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mojhsa [17]
4 years ago
12

Y=3x compare parent function y=x

Mathematics
1 answer:
Dmitriy789 [7]4 years ago
5 0
Y=3x is direct variation
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Exercises Solve each inequality. Graph the solution set on a number line. 3x – 4 < 17
Nonamiya [84]

Answer:

x <7

Step-by-step explanation:

3x – 4 < 17

Add 4 to each side

3x – 4+4 < 17+4

3x < 21

Divide each side by 3

3x/3 < 21/3

x <7

8 0
3 years ago
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Mr. Thompson, a retiree, looks at his check register.
sukhopar [10]

As given,

Weekly rent of Mr. Thomson is = $104.92

Part A: What is Mr. Thompson's yearly rent (using 52 weeks)?

Rent for 1 week = 104.92

Rent for 52 weeks = 104.92\times52 = $5455.84

Part B: What was the average grocery expense in this time period?

Mr. Thomson purchased groceries on 2/18 for $33.45 and on 3/5 for $28.56

Hence average grocery expense is = \frac{33.45+28.56}{2}

= $31 per week or $62.01 per month

Part C: Mr. Thompson estimates his yearly expense for groceries to be:

The monthly expense for groceries is = $62.01

So yearly expense will be = 62.01\times12 = $744.12

4 0
3 years ago
What to do if quadratic equation has a negative spuare root?
alex41 [277]

If the negative square root is found to be one of your solutions, then that is indicative of a pair of imaginary roots (the imaginary i). According to the conjugate rule, if you have one solution that is imaginary, you will have another but with the opposite sign. For example, if a solution to a quadratic is found to be 2 - i, then its conjugate, 2 + i is also a solution. They will ALWAYS go in pairs. Same thing with radical solutions. If one solution is found to be 3+\sqrt{5}

then 3-\sqrt{5} will also be a solution.

3 0
4 years ago
What equation is the inverse of y=2x^2-8?
Fynjy0 [20]

Step-by-step explanation:

To get the inverse, swap the x- and y-variables, then solve for y. We should have the equation: x = 2y^2 - 8

Solving for y:    

y = 2x^{2} - 8    because  y + 8 = 2x^{2} or  x =\sqrt\frac{y +  8}{2}

So on interchanging the variable, we get the equation:

x = 2y^2 - 8

x + 8 = 2y^2

y = \sqrt\frac{x + 8}{2}

5 0
3 years ago
Which algebraic expression represents the phrase “two times the quantity of a number minus 12”?
Leviafan [203]
Your answer choice would be B. 

Y is your quantity
You minus 12 so...

Y - 12

Then it's two times that so...
 
2(Y-12)
3 0
3 years ago
Read 2 more answers
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