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3 years ago

14

Is this correspondence a function?

1 answer:

Afina-wow [57]3 years ago

4 0

I’m not sure, sorry if I’m wrong but I’d say yes .

Explanation: A function is a correspondence between two sets where each element in the first set, called the domain, corresponds to exactly one element in the second set, called the range.
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A village fete has a children’s running race each year, run in heats of up to ten children. For each heat the first three contes

bekas [8.4K]

Answer: 1) 1/3,654 2) 3/406 3) 72,684,900,288,000 4) 120

<u>Step-by-step explanation:</u>

1) First and Second and Third

$\dfrac{3\ total\ prizes}{29\ total\ people}\times \dfrac{2\ remaining\ prizes}{28\ remaining\ people}\times \dfrac{1\ remaining\ prize}{27\ remaining\ people}=\dfrac{6}{21,924}\\\\\\.\qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \quad =\large\boxed{\dfrac{1}{3,654}}$

2) First and Second

$\dfrac{3\ total\ prizes}{29\ total\ people}\times \dfrac{2\ remaining\ prizes}{28\ remaining\ people}=\dfrac{6}{812}=\large\boxed{\dfrac{13}{406}}$

$3)\quad \dfrac{29!}{(29-10)!}=\large\boxed{72,684,900,288,000}$

$4)\quad _{10}C_3=\dfrac{10!}{3!(10-3)!}=\large\boxed{120}$

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3 years ago

Write an expression equal to 11³

NikAS [45]

Answer:

11x11x11=11³

Step-by-step explanation:

11 to the third means 11 times itself 3 times

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3 years ago

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Use technology to approximate the solution(s) to the system of equations to the nearest tenth of a unit.

charle [14.2K]

Answer:

(2.5, -1)

(-2.5, 1)

(-1, 2.5)

Step-by-step explanation:

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3 years ago

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B Write the coordinate of T after a dilation with a scale factor of 1/4 centered at the origin. 1 10 T х -10 0 S U 10 Write your

Vanyuwa [196]

Answer:

(4, 4)

Step-by-step explanation:

Coordinates of a point (x, y) after dilation with a scale factor k,

Rule to be followed,

(x, y) → k(x, y)

→ (kx, ky)

Coordinates of point T are (8, 8).

Dilation of the point T after dilation with a scale factor of $\frac{1}{4}$ will be,

(8, 8) → $\frac{1}{2}(8, 8)$

→ (4, 4)

Therefore, coordinates of the image point B' will be (4, 4).

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3 years ago

Rewrite log: 512 = 3 into exponential

Julli [10]

I think your answer is D) i am not 100% sure tho.

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3 years ago