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11Alexandr11 [23.1K]
3 years ago
8

5) Joy and Cullen put some money into their money boxes every week. The amount of money (y), in dollars, in their money boxes af

ter a certain amount of time (x), in weeks, is shown by the equations below: Joy: y = 30x + 20 Cullen: y = 20x + 90
a) After how many weeks will Joy and Cullen have the same amount of money in their money boxes?
b) What is that amount?
Mathematics
2 answers:
Orlov [11]3 years ago
8 0
Week 7 And the amount is 230$
You can check it by getting a Graphing Calculator and Inserting the Equations into y= And Go down the list where x=7 and the two variables are the same Number
ankoles [38]3 years ago
3 0

Answer:

The answer is D trust me i helped my friend Week 7 And the amount is 230$

Step-by-step explanation:

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0.2.5

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2.5 x 5 = 2

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walmart sells the bike he likes for 350 dollars Walmart had the bike on sell for 30% off what is the cost of the bike at Walmart
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$245

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Write the vertex form of the equation of the parabola that has a vertex of (-6,-5) and passes through the point (-8,6)
Anastaziya [24]

Answer:

Step-by-step explanation:

Find the parabola through  ( − 8 , 6 )  with vertex  ( − 6 , -5 ) .  

Standard Form:  y = − 11 /4x ²− 44 x − 170

Vertex Form:  y = − 11 /4 ( x + 8 ) 2 + 6

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7 0
3 years ago
Select the correct answer for each statement. (k+2, k+3 , k+4) or (k+10, k+12, k+14) will yield consecutive odd integers. (k+6,
almond37 [142]

Answer:

Step-by-step explanation:

one

The only really certain way of getting an odd integer is to do 2k + 1. Therefore the answer should be something like 2k+1, 2k+3, 2k + 5

The best I can do for the first one is to assume that k is odd and that the answer is k + 10, k+12, k+14, but I would ask your instructor if this is merely the best answer out of a poor lot or if the question really has no answer.

Two things should be noted.

1. k has to be odd.

2. The first choice has to give consecutive integers because what is added on is 2 3 and 4. Those numbers are consecutive.

Two

k+1, k+2, k+3. See point 2 above. k is a constant and any number. 1,2,3 are consecutive so the results are consecutive. Even if k < 0 the numbers will be consecutive.

k= - 10

k+1 = - 9

k+2 = -8

k+3 = - 7

These are consecutive.

Your first choice will give either consecutive odd or even numbers depending on what k is.

If k = even, then k+6, k+ 8, k+10 will all be even.

If k = odd then the givens will be odd.

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4 years ago
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