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AnnZ [28]
3 years ago
12

A line contains the point ( 3, 4). If the slope of the line is -2/3write the equation of the line using slope-intercept form.

Mathematics
1 answer:
mina [271]3 years ago
7 0
You use point-slope form, which is y-y1=m(x-x1) , so it becomes 
y-4=(-2/3)(x-3). 
You can make it 3y-12=-2x+6.
Add 12 to both sides to make it 3y=-2x+18.
Lastly, divide everything by 3, so it becomes y=-2/3x+6. 
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Answer:

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Step-by-step explanation:

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A representative sample of a population of middle school students contains 45 boys and 25 girls. From this sample, 27 and 15 gir
lorasvet [3.4K]

\frac{15}{70}  =  \frac{?}{350}
15 \times 350 \div 70 = 75
8 0
3 years ago
Read 2 more answers
The radius of a circle is 15. Using π, which equation expresses the ratio of the circumference to the diameter of a circle?
Kobotan [32]

Answer:

The equation which expresses the ratio of the circumference to the diameter of a circle is  \frac{C}{30}=\pi ⇒ D

Step-by-step explanation:

π is the ratio between the circumference of the circle and the length of its diameter

\frac{C}{d}=\pi , where

  • C is the circumference of the circle
  • d is the diameter of the circle

∵ The circumference of the circle is C

∵ The radius of the circle is 15 units

∴ r = 15 units

- Find the diameter of the circle

∵ The diameter of the circle d = 2 r

∴ d = 2(15) = 30 units

∴ The diameter of the circle is 30 units

∵ \frac{C}{d}=\pi

∵ d = 30 units

∴ \frac{C}{30}=\pi

The equation which expresses the ratio of the circumference to the diameter of a circle is  \frac{C}{30}=\pi

6 0
3 years ago
Need help figuring out yards walked
jeka57 [31]

She will travel 1586.4 yards to travel to reach the Xena house by traveling in a straight path.

<h3>What is the distance?</h3>

Distance is a numerical representation of the distance between two objects or locations.

The distance can refer to a physical length or an estimate based on other factors in physics or common use. |AB| is a symbol for the distance between two points A and B.

Ranvir lives 15 blocks east of Xena. He also lives 10 blocks south of Sabine.

Yards would have been covered if Xena had taken a direct route to Sabine's house is found with the help of the phythogorous theorem:

\rm No \ of \  block=\sqrt{15^2+10^2} \\\\ No \ of \  block= 18.02

If 1 city block = 88 yard

The yards would she have walked is:

88 yard=88 × 18.02

88 yard=1586.4 yards.

Hence, she will travel 1586.4 yards to travel to reach the Xena house by traveling in a straight path.

To learn more about the distance refer to the link;

brainly.com/question/26711747

#SPJ1

7 0
2 years ago
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