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Anon25 [30]
3 years ago
10

Write an equation of the line that passes through the points (-3,-9) and (5,-9)

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
8 0

Answer:

slope of a line m : 0

Equation of line :  y=- 9

Step-by-step explanation:

P1 : (X1 , Y1 ) (-3 , -9)

P2 : (X2 , Y2) (5 , -9)

Slope of line (m) is caculated as ,

m = ( y2-y1)/(x2 - x1)

m = (-9 - (-9))/(5 - (-3))

m = 0

equation of line  : y = mx+b

using P1 (-3 , -9)

= > (-9) = (0)(-3) + b

= > -9 = b

hence b = -9

equation of Line is

y = -9

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madam [21]

Answer:

x = y − 6 Is your answer

Step-by-step explanation:

y = x + 6

x = y -6

6 0
3 years ago
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Nana76 [90]
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6 0
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Step-by-step explanation:

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6 0
3 years ago
I’m not sure where to begin
Dmitry [639]

(a)

we are given

the price of apple suddenly up by $0.75

Let's assume original price be 'p'

we are given

Sam bought 3 pounds of apple at the new price total is $5.88

so, new price = old price +0.75

price of 3 apples =3(p+0.75)

we are given that price is 5.88

so, we get equation as

5.88=3(p+0.75).......Answer

(b)

Since, original price is p

so, we have to solve for p

5.88=3p+2.25

5.88-2.25=3p+2.25-2.25

3.63=3p

p=1.21

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8 0
3 years ago
If the area of a circle measures 9π cm2, what is the circumference of the circle in terms of π?
8_murik_8 [283]

Answer: option B

Step-by-step explanation:

The circumference of a circle can be calculated with this formula:

C=2\pi r

Where "C" is the circumference of the circle and "r" is the radius of the circle.

The area of a circle can be calculated with:

A=\pi r^2

Where "r" is the radius.

Knowing the area, you can solve for the radius:

r^2=\frac{9\pi cm^2}{\pi }\\\\r=\sqrt{\frac{9\pi cm^2}{\pi } }\\\\r=3cm

Substituting into  C=2\pi r, you get that the circumference of this circle is:

 C=2\pi (3cm)=6\pi\ cm

8 0
3 years ago
Read 2 more answers
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