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devlian [24]
2 years ago
11

The prices of a bike and T.V are in the ratio 2:3. If the bike costs 8000A.E.D. Find the price of T.V

Mathematics
1 answer:
Mrrafil [7]2 years ago
4 0

Answer:

Assuming that AED is the currency:

Step-by-step explanation:

The question notes that if the TV is 3 the bike would be 2.

8000*1.5 = 12000

Answer would be 12000 AED, because you multiply the bike by 3/2

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An electric company charges a certain rate per kilowatt-hour (kWh) of electricity used and an administrative fee of $3.50. The c
Triss [41]

Answer:

Variable r represents the slope of the equation.

Step-by-step explanation:

Given that the administrative fees that company charge is $3.50.

Also, the Zhao has a bill of $63.25.

The equation used by Zhao is

63.25=r(800)+3.50

We can compare the equation of a line in the slope-intercept form.

y=mx+c

We can see the y-intercept is $3.50 that is a fixed cost. And the company charged $63.25 that is the dependent variable.

Also, variable r that is the rate per kilowatt-hour (kWh) represents the slope of the equation.

4 0
3 years ago
Which function represents g(x), a reflection of f(x) = 6(one-third) Superscript x across the y-axis?
Rasek [7]

The function g(x)=6(3)^{x} represents a reflection of f(x)=6(\frac{1}{3})^{x} across the y-axis ⇒ 3rd 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)
  • If the function f(x) reflected across the y-axis, then its image is g(x) = f(-x)

∵ f(x)=6(\frac{1}{3})^{x}

∵ g(x) is the image of f(x) after reflection across the y-axis

- From the rule above reflection across the y-axis changes the sign of x

∴ g(x)=6(\frac{1}{3})^{-x}

∵ (a)^{-n}=(\frac{1}{a})^{n}

∵ (\frac{1}{a})^{-n}=(a)^{n}

∴ (\frac{1}{3})^{-x}=(3)^{x}

∴ g(x)=6(3)^{x}

The function g(x)=6(3)^{x} represents a reflection of f(x)=6(\frac{1}{3})^{x} across the y-axis

Learn more:

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

#LearnwithBrainly

7 0
3 years ago
Read 2 more answers
9. The ratio of boys to girls in Mrs. Reeves's class is 4 to 5. There are 20 girls in the
xxTIMURxx [149]

Answer:

boys : girls

4 : 5

multiply by 4

16 : 20

<u>total = 36</u>

3 0
3 years ago
Read 2 more answers
Evaluate the function at the given value,
bekas [8.4K]

Answer:

f(-3)=7

Step-by-step explanation:

just plug in -3

7 0
3 years ago
**PLEASE ANSWER TO HELP ME UNDERSTAND**
Anuta_ua [19.1K]

Answer:

1)  -120, -240, -360

2) 24 oz

Step-by-step explanation:

1) 24 * 5 = 120 , 24 * 10 = 240, 24 * 15 =360

5 years will be -120, 10 years will be -240, 15 years will be -360

2) 8 * 3 = 24 oz

I hope this helped, please mark Brainliest, thank you!!

5 0
3 years ago
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