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Rufina [12.5K]
3 years ago
13

Find m-1(x) if m(x) = x+3.​

Mathematics
1 answer:
lawyer [7]3 years ago
5 0

Step-by-step explanation:

m(x) = x+3

y = x+3

=> x = y-3

m`¹(x) = x-3

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Find the midpoint of the line segment with end coordinates of:<br> (-3,-1) and (-4,2)
fgiga [73]

Answer:

(- 3.5, 0.5 )

Step-by-step explanation:

Given endpoints (x₁, y₁ ) and (x₂, y₂ ) then the midpoint is

( \frac{x_{1}+x_{2}  }{2}, \frac{y_{1}+y_{2}  }{2} )

Here (x₁, y₁ ) = (- 3, - 1) and (x₂, y₂ ) = (- 4, 2) , then

midpoint = ( \frac{-3-4}{2}, \frac{-1+2}{2} ) = ( \frac{-7}{2}, \frac{1}{2} ) = (- 3.5, 0.5 )

3 0
3 years ago
How much fabric is needed to<br><br><br>create the sail below?<br>14ft by 9 ft
olga55 [171]

Answer:

126 ft

Step-by-step explanation:

Calculate the area (length x height)

14 x 9 = 126

4 0
3 years ago
Read 2 more answers
The length of a bridge is 140 m. The length of each of Robert's paces is 55 cm.
Sindrei [870]

Answer:

255 steps

Step-by-step explanation:

They give us the length of the bridge and the length of each step of Robert, therefore we must divide these values to find the number of steps necessary, but first we must pass the distance of the bridge to centimeters:

140m * 100cm / 1m = 14000

Therefore the bridge would have a length of 14000 centimeters, we divide:

14000/55 = 254.54

Which means that Robert take at least 255 steps to fully walk the bridge.

6 0
3 years ago
Find the equation for the line that passes through the point (3,-2), and that is perpendicular to the line with the equation x =
kompoz [17]

Step-by-step explanation:

x = 2 is, as you can see, parallel to the y-axis.

perpendicular to this (= crosses the original line in an angle of 90 degrees) is then a line parallel to the x-axis.

that means y is constant. all points on that line will have the same y value.

and we know one point already : (3, -2)

so all points of the perpendicular line will have y = -2

and that is the equation of the perpendicular line :

y = -2

3 0
3 years ago
Isabella invested $1300 in an account that pays 4.5% compounded annually. Assuming no deposits or withdrawals are made , find ho
Anastaziya [24]

Answer:

$2,407.5

Step-by-step explanation:

To solve this question, we will use the formula for calculating the amount formula as shown;

A =P(1+r)^n

Given that;

P = #$1300

r = 4.5% = 0.045

t = 14years

Substitute

A = 1300(1+0.045)^14

A = 1300(1.045)^14

A = 1300(1.8519)

A = 2,407.5

Hence Isabella would have $2,407.5 in her account after 14years

5 0
3 years ago
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