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Viefleur [7K]
3 years ago
9

Devin wants to buy some t-shirts from a store in the mall. He has $20 in his pocket and the t-shirts cost $5 each. The situation

can be modeled by the function F(t) = 5t, where F(t) represents the total cost of t t-shirts. State a reasonable domain and range for this situation.
Mathematics
1 answer:
avanturin [10]3 years ago
7 0

Answer:20-5t+=

Step-by-step explanation:

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The volume of the box is modeled by the function V (x) = 5x²+ 5x. whats the volume when x=4​
Reika [66]

Answer:

100

Step-by-step explanation:

V (x) = 5x²+ 5x

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We plug in the x value:

V (x) = 5(4)²+ 5(4)

Now we sovle the equation:

5(4)² + 5(4)

5(16) + 5(4)

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Hope that helps, and sorry if its incorrect

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Step-by-step explanation:

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3 years ago
3x+y=7<br> 6x+4y=22<br> can somebody help me solve this problem?
swat32
Hey there!

\boxed{x=1;y=4}

3x + y = 7 \\ \\ &#10;    6x + 4y = 22

y = -3x + 7 \\ \\ Plug \ this \ in \ for \ variable \ (y) \ in \ equation \ \\ \\ &#10;&#10;       6x + 4*(-3x+7) = 22 \\ \\ &#10;       -6x = -6 \\ \\ 6x=6 \ x+1 \\ \\ x=1 \ y=-3x+7 \\ \\ \boxed{y=-3(1)+7=4} \\ \\ \boxed{\boxed{x=1;y=4}}

I hope this helps you!
5 0
4 years ago
What is the difference between -4=7 vs 5=5
KiRa [710]

Answer:

{-4 = 7, 5 = 5} = {False, True}

Step-by-step explanation:

3 0
3 years ago
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