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ivolga24 [154]
3 years ago
10

Which equation can be simplified to find the inverse of y = x2 – 7?

Mathematics
1 answer:
iragen [17]3 years ago
3 0
The last one is right
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I wasn't in class so I need help solving the inequality 7/10n+14<49
NikAS [45]

Answer:

n<50

Step-by-step explanation:

7/2*5n + 14<49

7n/2*5+14<49

(7n)+(2*5)14/2*5 <49

7n+10*14/2*5 <49

7n+140/2*5 <49

7n+140/10 <49

7n+140 < 10*49

7n+140 < 490

(7n+140)+(-140)<490+(-140)

7n+140-140<490-140

7n<350

7n/7 < 350/7

n<2*5^2*7/7

n<2*5^2

n<2*25

n<50

8 0
2 years ago
a person standing at a ridge in the grand canyon throws a penny upeard and toward the pit of the canyon. The height of the penny
Lelechka [254]
I believe its 80 if you derive it out, but there is no units of measurement.
4 0
3 years ago
Help!!!!!!!!!!!!!!!!!!!!!!!
Nataly [62]
Hello.

Firstly, let's isolate x on the equation:

\mathsf{f(x) = 3x + 3} \\ \\ \mathsf{y = 3x + 3} \\ \\ \mathsf{-3x = -y + 3} \\ \\ \mathsf{x = \dfrac{-y + 3}{3}}

Now, we can replace 'x' for 'y' and vice-versa:

\mathsf{f^{-1}(x) = \frac{-x + 3}{3}`}

Hope I helped.
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How can i do this? i’m not good with slope at all
andrey2020 [161]
Answer:
Slope formula: (b) m = y2 – y1 / x2 – x1
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Slope Intercept Form: (a) y = mx + b
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