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liq [111]
2 years ago
11

What is the slope of the line????

Mathematics
1 answer:
Lisa [10]2 years ago
5 0
Y= -4/5x -1.5

I believe this right!
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Mary’s trapezoid-shaped garden has a perimeter of 24 yd. She knows the length of three of the sides, 3 yd, 6 yd, and 9 yd.
Anna007 [38]

Answer:

6

Step-by-step explanation:

to find the perimeter of a trapezoid you add all the sides together

therefore we do it backwards

24-3-6-9=6

6 0
2 years ago
Read 2 more answers
(-1,5) (0,2) in slope intercept form
xeze [42]

Answer:

Step-by-step explanation:

(-1,5) (0,2)

y2= 2, y1 = 5, x2 = 0, x1 = -1

Slope m = [y2 - y1]/[x2 - x1]

m = {2 - 5}/{0+1}

m = -3/1

m = -3

And

y - y1 = m(x - x1)

y - 5 = -3(x + 1)

y - 5 = -3x - 3

y = -3x - 3 + 5

y = -3x + 2

7 0
3 years ago
You have been asked to design a rectangular box with a square base and an open top. The volume of the box must be 500cm3. Determ
babymother [125]

Answer:

x = 10 cm, y = 5 cm gives a minimum area of 300 cm^2.

Step-by-step explanation:

V= x^2y = 500

Surface area A = x^2 + 4xy.

From the first equation y = 500/x^2

So substituting for y in the equation for the surface area:

A = x^2 + 4x * 500/x^2

A = x^2 + 2000/x

Finding the derivative:

dA/dx = 2x - 2000x^-2

dA/dx = 2x - 2000/x^2

This = 0 for a minimum/maximum value of A, so

2x - 2000/x^2  = 0

2x^3 - 2000 = 0

x^3 = 2000/ 2 = 1000

x = 10

Second derivative is  2 + 4000/x^3

when x = 10  this is positive so x = 10 gives a minimum value of A.

So y =  500/x^2

= 500/100

= 5.

6 0
3 years ago
U = C(1 + rt) solve for t​
natita [175]

Answer:

t =  \frac{U -C }{Cr}

Step-by-step Explanation

U = C(1+rt) \\  \\  \frac{U}{C}  = (1 + rt) \\   \\  \frac{U}{C}   - 1  =  rt\\  \\ \frac{U -C }{C}   =  rt\\  \\ \huge \red{ \boxed{ t =  \frac{U -C }{Cr} }}

4 0
3 years ago
D. Vuyo and Zintle together earn R400 for a job. How much should each one be paid​
Marina CMI [18]

Answer:

200 a piece bc thats half

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3 years ago
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