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Vesnalui [34]
3 years ago
9

your bank balance is 515.50. if you write a check to buy a watch, your balance would be 496.11. how much dose the watch cost ? w

rit a linear equation on that models the situation
Mathematics
1 answer:
grin007 [14]3 years ago
5 0
<h2>Hello!</h2>

The answer is:

WatchCost=StartingBalance-EndingBalance\\\\WatchCost=515.50-496.11=19.39

The cost of the watch is $19.39.

<h2>Why?</h2>

To solve the problem, we can create a linear equation using the given information about the starting balance and the ending balance.

We know that the starting balance was $515.50, and then, after writing a check to buy the watch, the balance was $496.11, so, writing the function we have:

WatchCost=StartingBalance-EndingBalance\\\\WatchCost=515.50-496.11=19.39

Hence, we have that the cost of the watch is $19.39.

Have a nice day!

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a student throws a baseball with a speed of 8m/s and a kenetic energy of 25J.what is the mass of the baseball
Sophie [7]
KE = 0.5mv^2

25 = 0.5 x m x 8^2

25 = 0.5 x m x 64

25 / 32 = m

Hope this helps! Sorry if it’s not right
5 0
3 years ago
A circle is centered at the point (-7, -1) and passes through the point (8, 7). The radius of the circle is units. The point (-1
padilas [110]

 

hello :<span>
<span>an equation of the circle Center at the A(a,b) and ridus : r is :
(x-a)² +(y-b)² = r²
in this exercice : a = -7  and b = -1 (Center at: A(-7,-1) )
r = AP.... P(8,7)
r² = (AP)²
r² = (8+7)² +(7+1)² =225+64=289 ...... so : r = 17
an equation of the circle that satisfies the stated conditions.
Center at  </span></span>A(-7,-1), passing through P(8, 7) is :  

(x+7)² +(y+1)² = 289

The point (-15,y ) <span>lies on this circle : (-15+7)² +(y+1)² = 289....(subsct : x= -15)
(y+1)² = 225
(y+1)² = 15²
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8 0
3 years ago
Joey wants to collect 20 coins from foreign countries. If he has 3 coins so far, what percent of his collection is complete?
irinina [24]

Answer:

17%

Step-by-step explanation:

I think you maybe have to subtract

8 0
3 years ago
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Pam has a home-based business making and selling scented soaps. She initially spent $75 to purchase soap-making equipment, and t
3241004551 [841]

Answer: Hence, 25 kilograms she will manage to purchase and sell atleast.

Step-by-step explanation:

Let the number of each kilogram of soap be x

Amount she spent to purchase soap making equipment = $75

Amount she spent to purchase the material for each kilogram of soap = $15

So, total expenditure will be

15\times x+75\\\\=15x+75

now, Rate at which she sells the soap per kilogram = $18

so, Total earning will be

18x

According to question,

15x+75=18x\\\\75=18x-15x\\\\75=3x\\\\x=\frac{75}{3}\\\\x=25

So, the total cost of Pam's will be

15x+75\\\\=15\times 25+75\\\\=375+75\\\\=\$450

Total sales will be

18x\\\\=18\times 25\\\\=\$450

Hence, 25 kilograms she will manage.


4 0
4 years ago
Can someone help me with both I will mark u brilliant
OLEGan [10]

Answer: 22

Step-by-step explanation:

Add everything together (264) and divide by 12 the amount of numbers there are to find the mean or the average

7 0
3 years ago
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