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3 years ago

5

Plz help me! ASAP! Thanks!

1 answer:

Oksana_A [137]3 years ago

6 0

First, we add 25w on both sides to give us a positive expression for w:
$600 \geqslant 200 + 25w$
Next, minus 200 from both sides to isolate the expression for w:
$400 \geqslant 25w$
Now we divide by 25 on both sides to obtain the inequality for w:
$16 \geqslant w$
So
$w \leqslant 16$

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sweet-ann [11.9K]

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6 0

3 years ago

Determine whether the equation defines y as a function of x.<br> x+y=9 and x^2+y^2=1 and x=y^2

Murrr4er [49]

Answer:

Function: $x+y=9$

Not Function: $x^2+y^2=1$ and $x=y^2$

Step-by-step explanation:

Given

$x+y=9$

$x^2+y^2=1$

$x=y^2$

Required

Determine if $y$ is a function of $x$

Solving x+y=9

$x+y=9$

Make y the subject of formula

$y = 9 - x$

<em>Hence; y is a function of x</em>

Solving $x^2+y^2=1$

$x^2+y^2=1$

Subtract x² from both sides

$y^2=1 - x^2$

Square root of both sides

$y =\± \sqrt{1 - x^2}$

This implies that

$y =\sqrt{1 - x^2}$ or $y =-\sqrt{1 - x^2}$

<em>Because </em> $y$ <em> can be any of those two expressions, it is not a function.</em>

Solving $x=y^2$

$x=y^2$

Reorder

$y^2 = x$

Take square roots

$y = \±\sqrt{x}$

This implies that

$y = \sqrt{x}$ or $y = -\sqrt{x}$

<em>Because </em> $y$ <em> can be any of those two expressions, it is not a function.</em>

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3 years ago

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Hatshy [7]

Answer:

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Step-by-step explanation:

5 0

4 years ago

Please help what is the answer if you put a link you will get reported

Zigmanuir [339]

Answer:

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6 0

3 years ago

What is the slope of the line represented by the equation 10×+5y=4<br>a.2<br>b.1/2<br>c.-1/2<br>d.-2

VikaD [51]

Equation: 10x + 5y = 4
5y = -10x + 4

Divide the equation by 5,
y = -2x + 4/5

Now Compare it with, y = mx + c
Here,m = -2

In short, Your Answer would be Option D

Hope this helps!

6 0

4 years ago