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Papessa [141]
3 years ago
14

Kyle starts a fundraiser with 43 pennies he recruits all of the player on his baseball team to participate. His goal is to tripl

e the amount of pennies everyday. Assume Kyle meets his goal each day
Use x to represent the number of days and y to represent the total amount of pennies each day
Mathematics
2 answers:
guapka [62]3 years ago
7 0

Answer:

I know this is late but hopefully this helps someone reading this in the future. the answer is y = 43(3)^x

Step-by-step explanation:

If kyle starts out with with 43, and the amount triples everyday, it would be 3 to the power of x (how many days there are), which would make that the equation. Sorry, if this explanation makes no sense.

yanalaym [24]3 years ago
5 0

Answer:

Number of Pennies that Kyle have for fundraiser project = 43 pennies

Kyle want to triple the amount of pennies everyday.

So, with the given information If ,

x = Number of days

y= Total amount of pennies each day

The equation which will be exponential , an increasing function is equal to:

y=3^x\times 43\\\\ y=43*3^x

for,x=0,1,2,3,4,.......is a whole number.

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Step-by-step explanation:

The area would be length times width. x(4x+8) =96

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x would be -6 (x+6=0)

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Ipatiy [6.2K]

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Find the other two vertices of a square with one vertex (0, 0) and another vertex (4, 2). Can you find another answer?
Margarita [4]

It is given that two vertices of square are (0,0) and (4,2).

Now the problem is that you haven't given that whether these two vertices are adjacent vertices or opposite vertices of the square.

1. By Supposing that these two are adjacent vertices of Square

The third vertex will be at (-4,2) which lies in third quadrant.

Suppose the coordinate of fourth vertex be (x,y).

Mid point of line joining (4,2) and (-4,2) is{ [4+(-4)]/2,(2+2)/2} is (0,2).

Mid point of line joining (x,y) and (0,0) is (x/2,y/2).

Since diagonals of square bisect each other,

∵ x/2=0

⇒x=0

and

y/2=2

⇒y=4

So, The Coordinate of  fourth vertex is (0,4).

Now coming back to second condition if these are two opposite vertex of Square.

Let the third coordinate be (a,b).

Length of diagonal=\sqrt{(4-0)^2+(2-0)^2}=\sqrt20=2\sqrt5

Now,let side of Square be A.

Then length of Diagonal of square =√2 A

⇒√2 A=2√5

⇒A =√10

As third vertex is (a,b).

Using distance formula

a² + b²=10  -------------(1)

(a-4)²+ (b-2)²=10  --------------(2)

Solving expression (1) and (2), we get

⇒a²+ b²=(a-4)² +(b-2)²

⇒2a + b =5

⇒b=5-2a

Putting the value of b in (1),we get

⇒a² +(5-2a)²=10

⇒a²+25+4a²-20a =10

⇒5a²-20a+15=0

⇒a² - 4a + 3=0

Splitting the middle term,we get

⇒(a-3)(a-1)=0

⇒a=3  ∧  a=1

we get b=5-2×1=3 and b=5-2×3=5-6=-1

So,the other vertex are (1,3) and(3,-1).





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Divide 4/5 by 5/8 since that would tell you how many walls he can paint in an hour.

4/5 walls÷5/8 gallons=1.28walls/gallon.

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