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3 years ago

Find an expression for the function whose graph is the given curve.

1 answer:

5 0

We can accomplish this by:

(y-3)^2=4-x^2

Now, lets take the square root of both sides:

y-3=±sqrt(4-x^2) y=±sqrt(4-x^2)+3

Now, we only need the top half or the positive half so this means that our answer is simply:

y=sqrt(4-x^2)+3

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the length of a rectangle is 4 unit less than the width. which expression represents the perimeter of the rectangle

WINSTONCH [101]

Answer:

Length: 11

Width: 5

Step-by-step explanation:

Let W = width

Let L = length

Length is 4 less than 3 times the width ==> L = 3*W - 4

Let P = Perimeter = 2*W + 2*L

Perimeter is 22 more than twice the width ==> P = 2*W + 22

Setting the 2 expressions for the perimeter equal to each other gives

2*W + 2*L = 2*W + 22

2*L = 22

L = 11

So 11 = 3*W - 4

3*W = 15

W = 5

The length is 11 and the width is 5

Check: 3*W - 4 = 11 = Length

Perimeter = 32 = 22 more than 2*5 = 10

3 0

3 years ago

Factor Completely 3x^2-31x+36 Please show steps:)

lilavasa [31]

9x-31x+36
-22+36=14 is the answer!

6 0

3 years ago

(-3,-14) and (0-9) Pls help!!!

andreyandreev [35.5K]

Answer:

y = (5/3)x - 9

Step-by-step explanation:

First, find the slope (rise over run):

m = (-9 - (-14)) / (0 - (-3)) = (-9 + 14) / (0 + 3) = 5/3

Use the point-slope form equation with the given points (-3, -14):

y + 14 = (5/3)(x + 3)

or optionally in slope intercept form:

y = (5/3)x - 9

3 0

3 years ago

What is the area of this trapezoid?

quester [9]

Answer:

20 mm²

Step-by-step explanation:

A = 1/2h(sum of bases)

= 1/2(8)(3+2)

= 4(5)

= 20 mm²

6 0

3 years ago

Read 2 more answers

A variable expression for a number q decreased by 7

Fofino [41]

Answer:+7

Step-by-step explanation:

8 0

3 years ago