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3 years ago

What is the domain of y = log5x?

Mathematics

1 answer:

Inga [223]3 years ago

8 0

(0, positive infinity)

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Q sorry if I am wrong

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What is the value of u ?

shtirl [24]

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Step-by-step explanation:

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2 years ago

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EXPLAIN THE ERROR Cody was given two points (1/2,4) and (2/3,1), on a line and asked to create a linear equation in standard for

inessss [21]

Answer:

Cody made a mistake when calculating the slope of the line and this affected every other steps after than.

She divided -3 by 6 instead of -3 by 1/6

Step-by-step explanation:

Given

$(x_1,y_1) = (\frac{1}{2},4)$

$(x_2,y_2) = (\frac{2}{3},1)$

<em>See attached for steps</em>

Required

Explain Cody's error

<em>Cody made a mistake when calculating the slope of the line and this affected every other steps after than.</em>

See Proof

Slope (m) is calculated as thus:

$m =\frac{y_2 - y_1}{x_2 - x_1}$

$m =\frac{1 - 4}{\frac{2}{3} - \frac{1}{2}}$

$m =-\frac{ 3}{\frac{1}{6}}$

$m = -3/\frac{1}{6}$

$m = -3 * 6$

$m = -18$

This is in contrast to $m = -\frac{1}{2}$ , calculated by Cody

Solving further to determine the equation.

$y - y_1 = m(x - x_1)$

Where

$(x_1,y_1) = (\frac{1}{2},4)$

$m = -18$

$y - 4 = -18(x - \frac{1}{2})$

$y - 4 = -18x + 9$

Collect Like Terms

$y + 18x = 9 + 4$

$y + 18x = 13$

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2 years ago

Which expression has value of 15 when = 12?

frosja888 [35]

Answer:

I think its 3p not sure but u can try that

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2 years ago

Jonathan is filling his fish tank with water. The tank is a rectangular prism with a height of 14 inches, width of 12 inches, an

dem82 [27]

Answer:

7056m3

Step-by-step explanation:

To find the volume of a rectangle you have to multiply length by the width by the height.

42×12×14=7056m3

m3= metres cubed

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2 years ago