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Rudik [331]
3 years ago
5

Two thirds of a number decreased by 27 is at least 9

Mathematics
1 answer:
11111nata11111 [884]3 years ago
3 0

Answer:

what?

Step-by-step explanation:


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JAYDEN MADE SOME CANDLES THAT EACH WEIGHS 1/2 POUND. HE SHIP THEM IN A BOX THAT WEIGHT 6 POUNDS. THE TOTAL WEIGHT OF THE BOX FIL
Ahat [919]

Answer: 12

Step-by-step explanation:

6 0
3 years ago
Triangle: solve for x
NARA [144]

Answer:

6 root two

Step-by-step explanation:

geometric mean for leg t.

24*3=x2

x2=72

x=root(72)

6 root two

if my answer helps please mark as brainliest.

6 0
3 years ago
A rectangular field on a farm is to be fenced in using the wall of the barn for one side and 200 meters of fencing for the other
vitfil [10]

Answer:

Rectangular area as a function of x :   A(x)  = 200*x  + 2*x²

A(max) = 5000 m²

Dimensions:

x = 50 m

l  = 100 m

Step-by-step explanation:

"x" is the length of the perpendicular side to the wall of the rectangular area to be fenced, and we call "l" the other side (parallel to the wall of the barn) then:

A(r) = x* l     and the perimeter of the rectangular shape is

P = 2*x + 2*l   but we won´t use any fencing material along the wll of the barn therefore

P  =  2*x + l       ⇒   200 = 2*x  + l      ⇒   l  = 200 - 2*x      (1)

And the rectangular area as a function of x is:

A(x)  = x * ( 200 - 2*x)  ⇒  A(x)  = 200*x  + 2*x²

Taking derivatives on both sides of the equation we get:

A´(x)  =  200 - 4*x     ⇒   A´= 0

Then    200 - 4*x  = 0     ⇒   4*x =  200   ⇒  x  = 50 m

We find the l value, plugging the value of x in equation (1)

l  = 200 - 2*x     ⇒ l = 200 - 2*50   ⇒  l = 100  m

A(max)  =  100*50

A(max)  = 5000 m²

3 0
3 years ago
i a man even number beetween 50 and 99 i am a multiple of 9 my tens digit is 5 more than my units digit
vodomira [7]
Hello,
multiple of 9 betheen 50 and 99 are :54,63,72,81,99
and 54,72  are even.
5-4=1 and not 5
7-2=5 ok

72 is the number searched.
6 0
3 years ago
if i I wanted to be precise, how can I express the exact circumference for the circumference given the diameter
sveticcg [70]
The formula for circumference is \pi d.

To express the circumference exactly, plug the diameter in for d and put the \pi symbol in front of it. Don't multiply. This expresses the exact circumference.

Say you have the diameter of 17.
You can express the circumference with 17\pi.
6 0
3 years ago
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