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SVETLANKA909090 [29]
3 years ago
8

Help...............​

Mathematics
1 answer:
mart [117]3 years ago
8 0

Answer:

(-20x -40)

Step-by-step explanation:

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An airplane's altitude in feet during its descent can be found using the equation y=-150x + 30,500. After new government regulat
Inga [223]

Answer:

The airplane would starts its descent from an altitude 500 feet lower.

Step-by-step explanation:

The x-axis is horizontal and the y-axis is vertical (altitude). It would be 500 feet lower because they took 500 away from the 30,000.

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3 years ago
Over the summer Marty reads 4 times as many pages as the number of pages Nelson and Jennifer read combined Marty reads 1,860 pag
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She reads 4 timws as many pages as them together so you add the number of pages they eead them mhltiply it by 4 (1860+240)4=8400
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True or false: for any function, x=f^-1(y), then y=f(x)
kozerog [31]

YES

We can work out the inverse using Algebra. Put "y" for "f(x)" and solve for x:

<span><span>The function: f(x)=2x+3
</span><span>Put "y" for "f(x)": y=2x+3
</span><span>Subtract 3 from both sides:
 y-3=2x
</span><span>Divide both sides by 2:
 (y-3)/2=x
</span><span>Swap sides: x=(y-3)/2</span><span>  
   </span><span><span>Solution (put "f-1(y)" for "x") :</span> <span>f-1(y)</span>=(y-3)/2</span></span>


6 0
3 years ago
Read 2 more answers
Simplify your answer as much as possible solve the inequality for X
evablogger [386]

Answer:

3x >   - 11 + 8 \\ 3x >  - 3 \\ x >  - 1

4 0
3 years ago
Read 2 more answers
6 to the power of 8 divided by 6 to the power of 4
tensa zangetsu [6.8K]

Answer:

7.716049382716049e-4‬ or 1,296

Step-by-step explanation:

If 6 is to the power of 8 and my mind is not mistaken. Then it's 6^8=1,679,616 and then divide that by 6 to the power of 4 is 6^4=1,296. In the end with the numbers set. 1,679,616 Divided by 1,296 or 1,296 divided by 1,679,616.

3 0
3 years ago
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