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lorasvet [3.4K]
3 years ago
12

The soccer team is planning to sell health bars for a fundraiser. The prices of purchasing health bars from two different compan

ies are represented by the system of equations shown, where x is the number of bars purchased and y is the total cost in dollars. Company A: y = 0.75x. Company B: y = 10 + 0.50x. How many bars would the team need to purchase from each company in order for the total cost to be equal?
Mathematics
2 answers:
pav-90 [236]3 years ago
8 0

Answer: 40 bars


Step-by-step explanation:


Alex73 [517]3 years ago
3 0
Let the equations given for the costs for Company A and Company B be equal such that,
                                            y (A) = y (B)
                                             0.75x = 10 + 0.50x
The value of x from the given equation is 40. Thus, each team should purchase 40 health bars. 
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 <span>Formula for exponential decay is: 

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N = 1/2(45) = 22.5 

No = 45 

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The solution to your problem is as follows:

Let's try to solve the half-life if it is 45 grams, after which, you will now have an idea on how to solve the problem.

22.5 = 45 * e^(-0.1109t) 

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Given f ( x ) = 3 x 2 + k x − 13 f(x)=3x 2 +kx−13, and the remainder when f ( x ) f(x) is divided by x + 4 x+4 is 15 15, then wh
Varvara68 [4.7K]

Answer:

k=5

Step-by-step explanation:

We are provided with function, f ( x ) = 3 x^{2} + kx − 13

which is divided by x+4 gives 15.

Here,

since f(x) is divided by x+4 so we can put :

x+4 = 0

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Putting this in f(x) -----> f(-4)

f(x) = f(-4) = 3 (-4^{2}) + k(-4) − 13

f(-4) = 3(16) - 4k - 13

f (-4) = 48 - 4k - 13                ------------------------------------------Equation 1

Since, when f(x) is divided by x+4 , the remainder is 15 so we can say,

f(-4) = 15

putting in equation 1

f (-4) = 15 = 48 - 4k - 13

48 -4k - 13 = 15

35 - 4k = 15                      

35 - 15 = 4k                         (Moving - 4k on right hand side and 15 on the left)

or 20 = 4k

or 4k = 20

k = \frac{20}{4}

<h2>k = 5</h2>

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Answer:

............

Step-by-step explanation:

..

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if a mobile was sold for Rs.24408 after allowing 10% discount on the marked price and adding 13% VAT.Findthe discount amount.
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Answer:

<em>Hi</em><em>,</em><em> </em><em>there</em><em>!</em><em>!</em><em>!</em><em>!</em>

<em>See</em><em> </em><em>explanation</em><em> </em><em>in pictures</em><em>. </em>

<em>I</em><em> </em><em>hope</em><em> </em><em>it</em><em> </em><em>helps</em><em> </em><em>you</em><em>.</em><em>.</em><em>.</em>

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Step2247 [10]

15

Step-by-step explanation:

A negative number being subtracted makes it positive

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