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denis-greek [22]
1 year ago
11

3x - 3y = 24 (for x)

Mathematics
2 answers:
Masteriza [31]1 year ago
5 0
<h3>SOLVE FOR X</h3><h3>3x - 3y = 24</h3>

Add 3y to both sides.

<h3>3x = 24 + 3y</h3>

<em>The equation is in standard format.</em>

<h3>3x = 3y + 24</h3>

<em>Divide both sides by 3.</em>

<em></em>\boldsymbol{\sf{\dfrac{3x}{3}=\dfrac{3y+24}{3}   }}

<em>Dividing by 3 undoes the multiplication by 3.</em>

<em></em>\boldsymbol{\sf{x=\dfrac{3y+24}{3}   }}

<em>Divide 24 + 3y by 3.</em>

<h3>x= y + 8</h3>
Vladimir79 [104]1 year ago
4 0

Answer:

{ \tt{3x - 3y = 24}} \\ { \tt{ 3(x - y) = 24}} \\ \\  { \tt{ \frac{3(x - y)}{3}  =  \frac{24}{3} }} \\  \\ { \tt{x - y = 8}} \\  \\ { \tt{x = 8 + y}}

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4 0
3 years ago
Brian, Kelsey, and Geoff each have a remote-controlled car. They simultaneously started their cars and drove them in a straight
jasenka [17]

Answer:

The correct option is 1.

Step-by-step explanation:

It is given that the Brian, Kelsey, and Geoff each have a remote-controlled car. They simultaneously started their cars and drove them in a straight line away from a motion sensor.

It means they are travelling at a constant rate.

Slope formula:

m=\frac{y_2-y_1}{x_2-x_1}

From the given table it is clear that the of Brian's car from the sensor is 34 at 1 sec and 38 at 3 sec. The rate of change is

m=\frac{38-34}{3-1}=2

It means the Brian's car traveled at the rate of 2 cm per sec.

From the given table it is clear that the of Brian's car from the sensor is 27 at 1 sec and 31 at 3 sec. The rate of change is

m=\frac{31-27}{3-1}=2

It means the Kelsey's car traveled at the rate of 2 cm per sec.

From the given table it is clear that the of Brian's car from the sensor is 27 at 1 sec and 33 at 3 sec. The rate of change is

m=\frac{33-27}{3-1}=3

It means the Geoff's car traveled at the rate of 3 cm per sec.

Since Brian's and Geoff's car traveled at the same rate, therefore option 1 is correct.

7 0
3 years ago
Read 2 more answers
Find the 91st term of the arithmetic sequence 28, 8, –12, ...<br><br> Anybody know the answer?
tankabanditka [31]

Answer:

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Step-by-step explanation:

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d is the common difference

From the sequence

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d = 8-28 = -12-8 = -20

n =91(since we are looking for the 91st term)

Substrate

T91 = 28+(91-1)(-20)

T91 = 28+90(-20)

T91 = 28-1800

T91 = -1772

Hence the 91st term is -1772

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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