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Wittaler [7]
3 years ago
7

Write a problem that uses a fraction greater than 1 ​

Mathematics
2 answers:
vovikov84 [41]3 years ago
8 0

Answer:

\frac{5}{8}x+5=3x-2

Step-by-step explanation:

lord [1]3 years ago
8 0

Answer:

\frac{10}{5} -\frac{5}{5} = \frac{5}{5}

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If f(x) and r^(x) are inverse functions of eachother and f(x)=2x+5 what is f-1(8)?
boyakko [2]

recall that for inverse functions, <u>the range of the original is the domain of the inverse</u> and othe other way around.

so f⁻¹(8) is f⁻¹(x) but making x = 8, so the domain value in this case for the inverse is 8, and that's going to give us something, but let's nevermind that.

since the domain value is 8 for the inverse, that means, the same 8, is a range for the original f(x).

meaning, "some value of x" on the original, gives us a range of 8, then let's use that 8 in the original, BUT not on "x", but on "y", or f(x).

\bf f^{-1}(8)~\hspace{7em}\stackrel{f(x)}{8}=2x+5 \\\\[-0.35em] ~\dotfill\\\\ 8=2x+5\implies 3=2x\implies \boxed{\cfrac{3}{2}=x} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{original f(x)}}{\left(\stackrel{x}{\frac{3}{2}}~~,~~\stackrel{y}{8} \right)}~\hspace{7em} \stackrel{\textit{inverse }f^{-1}(x)}{\left(\stackrel{x}{8}~~,~~\stackrel{y}{\frac{3}{2}} \right)}~\hfill f^{-1}(8)=\cfrac{3}{2}


so notice how the values swap places for the inverses, one's domain, is the other's range.


6 0
3 years ago
Show your work<br> 4(2x - 6) = 10x - 6
Elden [556K]

4.(2x - 6) = 10x - 6

4.2x - 4.6 = 10x - 6

8x - 24 = 10x - 6

-24 + 6 = 10x - 8x

-18 = 2x

x = -9

4 0
3 years ago
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In the past year and a half, Gnarly the dog lost an average of 29pound each month. Today, Gnarly weighs 14 pounds. How much did
tatyana61 [14]

Answer:

449pounds

Step-by-step explanation:

29x15months=435

435+15=449 pounds

P.S. That was one BIG dog.

7 0
3 years ago
What is 3,471 rounded to the nearest 1000
alukav5142 [94]
Hey the answer would be 3000 hope this helps pls mark me as the brainliest answer plsssssssssssssssssssss
5 0
3 years ago
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A go kart's top speed is 607,200 feet per hour. What is the speed in miles per hour?
Cloud [144]

Answer:

115 MPH.

Step-by-step explanation:

According to Bing, 1 foot per hour = 0.000189393939 mph.

607200 * 0.000189393939 = 114.9999997608

The max speed of the go-kart is approximately 115 mph.

3 0
3 years ago
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