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3 years ago

Solve please!!!!bbbbb

Mathematics

1 answer:

steposvetlana [31]3 years ago

4 0

1:1

one blue to one yellow. IT IS THAT EZ

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Pwease help me anyone. thanks :-) :-) :-) :-) :-) :-) :-) :-)!!!!

adell [148]

A)
$x+3$

b)
$x(x+3)=340\\
x^2+3x-340=0$

c)
$x(x+3)=340\\ x^2+3x-340=0\\
\Delta=3^2-4\cdot1\cdot(-340)=9+1360=1369\\\sqrt{\Delta}=37\\
x_1=\dfrac{-3-37}{2}=-20\\
x_2=\dfrac{-3+37}{2}=17$

It's 17.

3 0

3 years ago

I need some help with this calculus 1 question.

Cerrena [4.2K]

Answer:

(a) f'(1)=-4

(b) y+4x-4=0

Step-by-step explanation:

Tangent Line of a Function

Given f(x) a real differentiable function in x=a, the slope of the tangent line of the function in x=a is given by f'(x=a). Where f' is the first derivative of f.

We are given

$y=x-x^5$

The derivative is

$y'=1-5x^4$

(a) The slope of the tangent line at (1,0) is

$f'(1)=1-5\cdot 1^4=-4$

$f'(1)=-4$

(b) The equation of the tangent line can be found with the general formula of the line:

$y-y_o=m(x-x_o)$

Where m is the slope and the point (xo,yo) belongs to the line. We have m=-4, xo=1, yo=0, thus

$y-0=-4(x-1)$

Or, equivalently

$y+4x-4=0$

3 0

3 years ago

Find the volume of a cone with radius 28 and height 44.

Brut [27]

The volume formula for a cone is V = 1/3 pi r^2 h. We have everything we need to find the volume. V = 1/3 pi 28^2* 44. Doing that math and leaving it in terms of pi you have that the volume is 11,498.67 pi units cubed. If you multiply pi in, the answer would be 36,123.06 units cubed.

4 0

3 years ago

X*y = 154 difference between x and y is 3

sergiy2304 [10]

Answer:

x=51.3 and y=3 and that is equal to 154 don't forget to put a bar notation in .3 in 51.3

5 0

3 years ago

Which polygon has the most sides? decagon 20-gon nonagon dodecagon

e-lub [12.9K]

Answer:

decagon = 10

nonagon = 9

dodecagon = 12

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers