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Mathematics

1 answer:

castortr0y [4]3 years ago

3 0

The answer is D {9,24,30}

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If 23 is subtracted from 8 times the number, the result is the square of 2 less than the number.

pychu [463]

I believe the answer is 116.

23-8=15
8*15=120
sqrt2=4
the number 120-4=116

that’s what i got not sure if that is correct

4 0

3 years ago

Solve for x, help explain pls I dont get it

attashe74 [19]

Answer:

12)

11-5+x=2x-1

x-2x=-1-11+5

-x=-7

x=7

13)

10+2x+12=x+17

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Step-by-step explanation:

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3 years ago

Solve r = (9–9) for p.

Dmitry_Shevchenko [17]

Answer: u mean r=0

Step-by-step explanation:

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3 years ago

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Which is the graph of the cube root function f(x) = RootIndex 3 StartRoot x EndRoot?

lara [203]

Answer:

<h3>On a coordinate plane, a cube root function goes through (negative 8, negative 2), has an inflection point at (0, 0), and goes thorugh (8, 2).</h3>

Step-by-step explanation:

$f(x)=\sqrt[3]{x}\\\\f(-8)=\sqrt[3]{-8}=-2\to(-8,\ -2)\\\\f(0)=\sqrt[3]{0}=0\to(0,\ 0)\\\\f(8)=\sqrt[3]{8}=2\to(8,\ 2)\\\\\\\sqrt[3]{a}=b\iff b^3=a\\\\\text{Therefore:}\\\\\sqrt[3]{-8}=-2\ \text{because}\ (-2)^3=-8\\\sqrt[3]0=0\ \text{because}\ 0^3=0\\\sqrt[3]{8}=2\ \text{because}\ 2^3=8$