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telo118 [61]
3 years ago
6

What is the multiplicative inverse of -26/7​

Mathematics
2 answers:
Ksivusya [100]3 years ago
7 0

Answer:

the answer is 15

Step-by-step explanation:

when b=4,a=15.Therefore,15 is the inverse of 7 modulo of 26.

Romashka [77]3 years ago
4 0

multiplicative inverse of -26/7 is -7/26

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4vir4ik [10]

Answer:

\large\boxed{y-5=-4(x-3)}\\\boxed{y-8=\dfrac{1}{2}(x+1)}

Step-by-step explanation:

The point-slope form of an equation of a line:

y-y_1=m(x-x_1)

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m=-4,\ (3,\ 5)\\\\y-5=-4(x-3)

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If sin(θ -π/2) = 0.73.. find cos (-θ) plz explain how to solve
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Answer:

cos(-\theta) = -0.73

Step-by-step explanation:

It is given that:

sin(\theta -\dfrac{\pi}{2}) = 0.73

<u>Formula to be used:</u>

1.\ sin(-x) = -sinx\\2.\ sin(\dfrac{\pi}{2}-x) = cosx\\3.\ cos(-x) = cosx

Using Formula (1) written above:

\Rightarrow sin (\theta - \dfrac{\pi}{2})=sin(-(\dfrac{\pi}{2}-\theta ))\\\Rightarrow -sin(\dfrac{\pi}{2}-\theta)

Now, using Formula (2) written above:

\Rightarrow -sin(\dfrac{\pi}{2}-\theta) = -cos \theta

So, we can say that:

sin(\theta -\dfrac{\pi}{2}) = -cos\theta = 0.73 ...... (1)

We have to find the value of cos(-\theta).

Using Formula (3) written above:

cos(-\theta) = cos\theta

So, ultimately we need to find the value of cos\theta

Using equation (1):

-cos\theta = 0.73\\\Rightarrow cos\theta = -0.73

So, the answer is cos(-\theta) = -0.73.

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Answer:

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