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Alex787 [66]
3 years ago
10

-3+3x=-2(x+1) the 2 is a negative please break it down

Mathematics
2 answers:
Veronika [31]3 years ago
7 0
-3+3x=-2(x+1) First: I will get rid of the bracket:


-3+3x=-2x-2

Now, all the x goes to the left side, all the numbers without x to the right side:


3x+2x=-2+3

we add up"

5x=1

divide by 5:

x= \frac{1}{5}

coldgirl [10]3 years ago
5 0
-3 + 3x = -2(x + 1)

First, regroup your terms. / Your problem should look like: 3x - 3 = -2(x + 1)
Second, expand. / Your problem should look like: 3x - 3 = -2x - 2
Third, add 3 to both sides. / Your problem should look like: 3x = -2x - 2 + 3
Fourth, simplify -2x - 2 + 3 to -2x + 1. / Your problem should look like: 3x = -2x + 1
Fifth, add 2x to both sides. / Your problem should look like: 3x + 2x = 1
Sixth, add 3x + 2x to get 5x. / Your problem should look like: 5x = 1
Seventh, divide both sides by 5. / Your problem should look like: x =  \frac{1}{5}

Answer as fraction: x = \frac{1}{5}
Answer as decimal: x = 0.2

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Find the measure of an angle between 0 and 360 that is coterminal with -120
AURORKA [14]

Answer:to find the equivalent positive angle of a negative angle, just add 360 to it until it becomes positive and is between 0 and 360 degrees. -110 + 360 = 250. 250 degree angle and -110 degree angle are coterminal


Step-by-step explanation:to find the equivalent positive angle of a negative angle, just add 360 to it until it becomes positive and is between 0 and 360 degrees. -110 + 360 = 250. 250 degree angle and -110 degree angle are coterminal


5 0
3 years ago
Martine’s town is building a volleyball court based on a scale drawing that is 40cm to 80cm and uses the scale 1cm:22.5cm write
never [62]

Answer:

y=22.5x

Step-by-step explanation:

we have that

The scale drawing is

\frac{1}{22.5}\frac{cm}{cm}

we know that

Using proportion find out the actual dimensions of the volleyball court

Let

x -----> drawing court lengths in cm

y ----> court lengths in cm

For x=40 cm

\frac{1}{22.5}\frac{cm}{cm}=\frac{40}{y}\frac{cm}{cm}\\\\y=40*22.5\\\\y=900\ cm

For x=80 cm

\frac{1}{22.5}\frac{cm}{cm}=\frac{80}{y}\frac{cm}{cm}\\\\y=80*22.5\\\\y=1,800\ cm

Find the equation for the proportional relation ship between drawing court lengths x in centimeters and court lengths in y centimeters

 A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

For x=40 cm, y=900

substitute

k=y/x -----> k=900/40=22.5

The equation is

y=22.5x

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3 years ago
Of the new cars in a car dealer's lot, 1 in 6 are white. Today, 4 cars were sold.
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