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3 years ago

Anwser this pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeee

Mathematics

1 answer:

DanielleElmas [232]3 years ago

8 0

Answer:

alot

Step-by-step explanation:

im in foot ball so this is easy there is at least 5 ways

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I am bored, answer with the BEST answer and I will make you brainliest............

Arada [10]

If it took you (one person) 3 days to build a doghouse, then it should take 2 people to build it in half the time. So all we have to do is split 3 days in 2.

3/2 = 1.5
So it would take 1 1/2 days or 36 hours for 2 people to complete the doghouse.

3 0

3 years ago

What is the answer to -7/24 - (-5/8)? Show work please...

Nitella [24]

Answer -7/24 - (-5/8) = 1/3

8 0

3 years ago

Read 2 more answers

Please see attachment

Dafna11 [192]

Answer:

a) The value of absolute minimum value = - 0.3536

b) which is attained at $x = \frac{1}{\sqrt{2} }$

Step-by-step explanation:

Step(i):-

Given function

$f(x) = \frac{-x}{2x^{2} +1}$ ...(i)

Differentiating equation (i) with respective to 'x'

$f^{l} = \frac{2x^{2} +1(-1) - (-x) (4x)}{(2x^{2}+1)^{2} }$ ...(ii)

$f^{l}(x) = \frac{2x^{2}-1}{(2x^{2}+1)^{2} }$

Equating Zero

$f^{l}(x) = \frac{2x^{2}-1}{(2x^{2}+1)^{2} } = 0$

$\frac{2x^{2}-1}{(2x^{2}+1)^{2} } = 0$

$2 x^{2}-1 = 0$

$2 x^{2} = 1$

$x^{2} = \frac{1}{2}$

$x = \frac{-1}{\sqrt{2} } , x = \frac{1}{\sqrt{2} }$

Step(ii):-

Again Differentiating equation (ii) with respective to 'x'

$f^{ll}(x) = \frac{(2x^{2} +1)^{2} (4x) - 2(2x^{2} +1) (4x)(2x^{2}-1) }{(2x^{2}+1)^{4} }$

put

$x = \frac{1}{\sqrt{2} }$

$f^{ll} (x) > 0$

The absolute minimum value at $x = \frac{1}{\sqrt{2} }$

Step(iii):-

The value of absolute minimum value

$f(x) = \frac{-x}{2x^{2} +1}$

$f(\frac{1}{\sqrt{2} } ) = \frac{-\frac{1}{\sqrt{2} } }{2(\frac{1}{\sqrt{2} } )^{2} +1}$

on calculation we get

The value of absolute minimum value = - 0.3536

Final answer:-

a) The value of absolute minimum value = - 0.3536

b) which is attained at $x = \frac{1}{\sqrt{2} }$

3 0

2 years ago

Sally is selling two types of seashells by the seashore. She is selling large and small shells. She sells small shells for 2 dol

Ostrovityanka [42]

Answer:

The answer is A

Step-by-step explanation:

If you plug in the numbers it looks like this:

(A) 5(2) + 10(5) = 60

(B) 10(2) + 5(5) = 45

(D) 8(2) + 7(5)

so a is the only one that equals 60

4 0

3 years ago

Triangle ABC has vertices A(2,3), B(8,3), C(5,8). show that the triangle is isosceles

Archy [21]

The coordinates match up, as B has 3 and A also has the coordinate 3. This means they are in the line and are isosceles

6 0

2 years ago