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lorasvet [3.4K]
3 years ago
15

The value of the ratio of adults to children is 2/5. The ratio of adults to children is _____.

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
5 0
Your answer would be B. 2:5. Hope I helped you! 
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Find the cosine and sine of 210. Round your answers to the nearest hundredth if necessary
Assoli18 [71]
The cosine is -0.88
This is rounded from <span>-0.88387747318

The sine is .48.
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8 0
3 years ago
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A car valued at £18000 at the start of 2017, depreciated in value by 5% each year for 3 years. How much did it lose in value ove
Anna11 [10]

<u>Answer:</u>

The amount lost over the 3 years s 2567.25£  

<u>Explanation:</u>

$\mathrm{F}=\mathrm{I} \times\left(1-\left(\frac{r}{100}\right)\right)^{\mathrm{n}}$

where F = final value after n years

I = initial value of the car in 2017 = £18000 (given)

Since the value is depreciated 5% every year for 3 years,

r = percentage rate of depreciation = 5% (given)

n = 3 years

Substituting these values in formula, we get

$\mathrm{F}=18000 \times\left(1-\frac{5}{100}\right)^{3}$

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Finally 18000-15432.75 = 2567.25£ is the amount lost over this period.  

6 0
3 years ago
A door has an area of 21 square feet. It is 7 feet tall. How wide is the door?
Sati [7]

Answer:

3 feet wide

Step-by-step explanation:

21/7= 3

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ALGEBRA NATION!!! NEED HELP :(
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6 0
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