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shutvik [7]
3 years ago
11

Sarah's age exceeds Vika’s age by 16 years. Four years ago, Sarah was twice as old as Vika was then. Find the present age of eac

h.
Mathematics
2 answers:
soldi70 [24.7K]3 years ago
8 0
The answer is vikas age is 12 and sarahs is 24
yarga [219]3 years ago
8 0

Let Sarah's present age =x

Let Vika's present age =y

Sarah's age exceeds Vika’s age by 16 years.

x=y+16..............(1)

Four years ago,

Sarah's present age =x-4

Vika's present age =y-4

Four years ago, Sarah was twice as old as Vika was then.

(x-4) =2(y-4).............(2)

Plugging the value of x from equation (1) in (2)

(y+16-4) =2(y-4)

(y+12) =2(y-4)

(y+12) =2y-8

y=20

x=y+16 =20+16 = 36

Answer:

Sarah's present age =36

Vika's present age =16



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3 years ago
Here is the question: Jamey purchased a new boat for 61014.00. She read that the value of the new boats change by -2/19 in the f
olga55 [171]

The value of Jamey's boat after the first year of purchase is <u>$54,591.47</u>.

<h3>What is a reduction in value?</h3>

The change in the value of the new boat can be described as a reduction in value, which is akin to the depreciation of the initial value.

The reduction means that the value of the boat fell after the first year of use.

The reduction or change in value and the new value after the first year can be computed as follows:

<h3>Data and Calculations:</h3>

Purchase price = $61,014

Change in value after first year = -2/19

Change in value (dollars) = $6,422.53 ($61,014 x 2/19)

Value after the first year = $54,591.47 ($61,014 - $6,422.53)

Thus, the value of Jamey's boat after the first year of purchase is <u>$54,591.47</u>.

Learn more about reduction in the value of an asset at brainly.com/question/25806993

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6 0
2 years ago
2k^2-5k-18=0 what is both of the values of k? plz help!!! 15 pts!!!
ddd [48]
To factor quadratic equations of the form ax^2+bx+c=y, you must find two values, j and k, which satisfy two conditions.

jk=ac and j+k=b

The you replace the single linear term bx with jx and kx. Finally then you factor the first pair of terms and the second pair of terms. In this problem...

2k^2-5k-18=0

2k^2+4k-9k-18=0

2k(k+2)-9(k+2)=0

(2k-9)(k+2)=0

so k=-2 and 9/2

k=(-2, 4.5)
5 0
3 years ago
Bruce's graduation picnic will cost $12 if it has 4 attendees. At most how many attendees can there be if Bruce budgets a total
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Answer:

6 peaple

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Someone please help out
exis [7]

Answer:

39+0.15m \leqslant 50

Step-by-step explanation:

From the question, Diana wants her total bill to be less than $50.

Diana pays a fixed monthly bill of

$39 for her mobile phone and an additional

$0.15 per minute for phone internet service.

The bill Diana pays for m minutes of using the internet is $0.15m in a month.

The total monthly bill becomes,

39+0.15m

The maximum bill she wants to pay is $50.

\implies39+0.15m \leqslant 50

This inequality can be solved to determine the number of available minutes.

4 0
3 years ago
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