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Nadya [2.5K]
3 years ago
12

What is the inverse relation of the function whose equation is y= 3x-2

Mathematics
1 answer:
serg [7]3 years ago
6 0

Answer:

1/3x +2/3 = y

Step-by-step explanation:

y= 3x-2

To find the inverse, exchange x and y

x = 3y-2

And solve for y

x+2 = 3y-2+2

x+2 = 3y

Divide by 3

1/3(x+2) = 1/3(3y)

1/3x +2/3 = y

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Which expression is equivalent to −30+(−40)+(−70) ?
BlackZzzverrR [31]

Answer:

-30 - 40 - 70, see below

Step-by-step explanation:

+- combines to -

++ combines to +

-+ combines to -

-- combines to +

-30 + (-40) + (-70)

-30 - 40 - 70

:)

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3 years ago
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Derek decided to take a trip to France this summer. He had $30 in U.S. dollars to exchange for Euros. For every U.S. dollar, Der
ser-zykov [4K]
In euros Derek has twenty two dollars and eighty cents
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1.Simplify 5 to the 5th over 5 to the 8th.
timurjin [86]
Q1. The answer is <span>1 over 5 to the 3rd power.

</span>5 to the 5th is 5⁵
5 to the 8th is 5⁸
5 to the 5th over 5 to the 8th is \frac{ 5^{5} }{ 5^{8} }
To simplify, we will use two rules: 
\frac{ x^{a}}{ x^{b} } = x^{a-b} \\ x^{-a} = \frac{1}{ x^{a}}
Therefore:
\frac{ 5^{5} }{ 5^{8} } = 5^{5-8} =5^{-3}= \frac{1}{5^{3}}
\frac{1}{5^{3}} is the same as 1 over 5 to the 3rd power.


Q2. The answer is <span>(53)−4.

The exponents are multiplied when are expressed in the form:
</span>(x^{a}) ^{b}= x^{a*b}
So, (5^{3} )^{-4}=5^{3*(-4)}=5^{-12}

Other choices are incorrect:
<span>one third to the 4th times one third to the 7th is </span>( \frac{1}{3} )^{4} *( \frac{1}{3} )^{7}=( \frac{1}{3} )^{4+7}
3 to the 7th over 3 to the 15th is \frac{ 3^{7} }{3^{15}} =3^{7-15}
<span>45 ⋅ 42 is </span>4^{5}* 4^{2} =  4^{5+2}
3 0
3 years ago
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Is 9 times -448,213 positive or negative <br><br> A:Positive B:Negative
Maurinko [17]

Answer:

Negative

Step-by-step explanation:

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3 years ago
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Reeeeeeeeeeeeeeeeeeeeeeeeeee help me pls brainliest
Deffense [45]

Answer:

the height of a baseball thrown into the air

Step-by-step explanation:

Bean sprouts do not decline in size in this case

The distance from home will only decline on the graph

The amount of money a student earns would increase in height on the graph

The only logical solution is the height of a baseball thrown into the air because the ball can increase in height, but it also comes down at some point, causing the graph to decrease.

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3 years ago
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