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4 years ago

Two-variable inequalities from their graph: Please help me answer the question in the screenshot!

Mathematics

2 answers:

netineya [11]4 years ago

6 0

Answer:

Step-by-step explanation:

any two points on dotted line are (0,0) and (4,3)

$slope=\frac{3-0}{4-0} =3/4\\eq.~ of~ dotted~ line~ is ~y=\frac{3}{4} \\consider~the~inequality~ y$

Thepotemich [5.8K]4 years ago

4 0

Answer:

4X > 3Y

Step-by-step explanaition

The number on the x axis will always be larger than the one on the y-axis because if x is 4 y will be 3

Sorry if this is wrong

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Find the inverse of the following function.

Margarita [4]

Let f(x) be y.

y = x³ + 3

Switch x and y:

x = y³ + 3

Now you need to isolate y and you would get inverse function.

x - 3 = y³

∛(x-3) = y

Final answer: f ⁻¹(x) = ∛(x-3)

Hope this helps.

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3 years ago

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87 is 58% of what number

crimeas [40]

87 58%
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x 100% = 8700/58 = 150.862069 = 150.86

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3 years ago

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simon went to the store with a $5 bill to buy a drink. he spent of the $5 to buy a drink. select the fewest number of each bill

KATRIN_1 [288]

4 quaters 2 dollor bills 4 quaters 1 dollor

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4 years ago

At Sunrise Donuts you can buy 6 donuts and 2 kolaches for $8.84. One kolache and 4 donuts would cost $5.36. What is the price of

Lelechka [254]

Set up a system of equations like this, where "k" represents a kolache and "d" represents a donut:

$\left \{ {{6d +2k = 8.84} \atop {k+4d = 5.36}} \right.$

We're solving for d. First, we can rearrange the second equation to have it equal k:

$k + 4d = 5.36$
$k = 5.36 - 4d$

Next, we can substitute this in for k in the first equation:

$6d + 2k = 8.84$
$6d + 2(5.36 - 4d) = 8.84$
$6d + 10.72 - 8d = 8.84$

Finally, we can get the value of d if we solve this equation:

$-2d + 10.72 = 8.84$
$-2d= -1.88$
$d = 0.94$

You can buy a donut at Sunrise Donuts for $0.94.

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3 years ago

Question 12 <br> Find the volume of the sphere in terms of .<br> Help plz

Semmy [17]

Answer:

$\large\boxed{972\pi\ cm^3}$

Step-by-step explanation:

$\text{The formula of a volume of a sphere:}\\\\V=\dfrac{4}{3}\pi R^3\\\\R-radius\\\\\text{We have the diameter of the sphere.}\ D=18cm.\\\\D=2R\to R=\dfrac{18}{2}\ cm=9cm.\\\\\text{Substitute:}\\\\V=\dfrac{4}{3}\pi(9^3)=\dfrac{4}{3}\pi(729)=(4)\pi(243)=972\pi\ cm^3$

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3 years ago

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