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SSSSS [86.1K]
3 years ago
7

The ratio of fish to ducks at the water's edge was 5 to 2. If there were 28 in all, how many were fish?

Mathematics
1 answer:
densk [106]3 years ago
8 0

Answer:

20 fish.

Step-by-step explanation:

Convert ratio to fraction:

There were 5 / (5 + 2) = 5/7 of fish.

So number of fish = 5/7 * 28

= 20.

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The sum of three consecutive numbers is -9 what are the numbers
zloy xaker [14]

-9/ 3= -3

-3 + -4 + -2 = -9

 the numbers are -2 , -3 , -4

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3 years ago
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Which is the graph of g(x) = ⌈x + 3⌉?
77julia77 [94]
ANSWER

\boxed {D}


EXPLANATION


The given function is,

g(x) = ⌈x + 3⌉

The parent function of this ceiling function is

g(x) = ⌈x ⌉

When this function is shifted horizontally 3 units to the left, we obtain the transformed function,

g(x) = ⌈x + 3⌉


The correct answer is option D.

See attachment.

6 0
4 years ago
Find the distance between (8,0) and (1,0)
ss7ja [257]

the distance between (8,0) and (1,0) is 7 units

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3 years ago
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Tell whether each graph is a function and justify your answer. Which graph is not a good representation of a​ real-world situati
mina [271]

Using the function concept, it is found that:

  • Graph B is a function because each value of x corresponds to exactly one y-value.

In a function, <u>one value of the input can be related to only one value of the output</u>.

  • In a graph, it means that for each value of x(horizontal axis), there can be only one respective value of y(vertical axis).

In this problem, at Graph A, when x = 5, for example a vertical line crosses the function 3 times, hence there are 3 respective values of y for x = 5, and the same is valid for other values of x, hence it is not a function.

At Graph B, <u>for each value of x, there is only one value of y</u>, hence it is a function.

Hence:

Graph B is a function because each value of x corresponds to exactly one y-value.

To learn more about the function concept, you can take a look at brainly.com/question/12463448

5 0
2 years ago
Jason knows that the equation to calculate the period of a simple pendulum is , where T is the period, L is the length of the ro
Brrunno [24]

<u>Answer-</u>

\boxed{\boxed{L=\dfrac{g}{4\pi^2 f^2}}}

<u>Solution-</u>

The equation for time period of a simple pendulum is given by,

T=2\pi \sqrt{\dfrac{L}{g}}

Where,

T = Time period,

L = Length of the rod,

g = Acceleration due to gravity.

Frequency (f) of the pendulum is the reciprocal of its period, i.e

f=\dfrac{1}{T}\ \Rightarrow T=\dfrac{1}{f}

Putting the values,

\Rightarrow \dfrac{1}{f}=2\pi \sqrt{\dfrac{L}{g}}

\Rightarrow (\dfrac{1}{f})^2=(2\pi \sqrt{\dfrac{L}{g}})^2

\Rightarrow \dfrac{1}{f^2}=4\pi^2 \dfrac{L}{g}

\Rightarrow L=\dfrac{g}{4\pi^2 f^2}

8 0
3 years ago
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