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2 years ago

Please help me with this homework

Mathematics

2 answers:

Pachacha [2.7K]2 years ago

3 0

Yes i think sorry if im wrong

slava [35]2 years ago

3 0

ANSWER:
True/Yes

EXPLANTION:
A function only works when one input (x) is paired with only one output (y). One the table each input is paired with only one output so that makes it a true/yes.

FUN FACT:
A function can still work when the output is paired with more then one input, but cannot work if the input is paired with more then one output.

I hoped this helped and have a great day ;:)

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Answer:

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Step-by-step explanation:

We have this function and let's derive it in terms of x.

y =x^2/In x

Dy/Dx=(x^2/In x)'=2/lnx *(x^2)'-(x^2/In x)'=> 2 x *ln ( x ) − x *ln ^2 ( x ) =x ( 2 ln ( x ) − 1 )/ ln ^2 ( x)

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2 years ago

A bracelet is exactly 6.97 cm across from one side to the other, through the center. What is the approximate area of the bracele

Vadim26 [7]

Answer:

≈ 38.14 cm²

Step-by-step explanation:

Diameter of circle= 6.97 cm

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Area = πr² = πd²/4 =
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3 years ago

5 1/6 divided by 2 5/12= 2 4/29 true or false

Alex_Xolod [135]

5 1/6 divided by 2 5/12 is 2 4/29 so it is true

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2 years ago

A short necklace has 32 gold beads and 8 black beads.

joja [24]

Answer:

12 black beads

Step-by-step explanation:

Given the ration of gold beads to black beads on the short necklace:

$\frac{gold}{black}=\frac{32}{8}=\frac{4}{1}$

Since the ratio of 4:1 has 5 total parts, you can take the total amount of beads in the long necklace and divide by 5:

60 ÷ 5 = 12

12 beads represents 1 part of the ratio, so that would be the number of black beads. To check, multiply 12 by 4: 12 x 4 = 48, and set up a ratio:

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2 years ago

A solid right pyramid has a square base with an edge length of x cm and a height of y cm. Which expression represents the volume

solniwko [45]

Answer:

Thus, volume of pyramid = $\frac{1}{3}x^2y$ cm³

Step-by-step explanation:

Given: A solid right pyramid has a square base with an edge length of x cm and a height of y cm.

We have to choose from the given options an expression for the volume of the pyramid.

Volume of pyramid = $\frac{1}{3}\times Area\ of\ base \times height$

Since base is a square with edge length x cm.

Area of square = (side)² = x²

Thus, volume of pyramid = $\frac{1}{3}x^2y$ cm³

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2 years ago

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