 - 11

Now, this is an equation that only depends on x.

We can simplify it to get:

3x^5 - 4x^4 - 11x^3 + 2x^2 - 10x + 15 = 0

That is the equation that we can solve using the given system of equations.

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4 0
1 year ago
Solve |2x - 5| = 4 I dont know what you solve for
ICE Princess25 [194]

Hello!

Answer:

\huge\boxed{x = 1/2, 9/2}

|2x - 5| = 4

Solve for the negative and positive expressions:

2x - 5 = 4

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x = 9/2

------------

-(2x - 5) = 4

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Therefore, the solutions are x = 1/2 and 9/2.

6 0
3 years ago
Help help help help help
SIZIF [17.4K]

Answer:

1) 2b + 6

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5) Sorry.

Step-by-step explanation:

8 0
3 years ago
Susan made a deposit of $74 to her bank account she then had $192 in the account how much money was in the account before the de
Aleksandr-060686 [28]
Rewind the "mind movie" of what happened. She added $74 to her account and then had $192. Back it up by subtracting the $74 from $192.

192 - 74 = 118
3 0
3 years ago
Read 2 more answers
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