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Marina86 [1]
2 years ago
10

Find the slope of the line that contains the following pair of points: (2, 4), (0, 8).

Mathematics
1 answer:
Ugo [173]2 years ago
4 0
8-4/0-2 =4/-2= -2
So it has a negative slope
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What is the slope of the line passing through (-3, 5) and (5,-3)?
Delvig [45]
-1 is the answer to your question
8 0
3 years ago
Read 2 more answers
Consider this function.<br> (r) = -3r + 3<br> Which graph represents the inverse of function ?
4vir4ik [10]

9514 1404 393

Answer:

  C.  graph Y

Step-by-step explanation:

Starting with f(r) = -3r +3, the inverse function can be found from ...

  r = f(y)

  r = -3y +3

  r -3 = -3y

  (r -3)/-3 = y

  y = -1/3r +1

The inverse function will have a slightly negative slope and a y-intercept of 1. This matches graph Y.

3 0
3 years ago
In countries that use the metric system of measurement, corn yields are sometimes expressed in quintals per hectare (q/ha) inste
Fittoniya [83]

Answer:

The answer is below

Step-by-step explanation:

Different countries have different metric system of measurement, but the metric system of measurement accepted all over the world is the international system of unit (SI unit)

1 quintal =  220.462 lbs and 1 bushel of corn = 56 lbs.

151 q/ha = (151 × 220.462) lbs/ha = 33289.762 lbs/ha

But 1 hectare = 2.471 acre, hence:

33289.762 lbs/ha = \frac{33289.762\ lbs}{1\ ha*\frac{2.471\ acre}{1 \ ha} } =13472.182\ lbs/acre

Since 1 bushel of corn = 56 lbs, hence:

13472.182\ lbs/acre=\frac{13472.182\ lbs*\frac{1\ bushels}{56\ lbs} }{acre}=240.6\ bushels/acre = 240.6 bu/ac

For a Margin of Error: +/- 1 bu/ac, the bushels per acre = (239.6 bu/ac, 241.6 bu/ac)

5 0
3 years ago
Solve each equation
Slav-nsk [51]

Answer:

b= -3

x= -2

x= -7

n = -6

Step-by-step explanation:

3b+7-1=-3

3b = -3 -7 +1

3b = -10+1

3b= -9

b = -9/3

b= -3

3x+1-6x=7

-3x = 7-1

-3x= 6

x= -6/3

x= -2

312=-6(7x-3)

312 = -6*7x +6*3

312= -42x +18

312-18= -42x

294 = -42x

x= -294/42

x= -7

-4(4n-8)=128

-4*4n +4*8 =128

-16n +32 = 128

-16n= 128-32

-16n = 96

n=-96/16

n = -6

7 0
3 years ago
Read 2 more answers
A rectangle is placed around a semicircle as shown below. The length of the rectangle is 6cm . Find the area of the shaded regio
Marina86 [1]
The shaded area is the area of the rectangle minus the area of the hemisphere.

A=(6*3)-(π3^2)/2

A=18-9π/2

A=18-4.5π, and if we approximate π≈3.14

A=18-4.5(3.14)

A=18-14.13

A=3.87 cm^2
8 0
3 years ago
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