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2 years ago

5

Yes or no is the following a function help!

2 answers:

ira [324]2 years ago

7 0

The guy above me is correct

slamgirl [31]2 years ago

3 0

Answer:

Yes

Step-by-step explanation:

This is a function because each input has an output

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What is the radius for the circle given by the equation x^2+(y -3)^2 = 21

MatroZZZ [7]

$\bf\textit{equation of a circle}\\\\(x- h)^2+(y- k)^2= r^2\qquadcenter~~(\stackrel{}{ h},\stackrel{}{ k})\qquad \qquadradius=\stackrel{}{ r}\\\\[-0.35em]\rule{34em}{0.25pt}\\\\x^2+(y-3)^2=21\implies (x-0)^2+(y-3)^2=(\sqrt{21})^2\qquad \begin{cases}center~(0,3)\\r=\sqrt{21}\end{cases}\\\\\\r\approx 4.58257569495584000659\implies r = \stackrel{\textit{rounded up}}{4.583}$

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2 years ago

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Christian is going to invest $310 and leave it in an account for 20 years. Assuming the interest is compounded daily, what inter

Artist 52 [7]

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r=5.86%

Step-by-step explanation:

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2 years ago

What is 1x1 ande 1x2 1x3 1x4 1x5 1x6 1x7 1x8 1x9 1x10

Ann [662]

Answer:

1,2,3,4,5,6,7,8,9,10

Step-by-step explanation:

1 x 1 is always gonna be the number 1 is multiplied by

ex:

if the problem is 1 x 9 then it would be 9

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2 years ago

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How can I prove mathematically that (a / b) + (c / d) = (ad + bc) / bd

wlad13 [49]

Step-by-step explanation:

(a/b) + (c/d)

Find the common denominator. In this case, bd. So multiply the first fraction by d/d, and the second fraction by b/b.

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Add the fractions.

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2 years ago

Claire and Malia are training for a race A)Claire runs 10 km in 1 hour. How many kilometers does she run in half an hour? In 2 1

andrey2020 [161]

Answer:

A) 5km, 25km B) 2.5km, 12.5km

Step-by-step explanation:

A)Claire runs 10 km in 1 hour.

she runs 10/2=5km in 1/2 hour.

in 2 1/2, she runs 10*2 1/2=25km

B)Malia runs 5 miles in 1 hour.

she runs 5/2=2 1/2km in 1/2 hour.

in 2 1/2, she runs 5*2 1/2=12 1/2km

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2 years ago

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