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lesya692 [45]
3 years ago
12

The money used in Saudi Arabia is the Riyal.The exchange rate is 4 Riyals to 1 dollar. How many Riyals would you receive if you

exchange 5 dollars?
Mathematics
1 answer:
inysia [295]3 years ago
5 0

Answer:

20 Riyals you receive if you exchange 5 dollars .

Step-by-step explanation:

As given

The money used in Saudi Arabia is the Riyal.

The exchange rate is 4 Riyals to 1 dollar.

i.e

4 Riyals = 1 dollar.

Now calculate for 5 dollars.

5 × 4 Riyals = 5 × 1 dollars

20  Riyals = 5 dollars

Therefore 20 Riyals you receive if you exchange 5 dollars .


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What are the numbers of symmetries for this figure?
mrs_skeptik [129]

Answer:

rotational symmetry: 2

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Step-by-step explanation:

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Convert a mark of 72 out of 120 to a mark out of 300
Semmy [17]

Answer:

180 out of 300

Step-by-step explanation:

Basically,

300÷120=2.5

Thereof,

72×2.5=180.

<em>Hope this helps!</em>

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5 0
2 years ago
❓❗❓❗PLEASE HELP ASAP❓❗❓❗
e-lub [12.9K]
12 is the answer hope it help
6 0
2 years ago
The function f(x) = One-sixth (two-fifths) Superscript x is reflected across the y-axis to create the function g(x). Which order
Gekata [30.6K]

The ordered pair (-3 , \frac{4}{375} ) is on g(x) ⇒ 1st answer

Step-by-step explanation:

Let us revise the reflection across the axes

  • If the function f(x) reflected across the x-axis, then its image is g(x) = - f(x)  (change the sign of y)
  • If the function f(x) reflected across the y-axis, then its image is g(x) = f(-x)  (change the sign of x)

∵ f(x)=\frac{1}{6}(\frac{2}{5})^{x}

∵ f(x) is reflected across the y-axis to create the function g(x)

- Change the sign of x

∴ g(x)=\frac{1}{6}(\frac{2}{5})^{-x}

To find the point that lies on g(x) substitute x in g(x) by the x-coordinate of the point if the answer equal to the y-coordinate of the point, then the point lies on it if not then the point does not lie on it

∵ The coordinates of the point are (-3 , \frac{4}{375} )

∴ x = -3 and y = \frac{4}{375}

- Substitute x by -3 in g(x)

∵ g(x)=\frac{1}{6}(\frac{2}{5})^{-x}

∴ g(x)=\frac{1}{6}(\frac{2}{5})^{-(-3)}

∴ g(x)=\frac{1}{6}(\frac{2}{5})^{3}

∵ (\frac{2}{5})^{3}=\frac{2^{3}}{5^{3}}=\frac{8}{125}

∴ g(x)=\frac{1}{6}(\frac{8}{125})

∴ g(x)=\frac{8}{750}

- Divide up and down by 2

∴ g(x)=\frac{4}{375}

∵ The value of g(x) equal to the y-coordinate of the point

∴ The point (-3 , \frac{4}{375} ) lies on g(x)

The ordered pair (-3 , \frac{4}{375} ) is on g(x)

Learn more:

You can learn more about the reflection in brainly.com/question/5017530

#LearnwithBrainly

9 0
3 years ago
Read 2 more answers
Which method is valid for proving that two circles are similar?
tatuchka [14]

'a',  'c', and  'd'  are true for any two circles.  That's because
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is weird.


4 0
3 years ago
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