2 years ago

Please help me with math ASAP!!!

Mathematics

1 answer:

lapo4ka [179]2 years ago

8 0

Answer:

x = 12

y = 49

Step-by-step explanation:

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A fitness center runs a contest for customers who enroll in its annual membership plan. The customers are allowed to draw a coup

krek1111 [17]

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3 years ago

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S = 2d over t, solve for d

marishachu [46]

Answer:

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Step-by-step explanation:

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2 years ago

Nancy can drive her car 35 miles in one gallon of gas her gas tank can hold 12 gallons of gas how many miles can Nancy drive on

elena-s [515]

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Or
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3 years ago

Find all values of the angle θ (in radians, with 0 ≤ θ < 2π) for which the matrix a = cos θ −sin θ sin θ cos θ has real eigen

harina [27]

The matrix

$A=\begin{bmatrix}\cos\theta&-\sin\theta\\\sin\theta&\cos\theta\end{bmatrix}$

has eigenvalues $\lambda$ such that

$\det(A-\lambda I)=\begin{vmatrix}\cos\theta-\lambda&-\sin\theta\\\sin\theta&\cos\theta-\lambda\end{vmatrix}=0$

$(\cos\theta-\lambda)^2+\sin^2\theta=0$

$(\cos\theta-\lambda)^2=-\sin^2\theta$

$\cos\theta-\lambda=\pm\sqrt{-\sin^2\theta}$

$\lambda=\cos\theta\pm\sqrt{-\sin^2\theta}$

$\sin^2\theta\ge0$ for all values of $\theta$ , so we need to have $\sin\theta=0$ in order for $\lambda$ to be real-valued. This happens for

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2 years ago

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Alinara [238K]

Answer: f(x+1) =2x^2 -3x-12

Hope this helps ʕ•ᴥ•ʔ

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3 years ago