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3 years ago

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If 8x=16y then

rac{x}{y} " align="absmiddle" class="latex-formula">
is

2 answers:

Rama09 [41]3 years ago

8 0

<em>Answer is 2</em>

<em>If 8x = 16y </em>

<em>on rearranging question,</em>

<em> x/y = 16/8 = 2</em>

Artyom0805 [142]3 years ago

5 0

Answer:

$\frac{x}{y} = 2$

Step-by-step explanation:

$8x = 16y$

Dividing both the sides by 8

$=> \frac{8x}{8} = \frac{16y}{8}$

$=> x = 2y$

Divide both the sides by 'y'.

$=> \frac{x}{y} = \frac{2y}{y}$

$=> \frac{x}{y} = 2$

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3 years ago

Write an explicit function for f(x) <br> Can anyone help me with this please I’ll mark as brainliest

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Answer:

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Step-by-step explanation:

What is meant by implicit function?

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

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3 years ago

Read 2 more answers

A rectangular piece of metal is 25 in longer than it is wide. Squares with sides 5 in long are cut from the four corners and the

Licemer1 [7]

Answer:

The original length was 41 inches and the original width was 16 inches

Step-by-step explanation:

Let

x ----> the original length of the piece of metal

y ----> the original width of the piece of metal

we know that

When squares with sides 5 in long are cut from the four corners and the flaps are folded upward to form an open box

The dimensions of the box are

$L=(x-10)\ in\\W=(y-10)\ in\\H=5\ in$

The volume of the box is equal to

$V=(x-10)(y-10)5$

$V=930\ in^3$

so

$930=(x-10)(y-10)5$

simplify

$186=(x-10)(y-10)$ -----> equation A

Remember that

The piece of metal is 25 in longer than it is wide

so

$x=y+25$ ----> equation B

substitute equation B in equation A

$186=(y+25-10)(y-10)$

solve for y

$186=(y+15)(y-10)\\186=y^2-10y+15y-150\\y^2+5y-336=0$

Solve the quadratic equation by graphing

using a graphing tool

The solution is y=16

see the attached figure

Find the value of x

$x=16+25=41$

therefore

The original length was 41 inches and the original width was 16 inches

3 0

3 years ago