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Ilia_Sergeevich [38]
3 years ago
12

Which equation produces a line that is perpendicular to the line represented by the function below? y=2/5x+9

Mathematics
1 answer:
Otrada [13]3 years ago
3 0
The line needs to have a negative and reciprocal slope
so the the equation for the line will be
y= -5/2x+9
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What is the surface area of the figure shown above
gtnhenbr [62]

Answer:

  230 cm^2

Step-by-step explanation:

The area of each parallelogram face is ...

  A = bh = (8 cm)(3 cm) = 24 cm^2

The area of the two rectangular faces shown is ...

  A = (area of top face) + (area of right side face)

  A = (8 cm)(7 cm) +(5 cm)(7 cm) = 91 cm^2

The three faces we have figured the area of are half the total area, since there are three more faces exactly the same size. Then the total area of the figure is ...

  total surface area = 2(24 cm^2 +91 cm^2) = 230 cm^2

_____

Of course, the area of a rectangle is given by A=L·W, where L and W represent the length and width of the rectangle.

7 0
3 years ago
Anybody got any answers?
musickatia [10]
Hey there!

So, what you would do is . . . 

360÷4 . . .

90÷8=11.5

Area=\boxed{\boxed{11.5}}

Hope this helps.
~Jurgen

4 0
3 years ago
Please help explanation if possible
Nookie1986 [14]

Answer:

y=-3x+5

Step-by-step explanation:

concepts: y=mx+b is slope intercept equation formula

m=slope

b= y intercept

Therefore we need to find the slope and y intercept

first find slope

m=\frac{y2-y1}{x2-x1}

let y2 be 2

let y1 be -4

let x2 be 1

let x1 be 3

\frac{2-(--4)}{1-3}

6/-2 = -3

m=-3

slope is -3

y= -3x+ b

we need find y intercept now

just plug in (1,2) into that equation

2=-3(1)+b

b=5

y=-3x+5

5 0
3 years ago
What is the value of p in the equation 13p+42=-57+2p
ira [324]

Answer:

p=-9

Step-by-step explanation:

13p+42=-57+2p

Subtract 2p from each side

13p-2p+42=-57+2p-2p

11p +42 = -57

Subtract 42 from each side

11p+42-42=-57-42

11p = -99

Divide each side by 11

11p/11 = -99/11

p = -9

6 0
3 years ago
A store sells 12-packs of ballpoint pens for $1.09 each and composition books for $2.79 each. Cindy buys m packs of ballpoint pe
Usimov [2.4K]

Answer:

.95(1.09m+2.79n)=candys bill

Step-by-step explanation:

5% off is like having 95% of the full price so .95=95%

5 0
2 years ago
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