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3 years ago

I need help with this question

Mathematics

1 answer:

MAVERICK [17]3 years ago

4 0

I understand, what's your question?

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If y varies inversely as x and y=23 when x=8 find y when x=4

valina [46]

<h2>INVERSE VARIATION</h2>

EQUATION: 

$y = \frac{k}{x}$

––––––––

First, find the constant of variation k using the formula k=xy.

$23 = \frac{k}{8}$

$k = (8)(23)$

$k = 184$

––––––––

Then, find y if x is equal to four using the formula y=184/x.

$y = \frac{184}{x}$

$y = \frac{184}{4}$

$y = 46$

Final Answer:

5 0

3 years ago

Pls answer this! I need to pass!

KengaRu [80]

Answer:

Step-by-step explanation:

6 0

3 years ago

6+6+75millllllliioooon

Mice21 [21]

Answer:

75,000,012

Step-by-step explanation:

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3 years ago

Find the value of x in the isosceles triangle shown below

levacccp [35]

Answer:

x=10

Step-by-step explanation:

$\frac{x}{2}=\sqrt{13^2-12^2} \\x=2\sqrt{169-144} \\x=2\sqrt{25} \\x=2 \times 5=10$

4 0

3 years ago

Arrange the functions in ascending order, starting with the function that eventually has the least value and ending with the fun

netineya [11]

Answer:

3x < 4x < 3x + 8 < 4x + 3 < x² < x² + 6

Step-by-step explanation:

This is because as x → ∞

3x → 3∞ ,

Also, as x → ∞

4x → 4∞ ,

Also, as x → ∞

3x + 8 → 3∞ + 8,

Also, as x → ∞

4x + 3 → 4∞ + 3 ,

Also, as x → ∞

x² → ∞²,

Also, as x → ∞

x² + 6 → ∞² + 6

and 3∞ < 4∞ < 3∞ + 8 < 4∞ + 3 < ∞² < ∞² + 6

Thus as x → ∞

3x < 4x < 3x + 8 < 4x + 3 < x² < x² + 6 in ascending order

8 0

3 years ago