3 years ago

Graph the line with the equation y=-1÷5×-3

Mathematics

1 answer:

Olenka [21]3 years ago

3 0

Answer:

Step-by-step explanation:

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Value of x in 2x-7=35 is

Reika [66]

Answer:

x=21

Step-by-step explanation:

2x - 7 = 35

+7 +7

-----------------

2x = 42

----- -----

2 2

x = 21

The answer is 21, hope this helps.

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Help math question derivative!

atroni [7]

Let $f(x)=\sec^{-1}x$ . Then $\sec f(x)=x$ , and differentiating both sides with respect to $x$ gives

$(\sec f(x))'=\sec f(x)\tan f(x)\,f'(x)=1$
$f'(x)=\dfrac1{\sec f(x)\tan f(x)}$

Now, when $x=\sqrt2$ , you get

$(\sec^{-1})'(\sqrt2)=f'(\sqrt2)=\dfrac1{\sec\left(\sec^{-1}\sqrt2\right)\tan\left(\sec^{-1}\sqrt2\right)}$

You have $\sec^{-1}\sqrt2=\dfrac\pi4$ , so $\sec\left(\sec^{-1}\sqrt2\right)=\sqrt2$ and $\tan\left(\sec^{-1}\sqrt2\right)=1$ . So $(\sec^{-1})'(\sqrt2)=\dfrac1{\sqrt2\times1}=\dfrac1{\sqrt2}$

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3 years ago

Brainliest question Please help me now plz

V125BC [204]

Side a = 10.98991
Side b = 11.69522
Side c = 4

Angle ∠A = 70° = 1.22173 rad = 7/18π
Angle ∠B = 90° = 1.5708 rad = π/2
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3 years ago

Find the zeros of the function. Write the smaller solution first, and the larger solution second.

Mama L [17]

It is the correct
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3 years ago

NEED ASAP please!!!!!

stepan [7]

I think it's 1/4 that's my answer

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