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stepan [7]
3 years ago
9

you have already saved $55. you earn $9 per hour at your job. you are saving for a bicycle that cists $199. what inequality repr

esents the possible numbers of hours you need to work to buy the bicycle ?
Mathematics
2 answers:
Anon25 [30]3 years ago
6 0
(199-55)/9= t
Let t equal the number of hours you have to work
Law Incorporation [45]3 years ago
3 0
9x+55>199(Its greater than or equal too but I dont have that symbol on the phone) because you need at least 199 dollars but you could make more. You already have the 55 dollars and the x equals the amount of hours of work you would possibly have to do
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Answer:

b = 7, c = -44

Step-by-step explanation:

If the quadratic equation has the solutions -11 and 4, the two factors are:

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Since when we use the zero factor property we get

x+11=0 ⇒ x= -11

x-4=0 ⇒  x=4

Thus, we have used the zero factor property in reverse to find the factorization of the quadratic equation.

Now we develop the multiplications between parenthesis:

(x+11)(x-4)=0\\x^2-4x+11x-44=0\\x^2+7x-44=0

So b is the number that accompanies the x: b = 7

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Answer: $59313.58

Step-by-step explanation:

We know that formula we use to find the accumulated amount of the annuity ( ordinary annuity interest is compounded ) is given by :-

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rate of interest :r= 6%=0.06

No. of periods : m= 1   [∵ its annual]

Time : t= 10 years

Now we get,

FV=(4500)(\frac{(1+\frac{0.06}{1})^{1\times10})-1}{\frac{0.06}{1}})\\\\\Rightarrow\ FV=(4500)(\frac{(1.06)^{10})-1}{0.06})\\\\\Rightarrow\ FV=(4500)(\frac{0.79084769654}{0.06})\\\\\Rightarrow\ FV=(4500)(13.1807949423)\\\\\Rightarrow\ FV=59313.5772407\approx59313.58 \ \

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