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3 years ago

Marty’s herb garden is 9/ 10 of a yard wide and 0.85 inches long. Which is greater, the width or length?

Mathematics

1 answer:

aivan3 [116]3 years ago

4 0

Answer:

9/10= yard wide

Step-by-step explanation:

i am doing the that assinmant

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alexandr1967 [171]

3/1200= 1/400=0.0025 chance of getting pulled, so unlikely

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3 years ago

What is the equation of the parabola with focus (-1,-1) and directrix y=1?

Inessa05 [86]

Answer:

Step-by-step explanation:

Given focus as (h,k) and directrix as y = mx + b, the equation of a parabola is given as:

$\frac{(y - mx - b)^2}{m^2 +1}=(x - h)^2 + (y - k)^2$

Hence, from the given focus & directrix, we have:

h = -1

k = -1

m = 0

b = 1

We can plug them into the formula and arrange to get:

$\frac{(y - mx - b)^2}{m^2 +1}=(x - h)^2 + (y - k)^2\\\frac{(y - (0)x - 1)^2}{0^2 +1}=(x - (-1))^2 + (y - (-1))^2\\\frac{(y-1)^2}{1}=(x+1)^2+(y+1)^2\\y^2-2y+1=x^2+2x+1+y^2+2y+1\\-2y-2y=x^2+2x+1\\-4y=x^2+2x+1\\y=-\frac{1}{4}x^2-\frac{1}{2}x-\frac{1}{4}$

B is the correct answer.

8 0

3 years ago

Pls help me- will provide brainliest

kenny6666 [7]

Answer:

$f(x) = 5 \tan(x + \frac{\pi}{2} )$ (third option)

Step-by-step explanation:

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5 0

3 years ago

Value of y varies directly with x.

Rufina [12.5K]

Step-by-step explanation:

if x=1 , y =3

if x=4 then y=3×4=12

y=12

8 0

3 years ago

A negative number is 12 less than it’s square.find the number

butalik [34]

Answer:

A negative number that is 12 less than its square is -3.

Step-by-step explanation:

This is because (-3)² = 9 and 9 - 12 = -3.

You can get this answer by testing different number until one works in the given situation. This is done by testing numbers by squaring them and then subtracting 12 to see if it equals the original number.

3 0

3 years ago